v0.14.1 version bump + updated changelog

Add missing dunder method  - __ne__ to the class GridFSProxy class

.gitignore

@@ -15,3 +15,6 @@ env/
 .pydevproject
 tests/test_bugfix.py
 htmlcov/
+venv
+venv3
+scratchpad

.install_mongodb_on_travis.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+sudo apt-get remove mongodb-org-server
+sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
+
+if [ "$MONGODB" = "2.4" ]; then
+    echo "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" | sudo tee /etc/apt/sources.list.d/mongodb.list
+    sudo apt-get update
+    sudo apt-get install mongodb-10gen=2.4.14
+    sudo service mongodb start
+elif [ "$MONGODB" = "2.6" ]; then
+    echo "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" | sudo tee /etc/apt/sources.list.d/mongodb.list
+    sudo apt-get update
+    sudo apt-get install mongodb-org-server=2.6.12
+    # service should be started automatically
+elif [ "$MONGODB" = "3.0" ]; then
+    echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb.list
+    sudo apt-get update
+    sudo apt-get install mongodb-org-server=3.0.14
+    # service should be started automatically
+else
+    echo "Invalid MongoDB version, expected 2.4, 2.6, or 3.0."
+    exit 1
+fi;
+
+mkdir db
+1>db/logs mongod --dbpath=db &

.landscape.yml

@@ -0,0 +1,22 @@
+pylint:
+    disable:
+        # We use this a lot (e.g. via document._meta)
+        - protected-access
+
+    options:
+        additional-builtins:
+            # add xrange and long as valid built-ins. In Python 3, xrange is
+            # translated into range and long is translated into int via 2to3 (see
+            # "use_2to3" in setup.py). This should be removed when we drop Python
+            # 2 support (which probably won't happen any time soon).
+            - xrange
+            - long
+
+pyflakes:
+    disable:
+        # undefined variables are already covered by pylint (and exclude
+        # xrange & long)
+        - F821
+
+ignore-paths:
+    - benchmark.py

.travis.yml

@@ -1,50 +1,107 @@
-# http://travis-ci.org/#!/MongoEngine/mongoengine
+# For full coverage, we'd have to test all supported Python, MongoDB, and
+# PyMongo combinations. However, that would result in an overly long build
+# with a very large number of jobs, hence we only test a subset of all the
+# combinations:
+# * MongoDB v2.4 & v3.0 are only tested against Python v2.7 & v3.5.
+# * MongoDB v2.4 is tested against PyMongo v2.7 & v3.x.
+# * MongoDB v3.0 is tested against PyMongo v3.x.
+# * MongoDB v2.6 is currently the "main" version tested against Python v2.7,
+#   v3.5, PyPy & PyPy3, and PyMongo v2.7, v2.8 & v3.x.
+#
+# Reminder: Update README.rst if you change MongoDB versions we test.
+
 language: python
+
 python:
-    - "2.6"
+- 2.7
-    - "2.7"
+- 3.5
-    - "3.2"
+- 3.6
-    - "3.3"
+- pypy
-    - "3.4"
+
-    - "pypy"
-    - "pypy3"
 env:
-  - PYMONGO=dev DJANGO=dev
+- MONGODB=2.6 PYMONGO=2.7
-  - PYMONGO=dev DJANGO=1.6.5
+- MONGODB=2.6 PYMONGO=2.8
-  - PYMONGO=dev DJANGO=1.5.8
+- MONGODB=2.6 PYMONGO=3.0
-  - PYMONGO=2.7.1 DJANGO=dev
-  - PYMONGO=2.7.1 DJANGO=1.6.5
-  - PYMONGO=2.7.1 DJANGO=1.5.8
 
 matrix:
-    exclude:
+  # Finish the build as soon as one job fails
-        - python: "2.6"
-          env: PYMONGO=dev DJANGO=dev
-        - python: "2.6"
-          env: PYMONGO=2.7.1 DJANGO=dev
   fast_finish: true
 
+  include:
+  - python: 2.7
+    env: MONGODB=2.4 PYMONGO=2.7
+  - python: 2.7
+    env: MONGODB=2.4 PYMONGO=3.0
+  - python: 2.7
+    env: MONGODB=3.0 PYMONGO=3.0
+  - python: 3.5
+    env: MONGODB=2.4 PYMONGO=2.7
+  - python: 3.5
+    env: MONGODB=2.4 PYMONGO=3.0
+  - python: 3.5
+    env: MONGODB=3.0 PYMONGO=3.0
+  - python: 3.6
+    env: MONGODB=2.4 PYMONGO=3.0
+  - python: 3.6
+    env: MONGODB=3.0 PYMONGO=3.0
+
 before_install:
-  - "travis_retry sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10"
+- bash .install_mongodb_on_travis.sh
-  - "echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list"
+- sleep 15  # https://docs.travis-ci.com/user/database-setup/#MongoDB-does-not-immediately-accept-connections
-  - "travis_retry sudo apt-get update"
+- mongo --eval 'db.version();'
-  - "travis_retry sudo apt-get install mongodb-org-server"
 
 install:
-    - sudo apt-get install python-dev python3-dev libopenjpeg-dev zlib1g-dev libjpeg-turbo8-dev libtiff4-dev libjpeg8-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.5-dev tk8.5-dev python-tk
+- sudo apt-get install python-dev python3-dev libopenjpeg-dev zlib1g-dev libjpeg-turbo8-dev
-    - if [[ $PYMONGO == 'dev' ]]; then travis_retry pip install https://github.com/mongodb/mongo-python-driver/tarball/master; true; fi
+  libtiff4-dev libjpeg8-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.5-dev tk8.5-dev
-    - if [[ $PYMONGO != 'dev' ]]; then travis_retry pip install pymongo==$PYMONGO; true; fi
+  python-tk
-    - if [[ $DJANGO == 'dev' ]]; then travis_retry pip install https://www.djangoproject.com/download/1.7c2/tarball/; fi
+- travis_retry pip install --upgrade pip
-    - if [[ $DJANGO != 'dev' ]]; then travis_retry pip install Django==$DJANGO; fi
+- travis_retry pip install coveralls
-    - travis_retry pip install https://pypi.python.org/packages/source/p/python-dateutil/python-dateutil-2.1.tar.gz#md5=1534bb15cf311f07afaa3aacba1c028b
+- travis_retry pip install flake8 flake8-import-order
-    - travis_retry python setup.py install
+- travis_retry pip install tox>=1.9
+- travis_retry pip install "virtualenv<14.0.0"  # virtualenv>=14.0.0 has dropped Python 3.2 support (and pypy3 is based on py32)
+- travis_retry tox -e $(echo py$TRAVIS_PYTHON_VERSION-mg$PYMONGO | tr -d . | sed -e 's/pypypy/pypy/') -- -e test
+
+# Cache dependencies installed via pip
+cache: pip
+
+# Run flake8 for py27
+before_script:
+- if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then flake8 .; else echo "flake8 only runs on py27"; fi
 
 script:
-    - travis_retry python setup.py test
+- tox -e $(echo py$TRAVIS_PYTHON_VERSION-mg$PYMONGO | tr -d . | sed -e 's/pypypy/pypy/') -- --with-coverage
-    - if [[ $TRAVIS_PYTHON_VERSION == '3.'* ]]; then 2to3 . -w; fi;
+
-    - python benchmark.py
+# For now only submit coveralls for Python v2.7. Python v3.x currently shows
+# 0% coverage. That's caused by 'use_2to3', which builds the py3-compatible
+# code in a separate dir and runs tests on that.
+after_success:
+- if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then coveralls --verbose; fi
+
 notifications:
-  irc: "irc.freenode.org#mongoengine"
+  irc: irc.freenode.org#mongoengine
+
+# Only run builds on the master branch and GitHub releases (tagged as vX.Y.Z)
 branches:
   only:
   - master
+  - /^v.*$/
+
+# Whenever a new release is created via GitHub, publish it on PyPI.
+deploy:
+  provider: pypi
+  user: the_drow
+  password:
+    secure: QMyatmWBnC6ZN3XLW2+fTBDU4LQcp1m/LjR2/0uamyeUzWKdlOoh/Wx5elOgLwt/8N9ppdPeG83ose1jOz69l5G0MUMjv8n/RIcMFSpCT59tGYqn3kh55b0cIZXFT9ar+5cxlif6a5rS72IHm5li7QQyxexJIII6Uxp0kpvUmek=
+
+  # create a source distribution and a pure python wheel for faster installs
+  distributions: "sdist bdist_wheel"
+
+  # only deploy on tagged commits (aka GitHub releases) and only for the
+  # parent repo's builds running Python 2.7 along with PyMongo v3.0 (we run
+  # Travis against many different Python and PyMongo versions and we don't
+  # want the deploy to occur multiple times).
+  on:
+    tags: true
+    repo: MongoEngine/mongoengine
+    condition: "$PYMONGO = 3.0"
+    python: 2.7

AUTHORS

@@ -12,7 +12,7 @@ Laine Herron https://github.com/LaineHerron
 
 CONTRIBUTORS
 
-Dervived from the git logs, inevitably incomplete but all of whom and others
+Derived from the git logs, inevitably incomplete but all of whom and others
 have submitted patches, reported bugs and generally helped make MongoEngine
 that much better:
 
@@ -119,7 +119,7 @@ that much better:
  * Anton Kolechkin
  * Sergey Nikitin
  * psychogenic
- * Stefan Wójcik
+ * Stefan Wójcik (https://github.com/wojcikstefan)
  * dimonb
  * Garry Polley
  * James Slagle
@@ -138,7 +138,6 @@ that much better:
  * hellysmile
  * Jaepil Jeong
  * Daniil Sharou
- * Stefan Wójcik
  * Pete Campton
  * Martyn Smith
  * Marcelo Anton
@@ -206,3 +205,43 @@ that much better:
  * Clay McClure (https://github.com/claymation)
  * Bruno Rocha (https://github.com/rochacbruno)
  * Norberto Leite (https://github.com/nleite)
+ * Bob Cribbs (https://github.com/bocribbz)
+ * Jay Shirley (https://github.com/jshirley)
+ * David Bordeynik (https://github.com/DavidBord)
+ * Axel Haustant (https://github.com/noirbizarre)
+ * David Czarnecki (https://github.com/czarneckid)
+ * Vyacheslav Murashkin (https://github.com/a4tunado)
+ * André Ericson https://github.com/aericson)
+ * Mikhail Moshnogorsky (https://github.com/mikhailmoshnogorsky)
+ * Diego Berrocal (https://github.com/cestdiego)
+ * Matthew Ellison (https://github.com/seglberg)
+ * Jimmy Shen (https://github.com/jimmyshen)
+ * J. Fernando Sánchez (https://github.com/balkian)
+ * Michael Chase (https://github.com/rxsegrxup)
+ * Eremeev Danil (https://github.com/elephanter)
+ * Catstyle Lee (https://github.com/Catstyle)
+ * Kiryl Yermakou (https://github.com/rma4ok)
+ * Matthieu Rigal (https://github.com/MRigal)
+ * Charanpal Dhanjal (https://github.com/charanpald)
+ * Emmanuel Leblond (https://github.com/touilleMan)
+ * Breeze.Kay (https://github.com/9nix00)
+ * Vicki Donchenko (https://github.com/kivistein)
+ * Emile Caron (https://github.com/emilecaron)
+ * Amit Lichtenberg (https://github.com/amitlicht)
+ * Gang Li (https://github.com/iici-gli)
+ * Lars Butler (https://github.com/larsbutler)
+ * George Macon (https://github.com/gmacon)
+ * Ashley Whetter (https://github.com/AWhetter)
+ * Paul-Armand Verhaegen (https://github.com/paularmand)
+ * Steven Rossiter (https://github.com/BeardedSteve)
+ * Luo Peng (https://github.com/RussellLuo)
+ * Bryan Bennett (https://github.com/bbenne10)
+ * Gilb's Gilb's (https://github.com/gilbsgilbs)
+ * Joshua Nedrud (https://github.com/Neurostack)
+ * Shu Shen (https://github.com/shushen)
+ * xiaost7 (https://github.com/xiaost7)
+ * Victor Varvaryuk
+ * Stanislav Kaledin (https://github.com/sallyruthstruik)
+ * Dmitry Yantsen (https://github.com/mrTable)
+ * Renjianxin (https://github.com/Davidrjx)
+ * Erdenezul Batmunkh (https://github.com/erdenezul)

CONTRIBUTING.rst

@@ -20,7 +20,7 @@ post to the `user group <http://groups.google.com/group/mongoengine-users>`
 Supported Interpreters
 ----------------------
 
-MongoEngine supports CPython 2.6 and newer. Language
+MongoEngine supports CPython 2.7 and newer. Language
 features not supported by all interpreters can not be used.
 Please also ensure that your code is properly converted by
 `2to3 <http://docs.python.org/library/2to3.html>`_ for Python 3 support.
@@ -29,23 +29,39 @@ Style Guide
 -----------
 
 MongoEngine aims to follow `PEP8 <http://www.python.org/dev/peps/pep-0008/>`_
-including 4 space indents and 79 character line limits.
+including 4 space indents. When possible we try to stick to 79 character line
+limits. However, screens got bigger and an ORM has a strong focus on
+readability and if it can help, we accept 119 as maximum line length, in a
+similar way as `django does
+<https://docs.djangoproject.com/en/dev/internals/contributing/writing-code/coding-style/#python-style>`_
 
 Testing
 -------
 
 All tests are run on `Travis <http://travis-ci.org/MongoEngine/mongoengine>`_
-and any pull requests are automatically tested by Travis. Any pull requests
+and any pull requests are automatically tested. Any pull requests without
-without tests will take longer to be integrated and might be refused.
+tests will take longer to be integrated and might be refused.
+
+You may also submit a simple failing test as a pull request if you don't know
+how to fix it, it will be easier for other people to work on it and it may get
+fixed faster.
 
 General Guidelines
 ------------------
 
 - Avoid backward breaking changes if at all possible.
+- If you *have* to introduce a breaking change, make it very clear in your
+  pull request's description. Also, describe how users of this package
+  should adapt to the breaking change in docs/upgrade.rst.
 - Write inline documentation for new classes and methods.
 - Write tests and make sure they pass (make sure you have a mongod
-  running on the default port, then execute ``python setup.py test``
+  running on the default port, then execute ``python setup.py nosetests``
   from the cmd line to run the test suite).
+- Ensure tests pass on all supported Python, PyMongo, and MongoDB versions.
+  You can test various Python and PyMongo versions locally by executing
+  ``tox``. For different MongoDB versions, you can rely on our automated
+  Travis tests.
+- Add enhancements or problematic bug fixes to docs/changelog.rst.
 - Add yourself to AUTHORS :)
 
 Documentation
@@ -59,3 +75,8 @@ just make your changes to the inline documentation of the appropriate
 branch and submit a `pull request <https://help.github.com/articles/using-pull-requests>`_.
 You might also use the github `Edit <https://github.com/blog/844-forking-with-the-edit-button>`_
 button.
+
+If you want to test your documentation changes locally, you need to install
+the ``sphinx`` and ``sphinx_rtd_theme`` packages. Once these are installed,
+go to the ``docs`` directory, run ``make html`` and inspect the updated docs
+by running ``open _build/html/index.html``.

README.rst

@@ -4,55 +4,72 @@ MongoEngine
 :Info: MongoEngine is an ORM-like layer on top of PyMongo.
 :Repository: https://github.com/MongoEngine/mongoengine
 :Author: Harry Marr (http://github.com/hmarr)
-:Maintainer: Ross Lawley (http://github.com/rozza)
+:Maintainer: Stefan Wójcik (http://github.com/wojcikstefan)
 
-.. image:: https://secure.travis-ci.org/MongoEngine/mongoengine.png?branch=master
+.. image:: https://travis-ci.org/MongoEngine/mongoengine.svg?branch=master
-  :target: http://travis-ci.org/MongoEngine/mongoengine
+  :target: https://travis-ci.org/MongoEngine/mongoengine
 
-.. image:: https://coveralls.io/repos/MongoEngine/mongoengine/badge.png?branch=master 
+.. image:: https://coveralls.io/repos/github/MongoEngine/mongoengine/badge.svg?branch=master
-  :target: https://coveralls.io/r/MongoEngine/mongoengine?branch=master
+  :target: https://coveralls.io/github/MongoEngine/mongoengine?branch=master
 
-.. image:: https://landscape.io/github/MongoEngine/mongoengine/master/landscape.png
+.. image:: https://landscape.io/github/MongoEngine/mongoengine/master/landscape.svg?style=flat
   :target: https://landscape.io/github/MongoEngine/mongoengine/master
   :alt: Code Health
 
 About
 =====
 MongoEngine is a Python Object-Document Mapper for working with MongoDB.
-Documentation available at http://mongoengine-odm.rtfd.org - there is currently
+Documentation is available at https://mongoengine-odm.readthedocs.io - there
-a `tutorial <http://readthedocs.org/docs/mongoengine-odm/en/latest/tutorial.html>`_, a `user guide
+is currently a `tutorial <https://mongoengine-odm.readthedocs.io/tutorial.html>`_,
-<https://mongoengine-odm.readthedocs.org/en/latest/guide/index.html>`_ and an `API reference
+a `user guide <https://mongoengine-odm.readthedocs.io/guide/index.html>`_, and
-<http://readthedocs.org/docs/mongoengine-odm/en/latest/apireference.html>`_.
+an `API reference <https://mongoengine-odm.readthedocs.io/apireference.html>`_.
+
+Supported MongoDB Versions
+==========================
+MongoEngine is currently tested against MongoDB v2.4, v2.6, and v3.0. Future
+versions should be supported as well, but aren't actively tested at the moment.
+Make sure to open an issue or submit a pull request if you experience any
+problems with MongoDB v3.2+.
 
 Installation
 ============
-If you have `setuptools <http://peak.telecommunity.com/DevCenter/setuptools>`_
+We recommend the use of `virtualenv <https://virtualenv.pypa.io/>`_ and of
-you can use ``easy_install -U mongoengine``. Otherwise, you can download the
+`pip <https://pip.pypa.io/>`_. You can then use ``pip install -U mongoengine``.
+You may also have `setuptools <http://peak.telecommunity.com/DevCenter/setuptools>`_
+and thus you can use ``easy_install -U mongoengine``. Otherwise, you can download the
 source from `GitHub <http://github.com/MongoEngine/mongoengine>`_ and run ``python
 setup.py install``.
 
 Dependencies
 ============
-- pymongo>=2.7.1
+All of the dependencies can easily be installed via `pip <https://pip.pypa.io/>`_.
-- sphinx (optional - for documentation generation)
+At the very least, you'll need these two packages to use MongoEngine:
+
+- pymongo>=2.7.1
+- six>=1.10.0
+
+If you utilize a ``DateTimeField``, you might also use a more flexible date parser:
 
-Optional Dependencies
----------------------
-- **Django Integration:** Django>=1.4.0 for Python 2.x or PyPy and Django>=1.5.0 for Python 3.x
-- **Image Fields**: Pillow>=2.0.0 or PIL (not recommended since MongoEngine is tested with Pillow)
 - dateutil>=2.1.0
 
-.. note
+If you need to use an ``ImageField`` or ``ImageGridFsProxy``:
-   MongoEngine always runs it's test suite against the latest patch version of each dependecy. e.g.: Django 1.6.5
+
+- Pillow>=2.0.0
 
 Examples
 ========
-Some simple examples of what MongoEngine code looks like::
+Some simple examples of what MongoEngine code looks like:
+
+.. code :: python
+
+    from mongoengine import *
+    connect('mydb')
 
     class BlogPost(Document):
         title = StringField(required=True, max_length=200)
-        posted = DateTimeField(default=datetime.datetime.now)
+        posted = DateTimeField(default=datetime.datetime.utcnow)
         tags = ListField(StringField(max_length=50))
+        meta = {'allow_inheritance': True}
 
     class TextPost(BlogPost):
         content = StringField(required=True)
@@ -80,23 +97,46 @@ Some simple examples of what MongoEngine code looks like::
     ...     print
     ...
 
-    >>> len(BlogPost.objects)
+    # Count all blog posts and its subtypes
+    >>> BlogPost.objects.count()
     2
-    >>> len(HtmlPost.objects)
+    >>> TextPost.objects.count()
     1
-    >>> len(LinkPost.objects)
+    >>> LinkPost.objects.count()
     1
 
-    # Find tagged posts
+    # Count tagged posts
-    >>> len(BlogPost.objects(tags='mongoengine'))
+    >>> BlogPost.objects(tags='mongoengine').count()
     2
-    >>> len(BlogPost.objects(tags='mongodb'))
+    >>> BlogPost.objects(tags='mongodb').count()
     1
 
 Tests
 =====
 To run the test suite, ensure you are running a local instance of MongoDB on
-the standard port, and run: ``python setup.py test``.
+the standard port and have ``nose`` installed. Then, run ``python setup.py nosetests``.
+
+To run the test suite on every supported Python and PyMongo version, you can
+use ``tox``. You'll need to make sure you have each supported Python version
+installed in your environment and then:
+
+.. code-block:: shell
+
+    # Install tox
+    $ pip install tox
+    # Run the test suites
+    $ tox
+
+If you wish to run a subset of tests, use the nosetests convention:
+
+.. code-block:: shell
+
+    # Run all the tests in a particular test file
+    $ python setup.py nosetests --tests tests/fields/fields.py
+    # Run only particular test class in that file
+    $ python setup.py nosetests --tests tests/fields/fields.py:FieldTest
+    # Use the -s option if you want to print some debug statements or use pdb
+    $ python setup.py nosetests --tests tests/fields/fields.py:FieldTest -s
 
 Community
 =========
@@ -104,8 +144,7 @@ Community
   <http://groups.google.com/group/mongoengine-users>`_
 - `MongoEngine Developers mailing list
   <http://groups.google.com/group/mongoengine-dev>`_
-- `#mongoengine IRC channel <http://webchat.freenode.net/?channels=mongoengine>`_
 
 Contributing
 ============
-We welcome contributions! see  the `Contribution guidelines <https://github.com/MongoEngine/mongoengine/blob/master/CONTRIBUTING.rst>`_
+We welcome contributions! See the `Contribution guidelines <https://github.com/MongoEngine/mongoengine/blob/master/CONTRIBUTING.rst>`_

benchmark.py

@@ -1,118 +1,41 @@
 #!/usr/bin/env python
 
+"""
+Simple benchmark comparing PyMongo and MongoEngine.
+
+Sample run on a mid 2015 MacBook Pro (commit b282511):
+
+Benchmarking...
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries - Pymongo
+2.58979988098
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries - Pymongo write_concern={"w": 0}
+1.26657605171
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries - MongoEngine
+8.4351580143
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries without continual assign - MongoEngine
+7.20191693306
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries - MongoEngine - write_concern={"w": 0}, cascade = True
+6.31104588509
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries - MongoEngine, write_concern={"w": 0}, validate=False, cascade=True
+6.07083487511
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries - MongoEngine, write_concern={"w": 0}, validate=False
+5.97704291344
+----------------------------------------------------------------------------------------------------
+Creating 10000 dictionaries - MongoEngine, force_insert=True, write_concern={"w": 0}, validate=False
+5.9111430645
+"""
+
 import timeit
 
 
-def cprofile_main():
-    from pymongo import Connection
-    connection = Connection()
-    connection.drop_database('timeit_test')
-    connection.disconnect()
-
-    from mongoengine import Document, DictField, connect
-    connect("timeit_test")
-
-    class Noddy(Document):
-        fields = DictField()
-
-    for i in range(1):
-        noddy = Noddy()
-        for j in range(20):
-            noddy.fields["key" + str(j)] = "value " + str(j)
-        noddy.save()
-
-
 def main():
-    """
-    0.4 Performance Figures ...
-
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - Pymongo
-    3.86744189262
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine
-    6.23374891281
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False
-    5.33027005196
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False, cascade=False
-    pass - No Cascade
-
-    0.5.X
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - Pymongo
-    3.89597702026
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine
-    21.7735359669
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False
-    19.8670389652
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False, cascade=False
-    pass - No Cascade
-
-    0.6.X
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - Pymongo
-    3.81559205055
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine
-    10.0446798801
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False
-    9.51354718208
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False, cascade=False
-    9.02567505836
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, force=True
-    8.44933390617
-
-    0.7.X
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - Pymongo
-    3.78801012039
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine
-    9.73050498962
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False
-    8.33456707001
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, safe=False, validate=False, cascade=False
-    8.37778115273
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, force=True
-    8.36906409264
-    0.8.X
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - Pymongo
-    3.69964408875
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - Pymongo write_concern={"w": 0}
-    3.5526599884
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine
-    7.00959801674
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries without continual assign - MongoEngine
-    5.60943293571
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine - write_concern={"w": 0}, cascade=True
-    6.715102911
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, write_concern={"w": 0}, validate=False, cascade=True
-    5.50644683838
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, write_concern={"w": 0}, validate=False
-    4.69851183891
-    ----------------------------------------------------------------------------------------------------
-    Creating 10000 dictionaries - MongoEngine, force_insert=True, write_concern={"w": 0}, validate=False
-    4.68946313858
-    ----------------------------------------------------------------------------------------------------
-    """
     print("Benchmarking...")
 
     setup = """
@@ -131,7 +54,7 @@ noddy = db.noddy
 for i in range(10000):
     example = {'fields': {}}
     for j in range(20):
-        example['fields']["key"+str(j)] = "value "+str(j)
+        example['fields']['key' + str(j)] = 'value ' + str(j)
 
     noddy.save(example)
 
@@ -146,9 +69,10 @@ myNoddys = noddy.find()
 
     stmt = """
 from pymongo import MongoClient
+from pymongo.write_concern import WriteConcern
 connection = MongoClient()
 
-db = connection.timeit_test
+db = connection.get_database('timeit_test', write_concern=WriteConcern(w=0))
 noddy = db.noddy
 
 for i in range(10000):
@@ -156,7 +80,7 @@ for i in range(10000):
     for j in range(20):
         example['fields']["key"+str(j)] = "value "+str(j)
 
-    noddy.save(example, write_concern={"w": 0})
+    noddy.save(example)
 
 myNoddys = noddy.find()
 [n for n in myNoddys] # iterate
@@ -171,10 +95,10 @@ myNoddys = noddy.find()
 from pymongo import MongoClient
 connection = MongoClient()
 connection.drop_database('timeit_test')
-connection.disconnect()
+connection.close()
 
 from mongoengine import Document, DictField, connect
-connect("timeit_test")
+connect('timeit_test')
 
 class Noddy(Document):
     fields = DictField()

docs/_themes/sphinx_rtd_theme/__init__.py

@@ -1,17 +0,0 @@
-"""Sphinx ReadTheDocs theme.
-
-From https://github.com/ryan-roemer/sphinx-bootstrap-theme.
-
-"""
-import os
-
-VERSION = (0, 1, 5)
-
-__version__ = ".".join(str(v) for v in VERSION)
-__version_full__ = __version__
-
-
-def get_html_theme_path():
-    """Return list of HTML theme paths."""
-    cur_dir = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
-    return cur_dir

docs/_themes/sphinx_rtd_theme/breadcrumbs.html

@@ -1,15 +0,0 @@
-<ul class="wy-breadcrumbs">
-  <li><a href="{{ pathto(master_doc) }}">Docs</a> &raquo;</li>
-  <li><a href="">{{ title }}</a></li>
-    <li class="wy-breadcrumbs-aside">
-      {% if display_github %}
-        <a href="https://github.com/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}.rst" class="icon icon-github"> Edit on GitHub</a>
-      {% elif display_bitbucket %}
-        <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}.rst'" class="icon icon-bitbucket"> Edit on Bitbucket</a>
-      {% elif show_source and has_source and sourcename %}
-        <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
-      {% endif %}
-    </li>
-</ul>
-<hr/>
-

docs/_themes/sphinx_rtd_theme/footer.html

@@ -1,30 +0,0 @@
-<footer>
-  {% if next or prev %}
-    <div class="rst-footer-buttons">
-      {% if next %}
-        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}"/>Next <span class="icon icon-circle-arrow-right"></span></a>
-      {% endif %}
-      {% if prev %}
-        <a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}"><span class="icon icon-circle-arrow-left"></span> Previous</a>
-      {% endif %}
-    </div>
-  {% endif %}
-
-  <hr/>
-
-  <p>
-  {%- if show_copyright %}
-    {%- if hasdoc('copyright') %}
-      {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
-    {%- else %}
-      {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
-    {%- endif %}
-  {%- endif %}
-
-  {%- if last_updated %}
-    {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
-  {%- endif %}
-  </p>
-
-  {% trans %}<a href="https://www.github.com/snide/sphinx_rtd_theme">Sphinx theme</a> provided by <a href="http://readthedocs.org">Read the Docs</a>{% endtrans %}
-</footer>

docs/_themes/sphinx_rtd_theme/layout.html

@@ -1,142 +0,0 @@
-{# TEMPLATE VAR SETTINGS #}
-{%- set url_root = pathto('', 1) %}
-{%- if url_root == '#' %}{% set url_root = '' %}{% endif %}
-{%- if not embedded and docstitle %}
-  {%- set titlesuffix = " — "|safe + docstitle|e %}
-{%- else %}
-  {%- set titlesuffix = "" %}
-{%- endif %}
-
-<!DOCTYPE html>
-<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
-<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
-<head>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  {% block htmltitle %}
-  <title>{{ title|striptags|e }}{{ titlesuffix }}</title>
-  {% endblock %}
-
-  {# FAVICON #}
-  {% if favicon %}
-    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
-  {% endif %}
-  {# CANONICAL #}
-  {%- if theme_canonical_url %}
-    <link rel="canonical" href="{{ theme_canonical_url }}{{ pagename }}.html"/>
-  {%- endif %}
-
-  {# CSS #}
-  <link href='https://fonts.googleapis.com/css?family=Lato:400,700|Roboto+Slab:400,700|Inconsolata:400,700' rel='stylesheet' type='text/css'>
-
-  {# JS #}
-  {% if not embedded %}
-
-    <script type="text/javascript">
-      var DOCUMENTATION_OPTIONS = {
-        URL_ROOT:'{{ url_root }}',
-        VERSION:'{{ release|e }}',
-        COLLAPSE_INDEX:false,
-        FILE_SUFFIX:'{{ '' if no_search_suffix else file_suffix }}',
-        HAS_SOURCE:  {{ has_source|lower }}
-      };
-    </script>
-    {%- for scriptfile in script_files %}
-      <script type="text/javascript" src="{{ pathto(scriptfile, 1) }}"></script>
-    {%- endfor %}
-
-    {% if use_opensearch %}
-      <link rel="search" type="application/opensearchdescription+xml" title="{% trans docstitle=docstitle|e %}Search within {{ docstitle }}{% endtrans %}" href="{{ pathto('_static/opensearch.xml', 1) }}"/>
-    {% endif %}
-
-  {% endif %}
-
-  {# RTD hosts these file themselves, so just load on non RTD builds #}
-  {% if not READTHEDOCS %}
-    <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
-    <script type="text/javascript" src="_static/js/theme.js"></script>
-  {% endif %}
-
-  {% for cssfile in css_files %}
-    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
-  {% endfor %}
-
-  {%- block linktags %}
-    {%- if hasdoc('about') %}
-        <link rel="author" title="{{ _('About these documents') }}"
-              href="{{ pathto('about') }}"/>
-    {%- endif %}
-    {%- if hasdoc('genindex') %}
-        <link rel="index" title="{{ _('Index') }}"
-              href="{{ pathto('genindex') }}"/>
-    {%- endif %}
-    {%- if hasdoc('search') %}
-        <link rel="search" title="{{ _('Search') }}" href="{{ pathto('search') }}"/>
-    {%- endif %}
-    {%- if hasdoc('copyright') %}
-        <link rel="copyright" title="{{ _('Copyright') }}" href="{{ pathto('copyright') }}"/>
-    {%- endif %}
-    <link rel="top" title="{{ docstitle|e }}" href="{{ pathto('index') }}"/>
-    {%- if parents %}
-        <link rel="up" title="{{ parents[-1].title|striptags|e }}" href="{{ parents[-1].link|e }}"/>
-    {%- endif %}
-    {%- if next %}
-        <link rel="next" title="{{ next.title|striptags|e }}" href="{{ next.link|e }}"/>
-    {%- endif %}
-    {%- if prev %}
-        <link rel="prev" title="{{ prev.title|striptags|e }}" href="{{ prev.link|e }}"/>
-    {%- endif %}
-  {%- endblock %}
-  {%- block extrahead %} {% endblock %}
-
-  <script src="//cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
-
-</head>
-
-<body class="wy-body-for-nav">
-
-  <div class="wy-grid-for-nav">
-
-    {# SIDE NAV, TOGGLES ON MOBILE #}
-    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
-      <div class="wy-side-nav-search">
-        <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}</a>
-        {% include "searchbox.html" %}
-      </div>
-
-      <div class="wy-menu wy-menu-vertical" data-spy="affix">
-        {% set toctree = toctree(maxdepth=2, collapse=False, includehidden=True) %}
-        {% if toctree %}
-            {{ toctree }}
-        {% else %}
-            <!-- Local TOC -->
-            <div class="local-toc">{{ toc }}</div>
-        {% endif %}
-      </div>
-      &nbsp;
-    </nav>
-
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      {# MOBILE NAV, TRIGGLES SIDE NAV ON TOGGLE #}
-      <nav class="wy-nav-top">
-        <i data-toggle="wy-nav-top" class="icon icon-reorder"></i>
-        <a href="{{ pathto(master_doc) }}">{{ project }}</a>
-      </nav>
-
-
-      {# PAGE CONTENT #}
-      <div class="wy-nav-content">
-        <div class="rst-content">
-          {% include "breadcrumbs.html" %}
-          {% block body %}{% endblock %}
-          {% include "footer.html" %}
-        </div>
-      </div>
-
-    </section>
-
-  </div>
-  {% include "versions.html" %}
-</body>
-</html>

docs/_themes/sphinx_rtd_theme/layout_old.html

@@ -1,205 +0,0 @@
-{#
-    basic/layout.html
-    ~~~~~~~~~~~~~~~~~
-
-    Master layout template for Sphinx themes.
-
-    :copyright: Copyright 2007-2013 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-#}
-{%- block doctype -%}
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-{%- endblock %}
-{%- set reldelim1 = reldelim1 is not defined and ' &raquo;' or reldelim1 %}
-{%- set reldelim2 = reldelim2 is not defined and ' |' or reldelim2 %}
-{%- set render_sidebar = (not embedded) and (not theme_nosidebar|tobool) and
-                         (sidebars != []) %}
-{%- set url_root = pathto('', 1) %}
-{# XXX necessary? #}
-{%- if url_root == '#' %}{% set url_root = '' %}{% endif %}
-{%- if not embedded and docstitle %}
-  {%- set titlesuffix = " &mdash; "|safe + docstitle|e %}
-{%- else %}
-  {%- set titlesuffix = "" %}
-{%- endif %}
-
-{%- macro relbar() %}
-    <div class="related">
-      <h3>{{ _('Navigation') }}</h3>
-      <ul>
-        {%- for rellink in rellinks %}
-        <li class="right" {% if loop.first %}style="margin-right: 10px"{% endif %}>
-          <a href="{{ pathto(rellink[0]) }}" title="{{ rellink[1]|striptags|e }}"
-             {{ accesskey(rellink[2]) }}>{{ rellink[3] }}</a>
-          {%- if not loop.first %}{{ reldelim2 }}{% endif %}</li>
-        {%- endfor %}
-        {%- block rootrellink %}
-        <li><a href="{{ pathto(master_doc) }}">{{ shorttitle|e }}</a>{{ reldelim1 }}</li>
-        {%- endblock %}
-        {%- for parent in parents %}
-          <li><a href="{{ parent.link|e }}" {% if loop.last %}{{ accesskey("U") }}{% endif %}>{{ parent.title }}</a>{{ reldelim1 }}</li>
-        {%- endfor %}
-        {%- block relbaritems %} {% endblock %}
-      </ul>
-    </div>
-{%- endmacro %}
-
-{%- macro sidebar() %}
-      {%- if render_sidebar %}
-      <div class="sphinxsidebar">
-        <div class="sphinxsidebarwrapper">
-          {%- block sidebarlogo %}
-          {%- if logo %}
-            <p class="logo"><a href="{{ pathto(master_doc) }}">
-              <img class="logo" src="{{ pathto('_static/' + logo, 1) }}" alt="Logo"/>
-            </a></p>
-          {%- endif %}
-          {%- endblock %}
-          {%- if sidebars != None %}
-            {#- new style sidebar: explicitly include/exclude templates #}
-            {%- for sidebartemplate in sidebars %}
-            {%- include sidebartemplate %}
-            {%- endfor %}
-          {%- else %}
-            {#- old style sidebars: using blocks -- should be deprecated #}
-            {%- block sidebartoc %}
-            {%- include "localtoc.html" %}
-            {%- endblock %}
-            {%- block sidebarrel %}
-            {%- include "relations.html" %}
-            {%- endblock %}
-            {%- block sidebarsourcelink %}
-            {%- include "sourcelink.html" %}
-            {%- endblock %}
-            {%- if customsidebar %}
-            {%- include customsidebar %}
-            {%- endif %}
-            {%- block sidebarsearch %}
-            {%- include "searchbox.html" %}
-            {%- endblock %}
-          {%- endif %}
-        </div>
-      </div>
-      {%- endif %}
-{%- endmacro %}
-
-{%- macro script() %}
-    <script type="text/javascript">
-      var DOCUMENTATION_OPTIONS = {
-        URL_ROOT:    '{{ url_root }}',
-        VERSION:     '{{ release|e }}',
-        COLLAPSE_INDEX: false,
-        FILE_SUFFIX: '{{ '' if no_search_suffix else file_suffix }}',
-        HAS_SOURCE:  {{ has_source|lower }}
-      };
-    </script>
-    {%- for scriptfile in script_files %}
-    <script type="text/javascript" src="{{ pathto(scriptfile, 1) }}"></script>
-    {%- endfor %}
-{%- endmacro %}
-
-{%- macro css() %}
-    <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
-    <link rel="stylesheet" href="{{ pathto('_static/pygments.css', 1) }}" type="text/css" />
-    {%- for cssfile in css_files %}
-    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
-    {%- endfor %}
-{%- endmacro %}
-
-<html xmlns="http://www.w3.org/1999/xhtml">
-  <head>
-    <meta http-equiv="Content-Type" content="text/html; charset={{ encoding }}" />
-    {{ metatags }}
-    {%- block htmltitle %}
-    <title>{{ title|striptags|e }}{{ titlesuffix }}</title>
-    {%- endblock %}
-    {{ css() }}
-    {%- if not embedded %}
-    {{ script() }}
-    {%- if use_opensearch %}
-    <link rel="search" type="application/opensearchdescription+xml"
-          title="{% trans docstitle=docstitle|e %}Search within {{ docstitle }}{% endtrans %}"
-          href="{{ pathto('_static/opensearch.xml', 1) }}"/>
-    {%- endif %}
-    {%- if favicon %}
-    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
-    {%- endif %}
-    {%- endif %}
-{%- block linktags %}
-    {%- if hasdoc('about') %}
-    <link rel="author" title="{{ _('About these documents') }}" href="{{ pathto('about') }}" />
-    {%- endif %}
-    {%- if hasdoc('genindex') %}
-    <link rel="index" title="{{ _('Index') }}" href="{{ pathto('genindex') }}" />
-    {%- endif %}
-    {%- if hasdoc('search') %}
-    <link rel="search" title="{{ _('Search') }}" href="{{ pathto('search') }}" />
-    {%- endif %}
-    {%- if hasdoc('copyright') %}
-    <link rel="copyright" title="{{ _('Copyright') }}" href="{{ pathto('copyright') }}" />
-    {%- endif %}
-    <link rel="top" title="{{ docstitle|e }}" href="{{ pathto('index') }}" />
-    {%- if parents %}
-    <link rel="up" title="{{ parents[-1].title|striptags|e }}" href="{{ parents[-1].link|e }}" />
-    {%- endif %}
-    {%- if next %}
-    <link rel="next" title="{{ next.title|striptags|e }}" href="{{ next.link|e }}" />
-    {%- endif %}
-    {%- if prev %}
-    <link rel="prev" title="{{ prev.title|striptags|e }}" href="{{ prev.link|e }}" />
-    {%- endif %}
-{%- endblock %}
-{%- block extrahead %} {% endblock %}
-  </head>
-  <body>
-{%- block header %}{% endblock %}
-
-{%- block relbar1 %}{{ relbar() }}{% endblock %}
-
-{%- block content %}
-  {%- block sidebar1 %} {# possible location for sidebar #} {% endblock %}
-
-    <div class="document">
-  {%- block document %}
-      <div class="documentwrapper">
-      {%- if render_sidebar %}
-        <div class="bodywrapper">
-      {%- endif %}
-          <div class="body">
-            {% block body %} {% endblock %}
-          </div>
-      {%- if render_sidebar %}
-        </div>
-      {%- endif %}
-      </div>
-  {%- endblock %}
-
-  {%- block sidebar2 %}{{ sidebar() }}{% endblock %}
-      <div class="clearer"></div>
-    </div>
-{%- endblock %}
-
-{%- block relbar2 %}{{ relbar() }}{% endblock %}
-
-{%- block footer %}
-    <div class="footer">
-    {%- if show_copyright %}
-      {%- if hasdoc('copyright') %}
-        {% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}
-      {%- else %}
-        {% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}
-      {%- endif %}
-    {%- endif %}
-    {%- if last_updated %}
-      {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
-    {%- endif %}
-    {%- if show_sphinx %}
-      {% trans sphinx_version=sphinx_version|e %}Created using <a href="http://sphinx-doc.org/">Sphinx</a> {{ sphinx_version }}.{% endtrans %}
-    {%- endif %}
-    </div>
-    <p>asdf asdf asdf asdf 22</p>
-{%- endblock %}
-  </body>
-</html>
-

docs/_themes/sphinx_rtd_theme/search.html

@@ -1,50 +0,0 @@
-{#
-    basic/search.html
-    ~~~~~~~~~~~~~~~~~
-
-    Template for the search page.
-
-    :copyright: Copyright 2007-2013 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-#}
-{%- extends "layout.html" %}
-{% set title = _('Search') %}
-{% set script_files = script_files + ['_static/searchtools.js'] %}
-{% block extrahead %}
-  <script type="text/javascript">
-    jQuery(function() { Search.loadIndex("{{ pathto('searchindex.js', 1) }}"); });
-  </script>
-  {# this is used when loading the search index using $.ajax fails,
-     such as on Chrome for documents on localhost #}
-  <script type="text/javascript" id="searchindexloader"></script>
-  {{ super() }}
-{% endblock %}
-{% block body %}
-  <noscript>
-  <div id="fallback" class="admonition warning">
-    <p class="last">
-      {% trans %}Please activate JavaScript to enable the search
-      functionality.{% endtrans %}
-    </p>
-  </div>
-  </noscript>
-
-  {% if search_performed %}
-    <h2>{{ _('Search Results') }}</h2>
-    {% if not search_results %}
-      <p>{{ _('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.') }}</p>
-    {% endif %}
-  {% endif %}
-  <div id="search-results">
-  {% if search_results %}
-    <ul>
-    {% for href, caption, context in search_results %}
-      <li>
-        <a href="{{ pathto(item.href) }}">{{ caption }}</a>
-        <p class="context">{{ context|e }}</p>
-      </li>
-    {% endfor %}
-    </ul>
-  {% endif %}
-  </div>
-{% endblock %}

docs/_themes/sphinx_rtd_theme/searchbox.html

@@ -1,5 +0,0 @@
-<form id ="rtd-search-form" class="wy-form" action="{{ pathto('search') }}" method="get">
-  <input type="text" name="q" placeholder="Search docs" />
-  <input type="hidden" name="check_keywords" value="yes" />
-  <input type="hidden" name="area" value="default" />
-</form>

docs/_themes/sphinx_rtd_theme/static/css/badge_only.css

@@ -1 +0,0 @@
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docs/_themes/sphinx_rtd_theme/static/js/theme.js

@@ -1,16 +0,0 @@
-$( document ).ready(function() {
-  // Shift nav in mobile when clicking the menu.
-  $("[data-toggle='wy-nav-top']").click(function() {
-    $("[data-toggle='wy-nav-shift']").toggleClass("shift");
-    $("[data-toggle='rst-versions']").toggleClass("shift");
-  });
-  // Close menu when you click a link.
-  $(".wy-menu-vertical .current ul li a").click(function() {
-    $("[data-toggle='wy-nav-shift']").removeClass("shift");
-    $("[data-toggle='rst-versions']").toggleClass("shift");
-  });
-  $("[data-toggle='rst-current-version']").click(function() {
-    $("[data-toggle='rst-versions']").toggleClass("shift-up");
-  });
-  $("table.docutils:not(.field-list").wrap("<div class='wy-table-responsive'></div>");
-});

docs/_themes/sphinx_rtd_theme/theme.conf

@@ -1,8 +0,0 @@
-[theme]
-inherit = basic
-stylesheet = css/theme.css
-
-[options]
-typekit_id = hiw1hhg
-analytics_id =
-canonical_url =

docs/_themes/sphinx_rtd_theme/versions.html

@@ -1,37 +0,0 @@
-{% if READTHEDOCS %}
-{# Add rst-badge after rst-versions for small badge style. #}
-  <div class="rst-versions" data-toggle="rst-versions">
-    <span class="rst-current-version" data-toggle="rst-current-version">
-      <span class="icon icon-book"> Read the Docs</span>
-      v: {{ current_version }} 
-      <span class="icon icon-caret-down"></span>
-    </span>
-    <div class="rst-other-versions">
-      <dl>
-        <dt>Versions</dt>
-        {% for slug, url in versions %}
-          <dd><a href="{{ url }}">{{ slug }}</a></dd>
-        {% endfor %}
-      </dl>
-      <dl>
-        <dt>Downloads</dt>
-        {% for type, url in downloads %}
-          <dd><a href="{{ url }}">{{ type }}</a></dd>
-        {% endfor %}
-      </dl>
-      <dl>
-        <dt>On Read the Docs</dt>
-          <dd>
-            <a href="//{{ PRODUCTION_DOMAIN }}/projects/{{ slug }}/?fromdocs={{ slug }}">Project Home</a>
-          </dd>
-          <dd>
-            <a href="//{{ PRODUCTION_DOMAIN }}/builds/{{ slug }}/?fromdocs={{ slug }}">Builds</a>
-          </dd>
-      </dl>
-      <hr/>
-      Free document hosting provided by <a href="http://www.readthedocs.org">Read the Docs</a>.
-
-    </div>
-  </div>
-{% endif %}
-

docs/apireference.rst

@@ -34,6 +34,9 @@ Documents
 .. autoclass:: mongoengine.ValidationError
   :members:
 
+.. autoclass:: mongoengine.FieldDoesNotExist
+
+
 Context Managers
 ================
 
@@ -79,6 +82,7 @@ Fields
 .. autoclass:: mongoengine.fields.GenericEmbeddedDocumentField
 .. autoclass:: mongoengine.fields.DynamicField
 .. autoclass:: mongoengine.fields.ListField
+.. autoclass:: mongoengine.fields.EmbeddedDocumentListField
 .. autoclass:: mongoengine.fields.SortedListField
 .. autoclass:: mongoengine.fields.DictField
 .. autoclass:: mongoengine.fields.MapField
@@ -95,11 +99,29 @@ Fields
 .. autoclass:: mongoengine.fields.PointField
 .. autoclass:: mongoengine.fields.LineStringField
 .. autoclass:: mongoengine.fields.PolygonField
+.. autoclass:: mongoengine.fields.MultiPointField
+.. autoclass:: mongoengine.fields.MultiLineStringField
+.. autoclass:: mongoengine.fields.MultiPolygonField
 .. autoclass:: mongoengine.fields.GridFSError
 .. autoclass:: mongoengine.fields.GridFSProxy
 .. autoclass:: mongoengine.fields.ImageGridFsProxy
 .. autoclass:: mongoengine.fields.ImproperlyConfigured
 
+Embedded Document Querying
+==========================
+
+.. versionadded:: 0.9
+
+Additional queries for Embedded Documents are available when using the
+:class:`~mongoengine.EmbeddedDocumentListField` to store a list of embedded
+documents.
+
+A list of embedded documents is returned as a special list with the
+following methods:
+
+.. autoclass:: mongoengine.base.datastructures.EmbeddedDocumentList
+    :members:
+
 Misc
 ====
 

docs/changelog.rst

@@ -2,9 +2,187 @@
 Changelog
 =========
 
+Development
+===========
+- (Fill this out as you fix issues and develop your features).
 
-Changes in 0.9.X - DEV
+Changes in 0.14.1
-======================
+=================
+- Removed SemiStrictDict and started using a regular dict for `BaseDocument._data` #1630
+- Added support for the `$position` param in the `$push` operator #1566
+- Fixed `DateTimeField` interpreting an empty string as today #1533
+- Added a missing `__ne__` method to the `GridFSProxy` class #1632
+- Fixed `BaseQuerySet._fields_to_db_fields` #1553
+
+Changes in 0.14.0
+=================
+- BREAKING CHANGE: Removed the `coerce_types` param from `QuerySet.as_pymongo` #1549
+- POTENTIAL BREAKING CHANGE: Made EmbeddedDocument not hashable by default #1528
+- Improved code quality #1531, #1540, #1541, #1547
+
+Changes in 0.13.0
+=================
+- POTENTIAL BREAKING CHANGE: Added Unicode support to the `EmailField`, see
+  docs/upgrade.rst for details.
+
+Changes in 0.12.0
+=================
+- POTENTIAL BREAKING CHANGE: Fixed limit/skip/hint/batch_size chaining #1476
+- POTENTIAL BREAKING CHANGE: Changed a public `QuerySet.clone_into` method to a private `QuerySet._clone_into` #1476
+- Fixed the way `Document.objects.create` works with duplicate IDs #1485
+- Fixed connecting to a replica set with PyMongo 2.x #1436
+- Fixed using sets in field choices #1481
+- Fixed deleting items from a `ListField` #1318
+- Fixed an obscure error message when filtering by `field__in=non_iterable`. #1237
+- Fixed behavior of a `dec` update operator #1450
+- Added a `rename` update operator #1454
+- Added validation for the `db_field` parameter #1448
+- Fixed the error message displayed when querying an `EmbeddedDocumentField` by an invalid value #1440
+- Fixed the error message displayed when validating unicode URLs #1486
+- Raise an error when trying to save an abstract document #1449
+
+Changes in 0.11.0
+=================
+- BREAKING CHANGE: Renamed `ConnectionError` to `MongoEngineConnectionError` since the former is a built-in exception name in Python v3.x. #1428
+- BREAKING CHANGE: Dropped Python 2.6 support. #1428
+- BREAKING CHANGE: `from mongoengine.base import ErrorClass` won't work anymore for any error from `mongoengine.errors` (e.g. `ValidationError`). Use `from mongoengine.errors import ErrorClass instead`. #1428
+- BREAKING CHANGE: Accessing a broken reference will raise a `DoesNotExist` error. In the past it used to return `None`. #1334
+- Fixed absent rounding for DecimalField when `force_string` is set. #1103
+
+Changes in 0.10.8
+=================
+- Added support for QuerySet.batch_size (#1426)
+- Fixed query set iteration within iteration #1427
+- Fixed an issue where specifying a MongoDB URI host would override more information than it should #1421
+- Added ability to filter the generic reference field by ObjectId and DBRef #1425
+- Fixed delete cascade for models with a custom primary key field #1247
+- Added ability to specify an authentication mechanism (e.g. X.509) #1333
+- Added support for falsey primary keys (e.g. doc.pk = 0) #1354
+- Fixed QuerySet#sum/average for fields w/ explicit db_field #1417
+- Fixed filtering by embedded_doc=None #1422
+- Added support for cursor.comment #1420
+- Fixed doc.get_<field>_display #1419
+- Fixed __repr__ method of the StrictDict #1424
+- Added a deprecation warning for Python 2.6
+
+Changes in 0.10.7
+=================
+- Dropped Python 3.2 support #1390
+- Fixed the bug where dynamic doc has index inside a dict field #1278
+- Fixed: ListField minus index assignment does not work #1128
+- Fixed cascade delete mixing among collections #1224
+- Add `signal_kwargs` argument to `Document.save`, `Document.delete` and `BaseQuerySet.insert` to be passed to signals calls #1206
+- Raise `OperationError` when trying to do a `drop_collection` on document with no collection set.
+- count on ListField of EmbeddedDocumentField fails. #1187
+- Fixed long fields stored as int32 in Python 3. #1253
+- MapField now handles unicodes keys correctly. #1267
+- ListField now handles negative indicies correctly. #1270
+- Fixed AttributeError when initializing EmbeddedDocument with positional args. #681
+- Fixed no_cursor_timeout error with pymongo 3.0+ #1304
+- Replaced map-reduce based QuerySet.sum/average with aggregation-based implementations #1336
+- Fixed support for `__` to escape field names that match operators names in `update` #1351
+- Fixed BaseDocument#_mark_as_changed #1369
+- Added support for pickling QuerySet instances. #1397
+- Fixed connecting to a list of hosts #1389
+- Fixed a bug where accessing broken references wouldn't raise a DoesNotExist error #1334
+- Fixed not being able to specify use_db_field=False on ListField(EmbeddedDocumentField) instances #1218
+- Improvements to the dictionary fields docs #1383
+
+Changes in 0.10.6
+=================
+- Add support for mocking MongoEngine based on mongomock. #1151
+- Fixed not being able to run tests on Windows. #1153
+- Allow creation of sparse compound indexes. #1114
+- count on ListField of EmbeddedDocumentField fails. #1187
+
+Changes in 0.10.5
+=================
+- Fix for reloading of strict with special fields. #1156
+
+Changes in 0.10.4
+=================
+- SaveConditionError is now importable from the top level package. #1165
+- upsert_one method added. #1157
+
+Changes in 0.10.3
+=================
+- Fix `read_preference` (it had chaining issues with PyMongo 2.x and it didn't work at all with PyMongo 3.x) #1042
+
+Changes in 0.10.2
+=================
+- Allow shard key to point to a field in an embedded document. #551
+- Allow arbirary metadata in fields. #1129
+- ReferenceFields now support abstract document types. #837
+
+Changes in 0.10.1
+=================
+- Fix infinite recursion with CASCADE delete rules under specific conditions. #1046
+- Fix CachedReferenceField bug when loading cached docs as DBRef but failing to save them. #1047
+- Fix ignored chained options #842
+- Document save's save_condition error raises `SaveConditionError` exception #1070
+- Fix Document.reload for DynamicDocument. #1050
+- StrictDict & SemiStrictDict are shadowed at init time. #1105
+- Fix ListField minus index assignment does not work. #1119
+- Remove code that marks field as changed when the field has default but not existed in database #1126
+- Remove test dependencies (nose and rednose) from install dependencies list. #1079
+- Recursively build query when using elemMatch operator. #1130
+- Fix instance back references for lists of embedded documents. #1131
+
+Changes in 0.10.0
+=================
+- Django support was removed and will be available as a separate extension. #958
+- Allow to load undeclared field with meta attribute 'strict': False #957
+- Support for PyMongo 3+ #946
+- Removed get_or_create() deprecated since 0.8.0. #300
+- Improve Document._created status when switch collection and db #1020
+- Queryset update doesn't go through field validation #453
+- Added support for specifying authentication source as option `authSource` in URI. #967
+- Fixed mark_as_changed to handle higher/lower level fields changed. #927
+- ListField of embedded docs doesn't set the _instance attribute when iterating over it #914
+- Support += and *= for ListField #595
+- Use sets for populating dbrefs to dereference
+- Fixed unpickled documents replacing the global field's list. #888
+- Fixed storage of microseconds in ComplexDateTimeField and unused separator option. #910
+- Don't send a "cls" option to ensureIndex (related to https://jira.mongodb.org/browse/SERVER-769)
+- Fix for updating sorting in SortedListField. #978
+- Added __ support to escape field name in fields lookup keywords that match operators names #949
+- Fix for issue where FileField deletion did not free space in GridFS.
+- No_dereference() not respected on embedded docs containing reference. #517
+- Document save raise an exception if save_condition fails #1005
+- Fixes some internal _id handling issue. #961
+- Updated URL and Email Field regex validators, added schemes argument to URLField validation. #652
+- Capped collection multiple of 256. #1011
+- Added `BaseQuerySet.aggregate_sum` and `BaseQuerySet.aggregate_average` methods.
+- Fix for delete with write_concern {'w': 0}. #1008
+- Allow dynamic lookup for more than two parts. #882
+- Added support for min_distance on geo queries. #831
+- Allow to add custom metadata to fields #705
+
+Changes in 0.9.0
+================
+- Update FileField when creating a new file #714
+- Added `EmbeddedDocumentListField` for Lists of Embedded Documents. #826
+- ComplexDateTimeField should fall back to None when null=True #864
+- Request Support for $min, $max Field update operators #863
+- `BaseDict` does not follow `setdefault` #866
+- Add support for $type operator # 766
+- Fix tests for pymongo 2.8+ #877
+- No module named 'django.utils.importlib' (Django dev) #872
+- Field Choices Now Accept Subclasses of Documents
+- Ensure Indexes before Each Save #812
+- Generate Unique Indices for Lists of EmbeddedDocuments #358
+- Sparse fields #515
+- write_concern not in params of Collection#remove #801
+- Better BaseDocument equality check when not saved #798
+- OperationError: Shard Keys are immutable. Tried to update id even though the document is not yet saved #771
+- with_limit_and_skip for count should default like in pymongo #759
+- Fix storing value of precision attribute in DecimalField #787
+- Set attribute to None does not work (at least for fields with default values) #734
+- Querying by a field defined in a subclass raises InvalidQueryError #744
+- Add Support For MongoDB 2.6.X's maxTimeMS #778
+- abstract shouldn't be inherited in EmbeddedDocument # 789
+- Allow specifying the '_cls' as a field for indexes #397
+- Stop ensure_indexes running on a secondaries unless connection is through mongos #746
 - Not overriding default values when loading a subset of fields #399
 - Saving document doesn't create new fields in existing collection #620
 - Added `Queryset.aggregate` wrapper to aggregation framework #703
@@ -33,7 +211,7 @@ Changes in 0.9.X - DEV
 - Removing support for Django 1.4.x, pymongo 2.5.x, pymongo 2.6.x.
 - Removing support for Python < 2.6.6
 - Fixed $maxDistance location for geoJSON $near queries with MongoDB 2.6+ #664
-- QuerySet.modify() method to provide find_and_modify() like behaviour #677
+- QuerySet.modify() and Document.modify() methods to provide find_and_modify() like behaviour #677 #773
 - Added support for the using() method on a queryset #676
 - PYPY support #673
 - Connection pooling #674
@@ -46,10 +224,20 @@ Changes in 0.9.X - DEV
 - Workaround a dateutil bug #608
 - Conditional save for atomic-style operations #511
 - Allow dynamic dictionary-style field access #559
+- Increase email field length to accommodate new TLDs #726
+- index_cls is ignored when deciding to set _cls as index prefix #733
+- Make 'db' argument to connection optional #737
+- Allow atomic update for the entire `DictField` #742
+- Added MultiPointField, MultiLineField, MultiPolygonField
+- Fix multiple connections aliases being rewritten #748
+- Fixed a few instances where reverse_delete_rule was written as reverse_delete_rules. #791
+- Make `in_bulk()` respect `no_dereference()` #775
+- Handle None from model __str__; Fixes #753 #754
+- _get_changed_fields fix for embedded documents with id field. #925
 
 Changes in 0.8.7
 ================
-- Calling reload on deleted / nonexistant documents raises DoesNotExist (#538)
+- Calling reload on deleted / nonexistent documents raises DoesNotExist (#538)
 - Stop ensure_indexes running on a secondaries (#555)
 - Fix circular import issue with django auth (#531) (#545)
 
@@ -62,7 +250,7 @@ Changes in 0.8.5
 - Fix multi level nested fields getting marked as changed (#523)
 - Django 1.6 login fix (#522) (#527)
 - Django 1.6 session fix (#509)
-- EmbeddedDocument._instance is now set when settng the attribute (#506)
+- EmbeddedDocument._instance is now set when setting the attribute (#506)
 - Fixed EmbeddedDocument with ReferenceField equality issue (#502)
 - Fixed GenericReferenceField serialization order (#499)
 - Fixed count and none bug (#498)
@@ -152,7 +340,7 @@ Changes in 0.8.0
 - Added `get_next_value` preview for SequenceFields (#319)
 - Added no_sub_classes context manager and queryset helper (#312)
 - Querysets now utilises a local cache
-- Changed __len__ behavour in the queryset (#247, #311)
+- Changed __len__ behaviour in the queryset (#247, #311)
 - Fixed querying string versions of ObjectIds issue with ReferenceField (#307)
 - Added $setOnInsert support for upserts (#308)
 - Upserts now possible with just query parameters (#309)
@@ -203,7 +391,7 @@ Changes in 0.8.0
 - Uses getlasterror to test created on updated saves (#163)
 - Fixed inheritance and unique index creation (#140)
 - Fixed reverse delete rule with inheritance (#197)
-- Fixed validation for GenericReferences which havent been dereferenced
+- Fixed validation for GenericReferences which haven't been dereferenced
 - Added switch_db context manager (#106)
 - Added switch_db method to document instances (#106)
 - Added no_dereference context manager (#82) (#61)
@@ -285,11 +473,11 @@ Changes in 0.7.2
 - Update index spec generation so its not destructive (#113)
 
 Changes in 0.7.1
-=================
+================
 - Fixed index spec inheritance (#111)
 
 Changes in 0.7.0
-=================
+================
 - Updated queryset.delete so you can use with skip / limit (#107)
 - Updated index creation allows kwargs to be passed through refs (#104)
 - Fixed Q object merge edge case (#109)
@@ -370,7 +558,7 @@ Changes in 0.6.12
 - Fixes error with _delta handling DBRefs
 
 Changes in 0.6.11
-==================
+=================
 - Fixed inconsistency handling None values field attrs
 - Fixed map_field embedded db_field issue
 - Fixed .save() _delta issue with DbRefs
@@ -450,7 +638,7 @@ Changes in 0.6.1
 - Fix for replicaSet connections
 
 Changes in 0.6
-================
+==============
 
 - Added FutureWarning to inherited classes not declaring 'allow_inheritance' as the default will change in 0.7
 - Added support for covered indexes when inheritance is off
@@ -539,7 +727,7 @@ Changes in v0.5
 - Added Document Mixin support
 - Fixed queryet __repr__ mid iteration
 - Added hint() support, so can tell Mongo the proper index to use for the query
-- Fixed issue with inconsitent setting of _cls breaking inherited referencing
+- Fixed issue with inconsistent setting of _cls breaking inherited referencing
 - Added help_text and verbose_name to fields to help with some form libs
 - Updated item_frequencies to handle embedded document lookups
 - Added delta tracking now only sets / unsets explicitly changed fields

docs/code/tumblelog.py

@@ -17,6 +17,10 @@ class Post(Document):
     tags = ListField(StringField(max_length=30))
     comments = ListField(EmbeddedDocumentField(Comment))
 
+    # bugfix
+    meta = {'allow_inheritance': True}
+
+
 class TextPost(Post):
     content = StringField()
 
@@ -45,7 +49,8 @@ print 'ALL POSTS'
 print
 for post in Post.objects:
     print post.title
-    print '=' * post.title.count()
+    #print '=' * post.title.count()
+    print "=" * 20
 
     if isinstance(post, TextPost):
         print post.content

docs/conf.py

@@ -13,6 +13,10 @@
 
 import sys, os
 
+import sphinx_rtd_theme
+
+import mongoengine
+
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
@@ -44,7 +48,6 @@ copyright = u'2009, MongoEngine Authors'
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
-import mongoengine
 # The short X.Y version.
 version = mongoengine.get_version()
 # The full version, including alpha/beta/rc tags.
@@ -97,10 +100,12 @@ html_theme = 'sphinx_rtd_theme'
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-#html_theme_options = {}
+html_theme_options = {
+    'canonical_url': 'http://docs.mongoengine.org/en/latest/'
+}
 
 # Add any paths that contain custom themes here, relative to this directory.
-html_theme_path = ['_themes']
+html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
@@ -199,7 +204,3 @@ latex_documents = [
 #latex_use_modindex = True
 
 autoclass_content = 'both'
-
-html_theme_options = dict(
-    canonical_url='http://docs.mongoengine.org/en/latest/'
-)

docs/django.rst

@@ -2,176 +2,18 @@
 Django Support
 ==============
 
-.. note:: Updated to support Django 1.5
+.. note:: Django support has been split from the main MongoEngine
-
+    repository. The *legacy* Django extension may be found bundled with the
-Connecting
+    0.9 release of MongoEngine.
-==========
-In your **settings.py** file, ignore the standard database settings (unless you
-also plan to use the ORM in your project), and instead call
-:func:`~mongoengine.connect` somewhere in the settings module.
-
-.. note::
-   If you are not using another Database backend you may need to add a dummy
-   database backend to ``settings.py`` eg::
-
-        DATABASES = {
-            'default': {
-                'ENGINE': 'django.db.backends.dummy'
-            }
-        }
-
-Authentication
-==============
-MongoEngine includes a Django authentication backend, which uses MongoDB. The
-:class:`~mongoengine.django.auth.User` model is a MongoEngine
-:class:`~mongoengine.Document`, but implements most of the methods and
-attributes that the standard Django :class:`User` model does - so the two are
-moderately compatible. Using this backend will allow you to store users in
-MongoDB but still use many of the Django authentication infrastructure (such as
-the :func:`login_required` decorator and the :func:`authenticate` function). To
-enable the MongoEngine auth backend, add the following to your **settings.py**
-file::
-
-    AUTHENTICATION_BACKENDS = (
-        'mongoengine.django.auth.MongoEngineBackend',
-    )
-
-The :mod:`~mongoengine.django.auth` module also contains a
-:func:`~mongoengine.django.auth.get_user` helper function, that takes a user's
-:attr:`id` and returns a :class:`~mongoengine.django.auth.User` object.
-
-.. versionadded:: 0.1.3
-
-Custom User model
-=================
-Django 1.5 introduced `Custom user Models
-<https://docs.djangoproject.com/en/dev/topics/auth/customizing/#auth-custom-user>`_
-which can be used as an alternative to the MongoEngine authentication backend.
-
-The main advantage of this option is that other components relying on
-:mod:`django.contrib.auth` and supporting the new swappable user model are more
-likely to work. For example, you can use the ``createsuperuser`` management
-command as usual.
-
-To enable the custom User model in Django, add ``'mongoengine.django.mongo_auth'``
-in your ``INSTALLED_APPS`` and set ``'mongo_auth.MongoUser'`` as the custom user
-user model to use. In your **settings.py** file you will have::
-
-    INSTALLED_APPS = (
-        ...
-        'django.contrib.auth',
-        'mongoengine.django.mongo_auth',
-        ...
-    )
-
-    AUTH_USER_MODEL = 'mongo_auth.MongoUser'
-
-An additional ``MONGOENGINE_USER_DOCUMENT`` setting enables you to replace the
-:class:`~mongoengine.django.auth.User` class with another class of your choice::
-
-    MONGOENGINE_USER_DOCUMENT = 'mongoengine.django.auth.User'
-
-The custom :class:`User` must be a :class:`~mongoengine.Document` class, but
-otherwise has the same requirements as a standard custom user model,
-as specified in the `Django Documentation
-<https://docs.djangoproject.com/en/dev/topics/auth/customizing/>`_.
-In particular, the custom class must define :attr:`USERNAME_FIELD` and
-:attr:`REQUIRED_FIELDS` attributes.
-
-Sessions
-========
-Django allows the use of different backend stores for its sessions. MongoEngine
-provides a MongoDB-based session backend for Django, which allows you to use
-sessions in your Django application with just MongoDB. To enable the MongoEngine
-session backend, ensure that your settings module has
-``'django.contrib.sessions.middleware.SessionMiddleware'`` in the
-``MIDDLEWARE_CLASSES`` field  and ``'django.contrib.sessions'`` in your
-``INSTALLED_APPS``. From there, all you need to do is add the following line
-into your settings module::
-
-    SESSION_ENGINE = 'mongoengine.django.sessions'
-    SESSION_SERIALIZER = 'mongoengine.django.sessions.BSONSerializer'
-
-Django provides session cookie, which expires after ```SESSION_COOKIE_AGE``` seconds, but doesn't delete cookie at sessions backend, so ``'mongoengine.django.sessions'`` supports  `mongodb TTL
-<http://docs.mongodb.org/manual/tutorial/expire-data/>`_.
-
-.. note:: ``SESSION_SERIALIZER`` is only necessary in Django 1.6 as the default
-   serializer is based around JSON and doesn't know how to convert
-   ``bson.objectid.ObjectId`` instances to strings.
-
-.. versionadded:: 0.2.1
-
-Storage
-=======
-With MongoEngine's support for GridFS via the :class:`~mongoengine.fields.FileField`,
-it is useful to have a Django file storage backend that wraps this. The new
-storage module is called :class:`~mongoengine.django.storage.GridFSStorage`.
-Using it is very similar to using the default FileSystemStorage.::
-
-    from mongoengine.django.storage import GridFSStorage
-    fs = GridFSStorage()
-
-    filename = fs.save('hello.txt', 'Hello, World!')
-
-All of the `Django Storage API methods
-<http://docs.djangoproject.com/en/dev/ref/files/storage/>`_ have been
-implemented except :func:`path`. If the filename provided already exists, an
-underscore and a number (before # the file extension, if one exists) will be
-appended to the filename until the generated filename doesn't exist. The
-:func:`save` method will return the new filename.::
-
-    >>> fs.exists('hello.txt')
-    True
-    >>> fs.open('hello.txt').read()
-    'Hello, World!'
-    >>> fs.size('hello.txt')
-    13
-    >>> fs.url('hello.txt')
-    'http://your_media_url/hello.txt'
-    >>> fs.open('hello.txt').name
-    'hello.txt'
-    >>> fs.listdir()
-    ([], [u'hello.txt'])
-
-All files will be saved and retrieved in GridFS via the :class:`FileDocument`
-document, allowing easy access to the files without the GridFSStorage
-backend.::
-
-    >>> from mongoengine.django.storage import FileDocument
-    >>> FileDocument.objects()
-    [<FileDocument: FileDocument object>]
-
-.. versionadded:: 0.4
-
-Shortcuts
-=========
-Inspired by the `Django shortcut get_object_or_404
-<https://docs.djangoproject.com/en/dev/topics/http/shortcuts/#get-object-or-404>`_,
-the :func:`~mongoengine.django.shortcuts.get_document_or_404` method returns 
-a document or raises an Http404 exception if the document does not exist::
-
-    from mongoengine.django.shortcuts import get_document_or_404
-    
-    admin_user = get_document_or_404(User, username='root')
-
-The first argument may be a Document or QuerySet object. All other passed arguments
-and keyword arguments are used in the query::
-
-    foo_email = get_document_or_404(User.objects.only('email'), username='foo', is_active=True).email
-
-.. note:: Like with :func:`get`, a MultipleObjectsReturned will be raised if more than one
-    object is found.
 
 
-Also inspired by the `Django shortcut get_list_or_404
-<https://docs.djangoproject.com/en/dev/topics/http/shortcuts/#get-list-or-404>`_,
-the :func:`~mongoengine.django.shortcuts.get_list_or_404` method returns a list of
-documents or raises an Http404 exception if the list is empty::
 
-    from mongoengine.django.shortcuts import get_list_or_404
+Help Wanted!
-    
+------------
-    active_users = get_list_or_404(User, is_active=True)
-
-The first argument may be a Document or QuerySet object. All other passed
-arguments and keyword arguments are used to filter the query.
 
+The MongoEngine team is looking for help contributing and maintaining a new
+Django extension for MongoEngine! If you have Django experience and would like
+to help contribute to the project, please get in touch on the 
+`mailing list <http://groups.google.com/group/mongoengine-users>`_ or by 
+simply contributing on
+`GitHub <https://github.com/MongoEngine/django-mongoengine>`_.

docs/guide/connecting.rst

@@ -23,21 +23,37 @@ arguments should be provided::
 
     connect('project1', username='webapp', password='pwd123')
 
-Uri style connections are also supported - just supply the uri as
+URI style connections are also supported -- just supply the URI as
 the :attr:`host` to
 :func:`~mongoengine.connect`::
 
     connect('project1', host='mongodb://localhost/database_name')
 
-Note that database name from uri has priority over name
+.. note:: Database, username and password from URI string overrides
-in ::func:`~mongoengine.connect`
+    corresponding parameters in :func:`~mongoengine.connect`: ::
+
+        connect(
+            db='test',
+            username='user',
+            password='12345',
+            host='mongodb://admin:qwerty@localhost/production'
+        )
+
+    will establish connection to ``production`` database using
+    ``admin`` username and ``qwerty`` password.
 
 Replica Sets
-===========
+============
 
-MongoEngine supports :class:`~pymongo.mongo_replica_set_client.MongoReplicaSetClient`.
+MongoEngine supports connecting to replica sets::
-To use them, please use a URI style connection and provide the `replicaSet` name in the
+
-connection kwargs.
+    from mongoengine import connect
+
+    # Regular connect
+    connect('dbname', replicaset='rs-name')
+
+    # MongoDB URI-style connect
+    connect(host='mongodb://localhost/dbname?replicaSet=rs-name')
 
 Read preferences are supported through the connection or via individual
 queries by passing the read_preference ::
@@ -48,42 +64,44 @@ queries by passing the read_preference ::
 Multiple Databases
 ==================
 
-Multiple database support was added in MongoEngine 0.6. To use multiple
+To use multiple databases you can use :func:`~mongoengine.connect` and provide
-databases you can use :func:`~mongoengine.connect` and provide an `alias` name
+an `alias` name for the connection - if no `alias` is provided then "default"
-for the connection - if no `alias` is provided then "default" is used.
+is used.
 
 In the background this uses :func:`~mongoengine.register_connection` to
 store the data and you can register all aliases up front if required.
 
 Individual documents can also support multiple databases by providing a
-`db_alias` in their meta data.  This allows :class:`~pymongo.dbref.DBRef` objects
+`db_alias` in their meta data. This allows :class:`~pymongo.dbref.DBRef`
-to point across databases and collections.  Below is an example schema, using
+objects to point across databases and collections. Below is an example schema,
-3 different databases to store data::
+using 3 different databases to store data::
 
         class User(Document):
             name = StringField()
 
-            meta = {"db_alias": "user-db"}
+            meta = {'db_alias': 'user-db'}
 
         class Book(Document):
             name = StringField()
 
-            meta = {"db_alias": "book-db"}
+            meta = {'db_alias': 'book-db'}
 
         class AuthorBooks(Document):
             author = ReferenceField(User)
             book = ReferenceField(Book)
 
-            meta = {"db_alias": "users-books-db"}
+            meta = {'db_alias': 'users-books-db'}
 
 
-Switch Database Context Manager
+Context Managers
-===============================
+================
-
+Sometimes you may want to switch the database or collection to query against.
-Sometimes you may want to switch the database to query against for a class
+For example, archiving older data into a separate database for performance
-for example, archiving older data into a separate database for performance
+reasons or writing functions that dynamically choose collections to write
-reasons.
+a document to.
 
+Switch Database
+---------------
 The :class:`~mongoengine.context_managers.switch_db` context manager allows
 you to change the database alias for a given class allowing quick and easy
 access to the same User document across databases::
@@ -93,25 +111,29 @@ access to the same User document across databases::
     class User(Document):
         name = StringField()
 
-            meta = {"db_alias": "user-db"}
+        meta = {'db_alias': 'user-db'}
 
     with switch_db(User, 'archive-user-db') as User:
-            User(name="Ross").save()  # Saves the 'archive-user-db'
+        User(name='Ross').save()  # Saves the 'archive-user-db'
 
-.. note:: Make sure any aliases have been registered with
-    :func:`~mongoengine.register_connection` before using the context manager.
 
-There is also a switch collection context manager as well.  The
+Switch Collection
-:class:`~mongoengine.context_managers.switch_collection` context manager allows
+-----------------
-you to change the collection for a given class allowing quick and easy
+The :class:`~mongoengine.context_managers.switch_collection` context manager
+allows you to change the collection for a given class allowing quick and easy
 access to the same Group document across collection::
 
-        from mongoengine.context_managers import switch_db
+        from mongoengine.context_managers import switch_collection
 
         class Group(Document):
             name = StringField()
 
-        Group(name="test").save()  # Saves in the default db
+        Group(name='test').save()  # Saves in the default db
 
         with switch_collection(Group, 'group2000') as Group:
-            Group(name="hello Group 2000 collection!").save()  # Saves in group2000 collection
+            Group(name='hello Group 2000 collection!').save()  # Saves in group2000 collection
+
+
+.. note:: Make sure any aliases have been registered with
+    :func:`~mongoengine.register_connection` or :func:`~mongoengine.connect`
+    before using the context manager.

docs/guide/defining-documents.rst

@@ -4,7 +4,7 @@ Defining documents
 In MongoDB, a **document** is roughly equivalent to a **row** in an RDBMS. When
 working with relational databases, rows are stored in **tables**, which have a
 strict **schema** that the rows follow. MongoDB stores documents in
-**collections** rather than tables - the principal difference is that no schema
+**collections** rather than tables --- the principal difference is that no schema
 is enforced at a database level.
 
 Defining a document's schema
@@ -29,7 +29,7 @@ documents are serialized based on their field order.
 
 Dynamic document schemas
 ========================
-One of the benefits of MongoDb is dynamic schemas for a collection, whilst data
+One of the benefits of MongoDB is dynamic schemas for a collection, whilst data
 should be planned and organised (after all explicit is better than implicit!)
 there are scenarios where having dynamic / expando style documents is desirable.
 
@@ -75,6 +75,7 @@ are as follows:
 * :class:`~mongoengine.fields.DynamicField`
 * :class:`~mongoengine.fields.EmailField`
 * :class:`~mongoengine.fields.EmbeddedDocumentField`
+* :class:`~mongoengine.fields.EmbeddedDocumentListField`
 * :class:`~mongoengine.fields.FileField`
 * :class:`~mongoengine.fields.FloatField`
 * :class:`~mongoengine.fields.GenericEmbeddedDocumentField`
@@ -91,6 +92,12 @@ are as follows:
 * :class:`~mongoengine.fields.StringField`
 * :class:`~mongoengine.fields.URLField`
 * :class:`~mongoengine.fields.UUIDField`
+* :class:`~mongoengine.fields.PointField`
+* :class:`~mongoengine.fields.LineStringField`
+* :class:`~mongoengine.fields.PolygonField`
+* :class:`~mongoengine.fields.MultiPointField`
+* :class:`~mongoengine.fields.MultiLineStringField`
+* :class:`~mongoengine.fields.MultiPolygonField`
 
 Field arguments
 ---------------
@@ -108,7 +115,7 @@ arguments can be set on all fields:
 :attr:`default` (Default: None)
     A value to use when no value is set for this field.
 
-    The definion of default parameters follow `the general rules on Python
+    The definition of default parameters follow `the general rules on Python
     <http://docs.python.org/reference/compound_stmts.html#function-definitions>`__,
     which means that some care should be taken when dealing with default mutable objects
     (like in :class:`~mongoengine.fields.ListField` or :class:`~mongoengine.fields.DictField`)::
@@ -140,8 +147,10 @@ arguments can be set on all fields:
     When True, use this field as a primary key for the collection.  `DictField`
     and `EmbeddedDocuments` both support being the primary key for a document.
 
+    .. note:: If set, this field is also accessible through the `pk` field.
+
 :attr:`choices` (Default: None)
-    An iterable (e.g. a list or tuple) of choices to which the value of this
+    An iterable (e.g. list, tuple or set) of choices to which the value of this
     field should be limited.
 
     Can be either be a nested tuples of value (stored in mongo) and a
@@ -164,16 +173,16 @@ arguments can be set on all fields:
         class Shirt(Document):
             size = StringField(max_length=3, choices=SIZE)
 
-:attr:`help_text` (Default: None)
+:attr:`**kwargs` (Optional)
-    Optional help text to output with the field - used by form libraries
+    You can supply additional metadata as arbitrary additional keyword
-
+    arguments.  You can not override existing attributes, however.  Common
-:attr:`verbose_name` (Default: None)
+    choices include `help_text` and `verbose_name`, commonly used by form and
-    Optional human-readable name for the field - used by form libraries
+    widget libraries.
 
 
 List fields
 -----------
-MongoDB allows the storage of lists of items. To add a list of items to a
+MongoDB allows storing lists of items. To add a list of items to a
 :class:`~mongoengine.Document`, use the :class:`~mongoengine.fields.ListField` field
 type. :class:`~mongoengine.fields.ListField` takes another field object as its first
 argument, which specifies which type elements may be stored within the list::
@@ -205,9 +214,9 @@ document class as the first argument::
 
 Dictionary Fields
 -----------------
-Often, an embedded document may be used instead of a dictionary -- generally
+Often, an embedded document may be used instead of a dictionary – generally
-this is recommended as dictionaries don't support validation or custom field
+embedded documents are recommended as dictionaries don’t support validation
-types. However, sometimes you will not know the structure of what you want to
+or custom field types. However, sometimes you will not know the structure of what you want to
 store; in this situation a :class:`~mongoengine.fields.DictField` is appropriate::
 
     class SurveyResponse(Document):
@@ -307,12 +316,12 @@ reference with a delete rule specification.  A delete rule is specified by
 supplying the :attr:`reverse_delete_rule` attributes on the
 :class:`ReferenceField` definition, like this::
 
-    class Employee(Document):
+    class ProfilePage(Document):
         ...
-        profile_page = ReferenceField('ProfilePage', reverse_delete_rule=mongoengine.NULLIFY)
+        employee = ReferenceField('Employee', reverse_delete_rule=mongoengine.CASCADE)
 
 The declaration in this example means that when an :class:`Employee` object is
-removed, the :class:`ProfilePage` that belongs to that employee is removed as
+removed, the :class:`ProfilePage` that references that employee is removed as
 well.  If a whole batch of employees is removed, all profile pages that are
 linked are removed as well.
 
@@ -328,7 +337,7 @@ Its value can take any of the following constants:
   Any object's fields still referring to the object being deleted are removed
   (using MongoDB's "unset" operation), effectively nullifying the relationship.
 :const:`mongoengine.CASCADE`
-  Any object containing fields that are refererring to the object being deleted
+  Any object containing fields that are referring to the object being deleted
   are deleted first.
 :const:`mongoengine.PULL`
   Removes the reference to the object (using MongoDB's "pull" operation)
@@ -352,11 +361,6 @@ Its value can take any of the following constants:
    In Django, be sure to put all apps that have such delete rule declarations in
    their :file:`models.py` in the :const:`INSTALLED_APPS` tuple.
 
-
-.. warning::
-   Signals are not triggered when doing cascading updates / deletes - if this
-   is required you must manually handle the update / delete.
-
 Generic reference fields
 ''''''''''''''''''''''''
 A second kind of reference field also exists,
@@ -395,7 +399,7 @@ MongoEngine allows you to specify that a field should be unique across a
 collection by providing ``unique=True`` to a :class:`~mongoengine.fields.Field`\ 's
 constructor. If you try to save a document that has the same value for a unique
 field as a document that is already in the database, a
-:class:`~mongoengine.OperationError` will be raised. You may also specify
+:class:`~mongoengine.NotUniqueError` will be raised. You may also specify
 multi-field uniqueness constraints by using :attr:`unique_with`, which may be
 either a single field name, or a list or tuple of field names::
 
@@ -422,7 +426,7 @@ Document collections
 ====================
 Document classes that inherit **directly** from :class:`~mongoengine.Document`
 will have their own **collection** in the database. The name of the collection
-is by default the name of the class, coverted to lowercase (so in the example
+is by default the name of the class, converted to lowercase (so in the example
 above, the collection would be called `page`). If you need to change the name
 of the collection (e.g. to use MongoEngine with an existing database), then
 create a class dictionary attribute called :attr:`meta` on your document, and
@@ -439,8 +443,10 @@ A :class:`~mongoengine.Document` may use a **Capped Collection** by specifying
 :attr:`max_documents` and :attr:`max_size` in the :attr:`meta` dictionary.
 :attr:`max_documents` is the maximum number of documents that is allowed to be
 stored in the collection, and :attr:`max_size` is the maximum size of the
-collection in bytes. If :attr:`max_size` is not specified and
+collection in bytes. :attr:`max_size` is rounded up to the next multiple of 256
-:attr:`max_documents` is, :attr:`max_size` defaults to 10000000 bytes (10MB).
+by MongoDB internally and mongoengine before. Use also a multiple of 256 to
+avoid confusions. If :attr:`max_size` is not specified and
+:attr:`max_documents` is, :attr:`max_size` defaults to 10485760 bytes (10MB).
 The following example shows a :class:`Log` document that will be limited to
 1000 entries and 2MB of disk space::
 
@@ -457,16 +463,31 @@ You can specify indexes on collections to make querying faster. This is done
 by creating a list of index specifications called :attr:`indexes` in the
 :attr:`~mongoengine.Document.meta` dictionary, where an index specification may
 either be a single field name, a tuple containing multiple field names, or a
-dictionary containing a full index definition. A direction may be specified on
+dictionary containing a full index definition.
-fields by prefixing the field name with a **+** (for ascending) or a **-** sign
+
-(for descending). Note that direction only matters on multi-field indexes.
+A direction may be specified on fields by prefixing the field name with a
-Text indexes may be specified by prefixing the field name with a **$**. ::
+**+** (for ascending) or a **-** sign (for descending). Note that direction
+only matters on multi-field indexes. Text indexes may be specified by prefixing
+the field name with a **$**. Hashed indexes may be specified by prefixing
+the field name with a **#**::
 
     class Page(Document):
+        category = IntField()
         title = StringField()
         rating = StringField()
+        created = DateTimeField()
         meta = {
-            'indexes': ['title', ('title', '-rating')]
+            'indexes': [
+                'title',
+                '$title',  # text index
+                '#title',  # hashed index
+                ('title', '-rating'),
+                ('category', '_cls'),
+                {
+                    'fields': ['created'],
+                    'expireAfterSeconds': 3600
+                }
+            ]
         }
 
 If a dictionary is passed then the following options are available:
@@ -516,11 +537,14 @@ There are a few top level defaults for all indexes that can be set::
 :attr:`index_background` (Optional)
     Set the default value for if an index should be indexed in the background
 
+:attr:`index_cls` (Optional)
+    A way to turn off a specific index for _cls.
+
 :attr:`index_drop_dups` (Optional)
     Set the default value for if an index should drop duplicates
 
-:attr:`index_cls` (Optional)
+.. note:: Since MongoDB 3.0 drop_dups is not supported anymore. Raises a Warning
-    A way to turn off a specific index for _cls.
+    and has no effect
 
 
 Compound Indexes and Indexing sub documents
@@ -544,6 +568,9 @@ The following fields will explicitly add a "2dsphere" index:
     - :class:`~mongoengine.fields.PointField`
     - :class:`~mongoengine.fields.LineStringField`
     - :class:`~mongoengine.fields.PolygonField`
+    - :class:`~mongoengine.fields.MultiPointField`
+    - :class:`~mongoengine.fields.MultiLineStringField`
+    - :class:`~mongoengine.fields.MultiPolygonField`
 
 As "2dsphere" indexes can be part of a compound index, you may not want the
 automatic index but would prefer a compound index.  In this example we turn off
@@ -655,11 +682,11 @@ Shard keys
 ==========
 
 If your collection is sharded, then you need to specify the shard key as a tuple,
-using the :attr:`shard_key` attribute of :attr:`-mongoengine.Document.meta`.
+using the :attr:`shard_key` attribute of :attr:`~mongoengine.Document.meta`.
 This ensures that the shard key is sent with the query when calling the
 :meth:`~mongoengine.document.Document.save` or
 :meth:`~mongoengine.document.Document.update` method on an existing
-:class:`-mongoengine.Document` instance::
+:class:`~mongoengine.Document` instance::
 
     class LogEntry(Document):
         machine = StringField()
@@ -681,7 +708,7 @@ defined, you may subclass it and add any extra fields or methods you may need.
 As this is new class is not a direct subclass of
 :class:`~mongoengine.Document`, it will not be stored in its own collection; it
 will use the same collection as its superclass uses. This allows for more
-convenient and efficient retrieval of related documents - all you need do is
+convenient and efficient retrieval of related documents -- all you need do is
 set :attr:`allow_inheritance` to True in the :attr:`meta` data for a
 document.::
 
@@ -695,12 +722,12 @@ document.::
     class DatedPage(Page):
         date = DateTimeField()
 
-.. note:: From 0.8 onwards you must declare :attr:`allow_inheritance` defaults
+.. note:: From 0.8 onwards :attr:`allow_inheritance` defaults
           to False, meaning you must set it to True to use inheritance.
 
 Working with existing data
 --------------------------
-As MongoEngine no longer defaults to needing :attr:`_cls` you can quickly and
+As MongoEngine no longer defaults to needing :attr:`_cls`, you can quickly and
 easily get working with existing data.  Just define the document to match
 the expected schema in your database ::
 
@@ -723,7 +750,7 @@ Abstract classes
 
 If you want to add some extra functionality to a group of Document classes but
 you don't need or want the overhead of inheritance you can use the
-:attr:`abstract` attribute of :attr:`-mongoengine.Document.meta`.
+:attr:`abstract` attribute of :attr:`~mongoengine.Document.meta`.
 This won't turn on :ref:`document-inheritance` but will allow you to keep your
 code DRY::
 

docs/guide/document-instances.rst

@@ -2,7 +2,7 @@
 Documents instances
 ===================
 To create a new document object, create an instance of the relevant document
-class, providing values for its fields as its constructor keyword arguments.
+class, providing values for its fields as constructor keyword arguments.
 You may provide values for any of the fields on the document::
 
     >>> page = Page(title="Test Page")
@@ -32,11 +32,11 @@ already exist, then any changes will be updated atomically.  For example::
 
     Changes to documents are tracked and on the whole perform ``set`` operations.
 
-    * ``list_field.push(0)`` - *sets* the resulting list
+    * ``list_field.push(0)`` --- *sets* the resulting list
-    * ``del(list_field)``   - *unsets* whole list
+    * ``del(list_field)``   --- *unsets* whole list
 
     With lists its preferable to use ``Doc.update(push__list_field=0)`` as
-    this stops the whole list being updated - stopping any race conditions.
+    this stops the whole list being updated --- stopping any race conditions.
 
 .. seealso::
     :ref:`guide-atomic-updates`
@@ -74,7 +74,7 @@ Cascading Saves
 If your document contains :class:`~mongoengine.fields.ReferenceField` or
 :class:`~mongoengine.fields.GenericReferenceField` objects, then by default the
 :meth:`~mongoengine.Document.save` method will not save any changes to
-those objects.  If you want all references to also be saved also, noting each
+those objects.  If you want all references to be saved also, noting each
 save is a separate query, then passing :attr:`cascade` as True
 to the save method will cascade any saves.
 
@@ -113,12 +113,13 @@ you may still use :attr:`id` to access the primary key if you want::
     >>> bob.id == bob.email == 'bob@example.com'
     True
 
-You can also access the document's "primary key" using the :attr:`pk` field; in
+You can also access the document's "primary key" using the :attr:`pk` field,
-is an alias to :attr:`id`::
+it's an alias to :attr:`id`::
 
     >>> page = Page(title="Another Test Page")
     >>> page.save()
     >>> page.id == page.pk
+    True
 
 .. note::
 

docs/guide/index.rst

@@ -13,3 +13,4 @@ User Guide
    gridfs
    signals
    text-indexes
+   mongomock

docs/guide/installing.rst

@@ -2,13 +2,13 @@
 Installing MongoEngine
 ======================
 
-To use MongoEngine, you will need to download `MongoDB <http://mongodb.org/>`_
+To use MongoEngine, you will need to download `MongoDB <http://mongodb.com/>`_
 and ensure it is running in an accessible location. You will also need
 `PyMongo <http://api.mongodb.org/python>`_ to use MongoEngine, but if you
 install MongoEngine using setuptools, then the dependencies will be handled for
 you.
 
-MongoEngine is available on PyPI, so to use it you can use :program:`pip`:
+MongoEngine is available on PyPI, so you can use :program:`pip`:
 
 .. code-block:: console
 

docs/guide/mongomock.rst

@@ -0,0 +1,21 @@
+==============================
+Use mongomock for testing
+==============================
+
+`mongomock <https://github.com/vmalloc/mongomock/>`_ is a package to do just 
+what the name implies, mocking a mongo database.
+
+To use with mongoengine, simply specify mongomock when connecting with 
+mongoengine:
+
+.. code-block:: python
+
+    connect('mongoenginetest', host='mongomock://localhost')
+    conn = get_connection()
+
+or with an alias:
+
+.. code-block:: python
+
+    connect('mongoenginetest', host='mongomock://localhost', alias='testdb')
+    conn = get_connection('testdb')

docs/guide/querying.rst

@@ -17,7 +17,7 @@ fetch documents from the database::
 
     As of MongoEngine 0.8 the querysets utilise a local cache.  So iterating
     it multiple times will only cause a single query.  If this is not the
-    desired behavour you can call :class:`~mongoengine.QuerySet.no_cache`
+    desired behaviour you can call :class:`~mongoengine.QuerySet.no_cache`
     (version **0.8.3+**) to return a non-caching queryset.
 
 Filtering queries
@@ -39,10 +39,18 @@ syntax::
     # been written by a user whose 'country' field is set to 'uk'
     uk_pages = Page.objects(author__country='uk')
 
+.. note::
+
+   (version **0.9.1+**) if your field name is like mongodb operator name (for example
+   type, lte, lt...) and you want to place it at the end of lookup keyword
+   mongoengine automatically  prepend $ to it. To avoid this use  __ at the end of
+   your lookup keyword. For example if your field name is ``type`` and you want to
+   query by this field you must use ``.objects(user__type__="admin")`` instead of
+   ``.objects(user__type="admin")``
 
 Query operators
 ===============
-Operators other than equality may also be used in queries; just attach the
+Operators other than equality may also be used in queries --- just attach the
 operator name to a key with a double-underscore::
 
     # Only find users whose age is 18 or less
@@ -84,19 +92,20 @@ expressions:
 Geo queries
 -----------
 
-There are a few special operators for performing geographical queries. The following
+There are a few special operators for performing geographical queries.
-were added in 0.8 for:  :class:`~mongoengine.fields.PointField`,
+The following were added in MongoEngine 0.8 for
+:class:`~mongoengine.fields.PointField`,
 :class:`~mongoengine.fields.LineStringField` and
 :class:`~mongoengine.fields.PolygonField`:
 
-* ``geo_within`` -- Check if a geometry is within a polygon.  For ease of use
+* ``geo_within`` -- check if a geometry is within a polygon. For ease of use
   it accepts either a geojson geometry or just the polygon coordinates eg::
 
         loc.objects(point__geo_within=[[[40, 5], [40, 6], [41, 6], [40, 5]]])
         loc.objects(point__geo_within={"type": "Polygon",
                                  "coordinates": [[[40, 5], [40, 6], [41, 6], [40, 5]]]})
 
-* ``geo_within_box`` - simplified geo_within searching with a box eg::
+* ``geo_within_box`` -- simplified geo_within searching with a box eg::
 
         loc.objects(point__geo_within_box=[(-125.0, 35.0), (-100.0, 40.0)])
         loc.objects(point__geo_within_box=[<bottom left coordinates>, <upper right coordinates>])
@@ -132,23 +141,22 @@ were added in 0.8 for:  :class:`~mongoengine.fields.PointField`,
         loc.objects(poly__geo_intersects={"type": "Polygon",
                                           "coordinates": [[[40, 5], [40, 6], [41, 6], [41, 5], [40, 5]]]})
 
-* ``near`` -- Find all the locations near a given point::
+* ``near`` -- find all the locations near a given point::
 
         loc.objects(point__near=[40, 5])
         loc.objects(point__near={"type": "Point", "coordinates": [40, 5]})
 
-
+  You can also set the maximum and/or the minimum distance in meters as well::
-    You can also set the maximum distance in meters as well::
 
         loc.objects(point__near=[40, 5], point__max_distance=1000)
-
+        loc.objects(point__near=[40, 5], point__min_distance=100)
 
 The older 2D indexes are still supported with the
 :class:`~mongoengine.fields.GeoPointField`:
 
 * ``within_distance`` -- provide a list containing a point and a maximum
   distance (e.g. [(41.342, -87.653), 5])
-* ``within_spherical_distance`` -- Same as above but using the spherical geo model
+* ``within_spherical_distance`` -- same as above but using the spherical geo model
   (e.g. [(41.342, -87.653), 5/earth_radius])
 * ``near`` -- order the documents by how close they are to a given point
 * ``near_sphere`` -- Same as above but using the spherical geo model
@@ -161,7 +169,8 @@ The older 2D indexes are still supported with the
 
 * ``max_distance`` -- can be added to your location queries to set a maximum
   distance.
-
+* ``min_distance`` -- can be added to your location queries to set a minimum
+  distance.
 
 Querying lists
 --------------
@@ -198,12 +207,14 @@ However, this doesn't map well to the syntax so you can also use a capital S ins
 
     Post.objects(comments__by="joe").update(inc__comments__S__votes=1)
 
-    .. note:: Due to Mongo currently the $ operator only applies to the first matched item in the query.
+.. note::
+    Due to :program:`Mongo`, currently the $ operator only applies to the
+    first matched item in the query.
 
 
 Raw queries
 -----------
-It is possible to provide a raw PyMongo query as a query parameter, which will
+It is possible to provide a raw :mod:`PyMongo` query as a query parameter, which will
 be integrated directly into the query. This is done using the ``__raw__``
 keyword argument::
 
@@ -213,12 +224,12 @@ keyword argument::
 
 Limiting and skipping results
 =============================
-Just as with traditional ORMs, you may limit the number of results returned, or
+Just as with traditional ORMs, you may limit the number of results returned or
 skip a number or results in you query.
 :meth:`~mongoengine.queryset.QuerySet.limit` and
 :meth:`~mongoengine.queryset.QuerySet.skip` and methods are available on
-:class:`~mongoengine.queryset.QuerySet` objects, but the prefered syntax for
+:class:`~mongoengine.queryset.QuerySet` objects, but the `array-slicing` syntax
-achieving this is using array-slicing syntax::
+is preferred for achieving this::
 
     # Only the first 5 people
     users = User.objects[:5]
@@ -226,7 +237,7 @@ achieving this is using array-slicing syntax::
     # All except for the first 5 people
     users = User.objects[5:]
 
-    # 5 users, starting from the 10th user found
+    # 5 users, starting from the 11th user found
     users = User.objects[10:15]
 
 You may also index the query to retrieve a single result. If an item at that
@@ -252,23 +263,17 @@ To retrieve a result that should be unique in the collection, use
 no document matches the query, and
 :class:`~mongoengine.queryset.MultipleObjectsReturned`
 if more than one document matched the query.  These exceptions are merged into
-your document defintions eg: `MyDoc.DoesNotExist`
+your document definitions eg: `MyDoc.DoesNotExist`
 
-A variation of this method exists,
+A variation of this method, get_or_create() existed, but it was unsafe. It
-:meth:`~mongoengine.queryset.Queryset.get_or_create`, that will create a new
+could not be made safe, because there are no transactions in mongoDB. Other
-document with the query arguments if no documents match the query. An
+approaches should be investigated, to ensure you don't accidentally duplicate
-additional keyword argument, :attr:`defaults` may be provided, which will be
+data when using something similar to this method. Therefore it was deprecated
-used as default values for the new document, in the case that it should need
+in 0.8 and removed in 0.10.
-to be created::
-
-    >>> a, created = User.objects.get_or_create(name='User A', defaults={'age': 30})
-    >>> b, created = User.objects.get_or_create(name='User A', defaults={'age': 40})
-    >>> a.name == b.name and a.age == b.age
-    True
 
 Default Document queries
 ========================
-By default, the objects :attr:`~mongoengine.Document.objects` attribute on a
+By default, the objects :attr:`~Document.objects` attribute on a
 document returns a :class:`~mongoengine.queryset.QuerySet` that doesn't filter
 the collection -- it returns all objects. This may be changed by defining a
 method on a document that modifies a queryset. The method should accept two
@@ -311,7 +316,7 @@ Should you want to add custom methods for interacting with or filtering
 documents, extending the :class:`~mongoengine.queryset.QuerySet` class may be
 the way to go. To use a custom :class:`~mongoengine.queryset.QuerySet` class on
 a document, set ``queryset_class`` to the custom class in a
-:class:`~mongoengine.Document`\ s ``meta`` dictionary::
+:class:`~mongoengine.Document`'s ``meta`` dictionary::
 
     class AwesomerQuerySet(QuerySet):
 
@@ -335,12 +340,19 @@ Javascript code that is executed on the database server.
 
 Counting results
 ----------------
-Just as with limiting and skipping results, there is a method on
+Just as with limiting and skipping results, there is a method on a
-:class:`~mongoengine.queryset.QuerySet` objects --
+:class:`~mongoengine.queryset.QuerySet` object --
-:meth:`~mongoengine.queryset.QuerySet.count`, but there is also a more Pythonic
+:meth:`~mongoengine.queryset.QuerySet.count`::
-way of achieving this::
 
-    num_users = len(User.objects)
+    num_users = User.objects.count()
+
+You could technically use ``len(User.objects)`` to get the same result, but it
+would be significantly slower than :meth:`~mongoengine.queryset.QuerySet.count`.
+When you execute a server-side count query, you let MongoDB do the heavy
+lifting and you receive a single integer over the wire. Meanwhile, len()
+retrieves all the results, places them in a local cache, and finally counts
+them. If we compare the performance of the two operations, len() is much slower
+than :meth:`~mongoengine.queryset.QuerySet.count`.
 
 Further aggregation
 -------------------
@@ -472,6 +484,8 @@ operators. To use a :class:`~mongoengine.queryset.Q` object, pass it in as the
 first positional argument to :attr:`Document.objects` when you filter it by
 calling it with keyword arguments::
 
+    from mongoengine.queryset.visitor import Q
+
     # Get published posts
     Post.objects(Q(published=True) | Q(publish_date__lte=datetime.now()))
 
@@ -491,11 +505,14 @@ Documents may be updated atomically by using the
 :meth:`~mongoengine.queryset.QuerySet.update_one`,
 :meth:`~mongoengine.queryset.QuerySet.update` and
 :meth:`~mongoengine.queryset.QuerySet.modify` methods on a
-:meth:`~mongoengine.queryset.QuerySet`. There are several different "modifiers"
+:class:`~mongoengine.queryset.QuerySet` or
-that you may use with these methods:
+:meth:`~mongoengine.Document.modify` and
+:meth:`~mongoengine.Document.save` (with :attr:`save_condition` argument) on a
+:class:`~mongoengine.Document`.
+There are several different "modifiers" that you may use with these methods:
 
 * ``set`` -- set a particular value
-* ``unset`` -- delete a particular value (since MongoDB v1.3+)
+* ``unset`` -- delete a particular value (since MongoDB v1.3)
 * ``inc`` -- increment a value by a given amount
 * ``dec`` -- decrement a value by a given amount
 * ``push`` -- append a value to a list
@@ -548,6 +565,15 @@ cannot use the `$` syntax in keyword arguments it has been mapped to `S`::
     >>> post.tags
     ['database', 'mongodb']
 
+From MongoDB version 2.6, push operator supports $position value which allows
+to push values with index.
+    >>> post = BlogPost(title="Test", tags=["mongo"])
+    >>> post.save()
+    >>> post.update(push__tags__0=["database", "code"])
+    >>> post.reload()
+    >>> post.tags
+    ['database', 'code', 'mongo']
+
 .. note::
     Currently only top level lists are handled, future versions of mongodb /
     pymongo plan to support nested positional operators.  See `The $ positional
@@ -590,7 +616,7 @@ Some variables are made available in the scope of the Javascript function:
 
 The following example demonstrates the intended usage of
 :meth:`~mongoengine.queryset.QuerySet.exec_js` by defining a function that sums
-over a field on a document (this functionality is already available throught
+over a field on a document (this functionality is already available through
 :meth:`~mongoengine.queryset.QuerySet.sum` but is shown here for sake of
 example)::
 

docs/guide/signals.rst

@@ -35,25 +35,25 @@ Available signals include:
   :class:`~mongoengine.EmbeddedDocument` instance has been completed.
 
 `pre_save`
-  Called within :meth:`~mongoengine.document.Document.save` prior to performing
+  Called within :meth:`~mongoengine.Document.save` prior to performing
   any actions.
 
 `pre_save_post_validation`
-  Called within :meth:`~mongoengine.document.Document.save` after validation
+  Called within :meth:`~mongoengine.Document.save` after validation
   has taken place but before saving.
 
 `post_save`
-  Called within :meth:`~mongoengine.document.Document.save` after all actions
+  Called within :meth:`~mongoengine.Document.save` after all actions
   (validation, insert/update, cascades, clearing dirty flags) have completed
   successfully.  Passed the additional boolean keyword argument `created` to
   indicate if the save was an insert or an update.
 
 `pre_delete`
-  Called within :meth:`~mongoengine.document.Document.delete` prior to
+  Called within :meth:`~mongoengine.Document.delete` prior to
   attempting the delete operation.
 
 `post_delete`
-  Called within :meth:`~mongoengine.document.Document.delete` upon successful
+  Called within :meth:`~mongoengine.Document.delete` upon successful
   deletion of the record.
 
 `pre_bulk_insert`
@@ -142,11 +142,4 @@ cleaner looking while still allowing manual execution of the callback::
         modified = DateTimeField()
 
 
-ReferenceFields and Signals
----------------------------
-
-Currently `reverse_delete_rules` do not trigger signals on the other part of
-the relationship.  If this is required you must manually handle the
-reverse deletion.
-
 .. _blinker: http://pypi.python.org/pypi/blinker

docs/guide/text-indexes.rst

@@ -17,7 +17,7 @@ Use the *$* prefix to set a text index, Look the declaration::
       meta = {'indexes': [
           {'fields': ['$title', "$content"],
            'default_language': 'english',
-           'weight': {'title': 10, 'content': 2}
+           'weights': {'title': 10, 'content': 2}
           }
       ]}
 
@@ -46,4 +46,6 @@ Next, start a text search using :attr:`QuerySet.search_text` method::
 Ordering by text score
 ======================
 
+::
+
   objects = News.objects.search('mongo').order_by('$text_score')

docs/index.rst

@@ -14,7 +14,7 @@ MongoDB. To install it, simply run
   MongoEngine.
 
 :doc:`guide/index`
-  The Full guide to MongoEngine - from modeling documents to storing files,
+  The Full guide to MongoEngine --- from modeling documents to storing files,
   from querying for data to firing signals and *everything* between.
 
 :doc:`apireference`

docs/tutorial.rst

@@ -3,11 +3,10 @@ Tutorial
 ========
 
 This tutorial introduces **MongoEngine** by means of example --- we will walk
-through how to create a simple **Tumblelog** application. A Tumblelog is a type
+through how to create a simple **Tumblelog** application. A tumblelog is a
-of blog where posts are not constrained to being conventional text-based posts.
+blog that supports mixed media content, including text, images, links, video,
-As well as text-based entries, users may post images, links, videos, etc. For
+audio, etc. For simplicity's sake, we'll stick to text, image, and link
-simplicity's sake, we'll stick to text, image and link entries in our
+entries. As the purpose of this tutorial is to introduce MongoEngine, we'll
-application. As the purpose of this tutorial is to introduce MongoEngine, we'll
 focus on the data-modelling side of the application, leaving out a user
 interface.
 
@@ -16,14 +15,14 @@ Getting started
 
 Before we start, make sure that a copy of MongoDB is running in an accessible
 location --- running it locally will be easier, but if that is not an option
-then it may be run on a remote server. If you haven't installed mongoengine,
+then it may be run on a remote server. If you haven't installed MongoEngine,
 simply use pip to install it like so::
 
     $ pip install mongoengine
 
 Before we can start using MongoEngine, we need to tell it how to connect to our
 instance of :program:`mongod`. For this we use the :func:`~mongoengine.connect`
-function. If running locally the only argument we need to provide is the name
+function. If running locally, the only argument we need to provide is the name
 of the MongoDB database to use::
 
     from mongoengine import *
@@ -39,8 +38,8 @@ Defining our documents
 MongoDB is *schemaless*, which means that no schema is enforced by the database
 --- we may add and remove fields however we want and MongoDB won't complain.
 This makes life a lot easier in many regards, especially when there is a change
-to the data model. However, defining schemata for our documents can help to
+to the data model. However, defining schemas for our documents can help to iron
-iron out bugs involving incorrect types or missing fields, and also allow us to
+out bugs involving incorrect types or missing fields, and also allow us to
 define utility methods on our documents in the same way that traditional
 :abbr:`ORMs (Object-Relational Mappers)` do.
 
@@ -65,7 +64,7 @@ which fields a :class:`User` may have, and what types of data they might store::
         first_name = StringField(max_length=50)
         last_name = StringField(max_length=50)
 
-This looks similar to how a the structure of a table would be defined in a
+This looks similar to how the structure of a table would be defined in a
 regular ORM. The key difference is that this schema will never be passed on to
 MongoDB --- this will only be enforced at the application level, making future
 changes easy to manage. Also, the User documents will be stored in a
@@ -96,7 +95,7 @@ using* the new fields we need to support video posts. This fits with the
 Object-Oriented principle of *inheritance* nicely. We can think of
 :class:`Post` as a base class, and :class:`TextPost`, :class:`ImagePost` and
 :class:`LinkPost` as subclasses of :class:`Post`. In fact, MongoEngine supports
-this kind of modelling out of the box --- all you need do is turn on inheritance
+this kind of modeling out of the box --- all you need do is turn on inheritance
 by setting :attr:`allow_inheritance` to True in the :attr:`meta`::
 
     class Post(Document):
@@ -128,8 +127,8 @@ link table, we can just store a list of tags in each post. So, for both
 efficiency and simplicity's sake, we'll store the tags as strings directly
 within the post, rather than storing references to tags in a separate
 collection. Especially as tags are generally very short (often even shorter
-than a document's id), this denormalisation won't impact very strongly on the
+than a document's id), this denormalization won't impact the size of the
-size of our database. So let's take a look that the code our modified
+database very strongly. Let's take a look at the code of our modified
 :class:`Post` class::
 
     class Post(Document):
@@ -141,7 +140,7 @@ The :class:`~mongoengine.fields.ListField` object that is used to define a Post'
 takes a field object as its first argument --- this means that you can have
 lists of any type of field (including lists).
 
-.. note:: We don't need to modify the specialised post types as they all
+.. note:: We don't need to modify the specialized post types as they all
     inherit from :class:`Post`.
 
 Comments
@@ -149,7 +148,7 @@ Comments
 
 A comment is typically associated with *one* post. In a relational database, to
 display a post with its comments, we would have to retrieve the post from the
-database, then query the database again for the comments associated with the
+database and then query the database again for the comments associated with the
 post. This works, but there is no real reason to be storing the comments
 separately from their associated posts, other than to work around the
 relational model. Using MongoDB we can store the comments as a list of
@@ -207,7 +206,10 @@ object::
         ross.last_name = 'Lawley'
         ross.save()
 
-Now that we've got our user in the database, let's add a couple of posts::
+Assign another user to a variable called ``john``, just like we did above with
+``ross``.
+
+Now that we've got our users in the database, let's add a couple of posts::
 
     post1 = TextPost(title='Fun with MongoEngine', author=john)
     post1.content = 'Took a look at MongoEngine today, looks pretty cool.'
@@ -219,8 +221,8 @@ Now that we've got our user in the database, let's add a couple of posts::
     post2.tags = ['mongoengine']
     post2.save()
 
-.. note:: If you change a field on a object that has already been saved, then
+.. note:: If you change a field on an object that has already been saved and
-    call :meth:`save` again, the document will be updated.
+    then call :meth:`save` again, the document will be updated.
 
 Accessing our data
 ==================
@@ -232,17 +234,17 @@ used to access the documents in the database collection associated with that
 class. So let's see how we can get our posts' titles::
 
     for post in Post.objects:
-        print post.title
+        print(post.title)
 
 Retrieving type-specific information
 ------------------------------------
 
-This will print the titles of our posts, one on each line. But What if we want
+This will print the titles of our posts, one on each line. But what if we want
 to access the type-specific data (link_url, content, etc.)? One way is simply
 to use the :attr:`objects` attribute of a subclass of :class:`Post`::
 
     for post in TextPost.objects:
-        print post.content
+        print(post.content)
 
 Using TextPost's :attr:`objects` attribute only returns documents that were
 created using :class:`TextPost`. Actually, there is a more general rule here:
@@ -259,16 +261,14 @@ instances of :class:`Post` --- they were instances of the subclass of
 practice::
 
     for post in Post.objects:
-        print post.title
+        print(post.title)
-        print '=' * len(post.title)
+        print('=' * len(post.title))
 
         if isinstance(post, TextPost):
-            print post.content
+            print(post.content)
 
         if isinstance(post, LinkPost):
-            print 'Link:', post.link_url
+            print('Link: {}'.format(post.link_url))
-
-        print
 
 This would print the title of each post, followed by the content if it was a
 text post, and "Link: <url>" if it was a link post.
@@ -283,7 +283,7 @@ your query.  Let's adjust our query so that only posts with the tag "mongodb"
 are returned::
 
     for post in Post.objects(tags='mongodb'):
-        print post.title
+        print(post.title)
 
 There are also methods available on :class:`~mongoengine.queryset.QuerySet`
 objects that allow different results to be returned, for example, calling
@@ -292,11 +292,11 @@ the first matched by the query you provide. Aggregation functions may also be
 used on :class:`~mongoengine.queryset.QuerySet` objects::
 
     num_posts = Post.objects(tags='mongodb').count()
-    print 'Found %d posts with tag "mongodb"' % num_posts
+    print('Found {} posts with tag "mongodb"'.format(num_posts))
 
-Learning more about mongoengine
+Learning more about MongoEngine
 -------------------------------
 
 If you got this far you've made a great start, so well done! The next step on
-your mongoengine journey is the `full user guide <guide/index.html>`_, where you
+your MongoEngine journey is the `full user guide <guide/index.html>`_, where
-can learn indepth about how to use mongoengine and mongodb.
+you can learn in-depth about how to use MongoEngine and MongoDB.

docs/upgrade.rst

@@ -2,10 +2,93 @@
 Upgrading
 #########
 
+Development
+***********
+(Fill this out whenever you introduce breaking changes to MongoEngine)
+
+0.14.0
+******
+This release includes a few bug fixes and a significant code cleanup. The most
+important change is that `QuerySet.as_pymongo` no longer supports a
+`coerce_types` mode. If you used it in the past, a) please let us know of your
+use case, b) you'll need to override `as_pymongo` to get the desired outcome.
+
+This release also makes the EmbeddedDocument not hashable by default. If you
+use embedded documents in sets or dictionaries, you might have to override
+`__hash__` and implement a hashing logic specific to your use case. See #1528
+for the reason behind this change.
+
+0.13.0
+******
+This release adds Unicode support to the `EmailField` and changes its
+structure significantly. Previously, email addresses containing Unicode
+characters didn't work at all. Starting with v0.13.0, domains with Unicode
+characters are supported out of the box, meaning some emails that previously
+didn't pass validation now do. Make sure the rest of your application can
+accept such email addresses. Additionally, if you subclassed the `EmailField`
+in your application and overrode `EmailField.EMAIL_REGEX`, you will have to
+adjust your code to override `EmailField.USER_REGEX`, `EmailField.DOMAIN_REGEX`,
+and potentially `EmailField.UTF8_USER_REGEX`.
+
+0.12.0
+******
+This release includes various fixes for the `BaseQuerySet` methods and how they
+are chained together. Since version 0.10.1 applying limit/skip/hint/batch_size
+to an already-existing queryset wouldn't modify the underlying PyMongo cursor.
+This has been fixed now, so you'll need to make sure that your code didn't rely
+on the broken implementation.
+
+Additionally, a public `BaseQuerySet.clone_into` has been renamed to a private
+`_clone_into`. If you directly used that method in your code, you'll need to
+rename its occurrences.
+
+0.11.0
+******
+This release includes a major rehaul of MongoEngine's code quality and
+introduces a few breaking changes. It also touches many different parts of
+the package and although all the changes have been tested and scrutinized,
+you're encouraged to thorougly test the upgrade.
+
+First breaking change involves renaming `ConnectionError` to `MongoEngineConnectionError`.
+If you import or catch this exception, you'll need to rename it in your code.
+
+Second breaking change drops Python v2.6 support. If you run MongoEngine on
+that Python version, you'll need to upgrade it first.
+
+Third breaking change drops an old backward compatibility measure where
+`from mongoengine.base import ErrorClass` would work on top of
+`from mongoengine.errors import ErrorClass` (where `ErrorClass` is e.g.
+`ValidationError`). If you import any exceptions from `mongoengine.base`,
+change it to `mongoengine.errors`.
+
+0.10.8
+******
+This version fixed an issue where specifying a MongoDB URI host would override
+more information than it should. These changes are minor, but they still
+subtly modify the connection logic and thus you're encouraged to test your
+MongoDB connection before shipping v0.10.8 in production.
+
+0.10.7
+******
+
+`QuerySet.aggregate_sum` and `QuerySet.aggregate_average` are dropped. Use
+`QuerySet.sum` and `QuerySet.average` instead which use the aggreation framework
+by default from now on.
+
+0.9.0
+*****
+
+The 0.8.7 package on pypi was corrupted.  If upgrading from 0.8.7 to 0.9.0 please follow: ::
+
+    pip uninstall pymongo
+    pip uninstall mongoengine
+    pip install pymongo==2.8
+    pip install mongoengine
+
 0.8.7
 *****
 
-Calling reload on deleted / nonexistant documents now raises a DoesNotExist
+Calling reload on deleted / nonexistent documents now raises a DoesNotExist
 exception.
 
 
@@ -263,7 +346,7 @@ update your code like so: ::
     [m for m in mammals]                                               # This will return all carnivores
 
 Len iterates the queryset
---------------------------
+-------------------------
 
 If you ever did `len(queryset)` it previously did a `count()` under the covers,
 this caused some unusual issues.  As `len(queryset)` is most often used by

mongoengine/__init__.py

@@ -1,26 +1,36 @@
-import document
+# Import submodules so that we can expose their __all__
-from document import *
+from mongoengine import connection
-import fields
+from mongoengine import document
-from fields import *
+from mongoengine import errors
-import connection
+from mongoengine import fields
-from connection import *
+from mongoengine import queryset
-import queryset
+from mongoengine import signals
-from queryset import *
-import signals
-from signals import *
-from errors import *
-import errors
-import django
 
-__all__ = (list(document.__all__) + fields.__all__ + connection.__all__ +
+# Import everything from each submodule so that it can be accessed via
-           list(queryset.__all__) + signals.__all__ + list(errors.__all__))
+# mongoengine, e.g. instead of `from mongoengine.connection import connect`,
+# users can simply use `from mongoengine import connect`, or even
+# `from mongoengine import *` and then `connect('testdb')`.
+from mongoengine.connection import *
+from mongoengine.document import *
+from mongoengine.errors import *
+from mongoengine.fields import *
+from mongoengine.queryset import *
+from mongoengine.signals import *
 
-VERSION = (0, 8, 7)
+
+__all__ = (list(document.__all__) + list(fields.__all__) +
+           list(connection.__all__) + list(queryset.__all__) +
+           list(signals.__all__) + list(errors.__all__))
+
+
+VERSION = (0, 14, 1)
 
 
 def get_version():
-    if isinstance(VERSION[-1], basestring):
+    """Return the VERSION as a string, e.g. for VERSION == (0, 10, 7),
-        return '.'.join(map(str, VERSION[:-1])) + VERSION[-1]
+    return '0.10.7'.
+    """
     return '.'.join(map(str, VERSION))
 
+
 __version__ = get_version()

mongoengine/base/__init__.py

@@ -1,8 +1,28 @@
+# Base module is split into several files for convenience. Files inside of
+# this module should import from a specific submodule (e.g.
+# `from mongoengine.base.document import BaseDocument`), but all of the
+# other modules should import directly from the top-level module (e.g.
+# `from mongoengine.base import BaseDocument`). This approach is cleaner and
+# also helps with cyclical import errors.
 from mongoengine.base.common import *
 from mongoengine.base.datastructures import *
 from mongoengine.base.document import *
 from mongoengine.base.fields import *
 from mongoengine.base.metaclasses import *
 
-# Help with backwards compatibility
+__all__ = (
-from mongoengine.errors import *
+    # common
+    'UPDATE_OPERATORS', '_document_registry', 'get_document',
+
+    # datastructures
+    'BaseDict', 'BaseList', 'EmbeddedDocumentList',
+
+    # document
+    'BaseDocument',
+
+    # fields
+    'BaseField', 'ComplexBaseField', 'ObjectIdField', 'GeoJsonBaseField',
+
+    # metaclasses
+    'DocumentMetaclass', 'TopLevelDocumentMetaclass'
+)

mongoengine/base/common.py

@@ -1,13 +1,18 @@
 from mongoengine.errors import NotRegistered
 
-__all__ = ('ALLOW_INHERITANCE', 'get_document', '_document_registry')
+__all__ = ('UPDATE_OPERATORS', 'get_document', '_document_registry')
+
+
+UPDATE_OPERATORS = set(['set', 'unset', 'inc', 'dec', 'pop', 'push',
+                        'push_all', 'pull', 'pull_all', 'add_to_set',
+                        'set_on_insert', 'min', 'max', 'rename'])
 
-ALLOW_INHERITANCE = False
 
 _document_registry = {}
 
 
 def get_document(name):
+    """Get a document class by name."""
     doc = _document_registry.get(name, None)
     if not doc:
         # Possible old style name

mongoengine/base/datastructures.py

@@ -1,13 +1,16 @@
-import weakref
-import functools
 import itertools
-from mongoengine.common import _import_class
+import weakref
 
-__all__ = ("BaseDict", "BaseList")
+import six
+
+from mongoengine.common import _import_class
+from mongoengine.errors import DoesNotExist, MultipleObjectsReturned
+
+__all__ = ('BaseDict', 'BaseList', 'EmbeddedDocumentList')
 
 
 class BaseDict(dict):
-    """A special dict so we can watch any changes"""
+    """A special dict so we can watch any changes."""
 
     _dereferenced = False
     _instance = None
@@ -20,7 +23,7 @@ class BaseDict(dict):
         if isinstance(instance, (Document, EmbeddedDocument)):
             self._instance = weakref.proxy(instance)
         self._name = name
-        return super(BaseDict, self).__init__(dict_items)
+        super(BaseDict, self).__init__(dict_items)
 
     def __getitem__(self, key, *args, **kwargs):
         value = super(BaseDict, self).__getitem__(key)
@@ -65,7 +68,7 @@ class BaseDict(dict):
 
     def clear(self, *args, **kwargs):
         self._mark_as_changed()
-        return super(BaseDict, self).clear(*args, **kwargs)
+        return super(BaseDict, self).clear()
 
     def pop(self, *args, **kwargs):
         self._mark_as_changed()
@@ -73,7 +76,11 @@ class BaseDict(dict):
 
     def popitem(self, *args, **kwargs):
         self._mark_as_changed()
-        return super(BaseDict, self).popitem(*args, **kwargs)
+        return super(BaseDict, self).popitem()
+
+    def setdefault(self, *args, **kwargs):
+        self._mark_as_changed()
+        return super(BaseDict, self).setdefault(*args, **kwargs)
 
     def update(self, *args, **kwargs):
         self._mark_as_changed()
@@ -88,8 +95,7 @@ class BaseDict(dict):
 
 
 class BaseList(list):
-    """A special list so we can watch any changes
+    """A special list so we can watch any changes."""
-    """
 
     _dereferenced = False
     _instance = None
@@ -102,7 +108,7 @@ class BaseList(list):
         if isinstance(instance, (Document, EmbeddedDocument)):
             self._instance = weakref.proxy(instance)
         self._name = name
-        return super(BaseList, self).__init__(list_items)
+        super(BaseList, self).__init__(list_items)
 
     def __getitem__(self, key, *args, **kwargs):
         value = super(BaseList, self).__getitem__(key)
@@ -120,6 +126,10 @@ class BaseList(list):
             value._instance = self._instance
         return value
 
+    def __iter__(self):
+        for i in six.moves.range(self.__len__()):
+            yield self[i]
+
     def __setitem__(self, key, value, *args, **kwargs):
         if isinstance(key, slice):
             self._mark_as_changed()
@@ -128,10 +138,7 @@ class BaseList(list):
         return super(BaseList, self).__setitem__(key, value)
 
     def __delitem__(self, key, *args, **kwargs):
-        if isinstance(key, slice):
         self._mark_as_changed()
-        else:
-            self._mark_as_changed(key)
         return super(BaseList, self).__delitem__(key)
 
     def __setslice__(self, *args, **kwargs):
@@ -151,6 +158,14 @@ class BaseList(list):
         self = state
         return self
 
+    def __iadd__(self, other):
+        self._mark_as_changed()
+        return super(BaseList, self).__iadd__(other)
+
+    def __imul__(self, other):
+        self._mark_as_changed()
+        return super(BaseList, self).__imul__(other)
+
     def append(self, *args, **kwargs):
         self._mark_as_changed()
         return super(BaseList, self).append(*args, **kwargs)
@@ -173,7 +188,7 @@ class BaseList(list):
 
     def reverse(self, *args, **kwargs):
         self._mark_as_changed()
-        return super(BaseList, self).reverse(*args, **kwargs)
+        return super(BaseList, self).reverse()
 
     def sort(self, *args, **kwargs):
         self._mark_as_changed()
@@ -182,34 +197,208 @@ class BaseList(list):
     def _mark_as_changed(self, key=None):
         if hasattr(self._instance, '_mark_as_changed'):
             if key:
-                self._instance._mark_as_changed('%s.%s' % (self._name, key))
+                self._instance._mark_as_changed(
+                    '%s.%s' % (self._name, key % len(self))
+                )
             else:
                 self._instance._mark_as_changed(self._name)
 
 
+class EmbeddedDocumentList(BaseList):
+
+    @classmethod
+    def __match_all(cls, embedded_doc, kwargs):
+        """Return True if a given embedded doc matches all the filter
+        kwargs. If it doesn't return False.
+        """
+        for key, expected_value in kwargs.items():
+            doc_val = getattr(embedded_doc, key)
+            if doc_val != expected_value and six.text_type(doc_val) != expected_value:
+                return False
+        return True
+
+    @classmethod
+    def __only_matches(cls, embedded_docs, kwargs):
+        """Return embedded docs that match the filter kwargs."""
+        if not kwargs:
+            return embedded_docs
+        return [doc for doc in embedded_docs if cls.__match_all(doc, kwargs)]
+
+    def __init__(self, list_items, instance, name):
+        super(EmbeddedDocumentList, self).__init__(list_items, instance, name)
+        self._instance = instance
+
+    def filter(self, **kwargs):
+        """
+        Filters the list by only including embedded documents with the
+        given keyword arguments.
+
+        :param kwargs: The keyword arguments corresponding to the fields to
+         filter on. *Multiple arguments are treated as if they are ANDed
+         together.*
+        :return: A new ``EmbeddedDocumentList`` containing the matching
+         embedded documents.
+
+        Raises ``AttributeError`` if a given keyword is not a valid field for
+        the embedded document class.
+        """
+        values = self.__only_matches(self, kwargs)
+        return EmbeddedDocumentList(values, self._instance, self._name)
+
+    def exclude(self, **kwargs):
+        """
+        Filters the list by excluding embedded documents with the given
+        keyword arguments.
+
+        :param kwargs: The keyword arguments corresponding to the fields to
+         exclude on. *Multiple arguments are treated as if they are ANDed
+         together.*
+        :return: A new ``EmbeddedDocumentList`` containing the non-matching
+         embedded documents.
+
+        Raises ``AttributeError`` if a given keyword is not a valid field for
+        the embedded document class.
+        """
+        exclude = self.__only_matches(self, kwargs)
+        values = [item for item in self if item not in exclude]
+        return EmbeddedDocumentList(values, self._instance, self._name)
+
+    def count(self):
+        """
+        The number of embedded documents in the list.
+
+        :return: The length of the list, equivalent to the result of ``len()``.
+        """
+        return len(self)
+
+    def get(self, **kwargs):
+        """
+        Retrieves an embedded document determined by the given keyword
+        arguments.
+
+        :param kwargs: The keyword arguments corresponding to the fields to
+         search on. *Multiple arguments are treated as if they are ANDed
+         together.*
+        :return: The embedded document matched by the given keyword arguments.
+
+        Raises ``DoesNotExist`` if the arguments used to query an embedded
+        document returns no results. ``MultipleObjectsReturned`` if more
+        than one result is returned.
+        """
+        values = self.__only_matches(self, kwargs)
+        if len(values) == 0:
+            raise DoesNotExist(
+                '%s matching query does not exist.' % self._name
+            )
+        elif len(values) > 1:
+            raise MultipleObjectsReturned(
+                '%d items returned, instead of 1' % len(values)
+            )
+
+        return values[0]
+
+    def first(self):
+        """Return the first embedded document in the list, or ``None``
+        if empty.
+        """
+        if len(self) > 0:
+            return self[0]
+
+    def create(self, **values):
+        """
+        Creates a new embedded document and saves it to the database.
+
+        .. note::
+            The embedded document changes are not automatically saved
+            to the database after calling this method.
+
+        :param values: A dictionary of values for the embedded document.
+        :return: The new embedded document instance.
+        """
+        name = self._name
+        EmbeddedClass = self._instance._fields[name].field.document_type_obj
+        self._instance[self._name].append(EmbeddedClass(**values))
+
+        return self._instance[self._name][-1]
+
+    def save(self, *args, **kwargs):
+        """
+        Saves the ancestor document.
+
+        :param args: Arguments passed up to the ancestor Document's save
+         method.
+        :param kwargs: Keyword arguments passed up to the ancestor Document's
+         save method.
+        """
+        self._instance.save(*args, **kwargs)
+
+    def delete(self):
+        """
+        Deletes the embedded documents from the database.
+
+        .. note::
+            The embedded document changes are not automatically saved
+            to the database after calling this method.
+
+        :return: The number of entries deleted.
+        """
+        values = list(self)
+        for item in values:
+            self._instance[self._name].remove(item)
+
+        return len(values)
+
+    def update(self, **update):
+        """
+        Updates the embedded documents with the given update values.
+
+        .. note::
+            The embedded document changes are not automatically saved
+            to the database after calling this method.
+
+        :param update: A dictionary of update values to apply to each
+         embedded document.
+        :return: The number of entries updated.
+        """
+        if len(update) == 0:
+            return 0
+        values = list(self)
+        for item in values:
+            for k, v in update.items():
+                setattr(item, k, v)
+
+        return len(values)
+
+
 class StrictDict(object):
     __slots__ = ()
     _special_fields = set(['get', 'pop', 'iteritems', 'items', 'keys', 'create'])
     _classes = {}
+
     def __init__(self, **kwargs):
         for k, v in kwargs.iteritems():
             setattr(self, k, v)
+
     def __getitem__(self, key):
         key = '_reserved_' + key if key in self._special_fields else key
         try:
             return getattr(self, key)
         except AttributeError:
             raise KeyError(key)
+
     def __setitem__(self, key, value):
         key = '_reserved_' + key if key in self._special_fields else key
         return setattr(self, key, value)
+
     def __contains__(self, key):
         return hasattr(self, key)
+
     def get(self, key, default=None):
         try:
             return self[key]
         except KeyError:
             return default
+
     def pop(self, key, default=None):
         v = self.get(key, default)
         try:
@@ -217,20 +406,30 @@ class StrictDict(object):
         except AttributeError:
             pass
         return v
+
     def iteritems(self):
         for key in self:
             yield key, self[key]
+
     def items(self):
         return [(k, self[k]) for k in iter(self)]
+
+    def iterkeys(self):
+        return iter(self)
+
     def keys(self):
         return list(iter(self))
+
     def __iter__(self):
         return (key for key in self.__slots__ if hasattr(self, key))
+
     def __len__(self):
         return len(list(self.iteritems()))
+
     def __eq__(self, other):
         return self.items() == other.items()
-    def __neq__(self, other):
+
+    def __ne__(self, other):
         return self.items() != other.items()
 
     @classmethod
@@ -240,44 +439,9 @@ class StrictDict(object):
         if allowed_keys not in cls._classes:
             class SpecificStrictDict(cls):
                 __slots__ = allowed_keys_tuple
+
                 def __repr__(self):
-                    return "{%s}" % ', '.join('"{0!s}": {0!r}'.format(k,v) for (k,v) in self.iteritems())
+                    return '{%s}' % ', '.join('"{0!s}": {1!r}'.format(k, v) for k, v in self.items())
+
             cls._classes[allowed_keys] = SpecificStrictDict
         return cls._classes[allowed_keys]
-
-
-class SemiStrictDict(StrictDict):
-    __slots__ = ('_extras')
-    _classes = {}
-    def __getattr__(self, attr):
-        try:
-            super(SemiStrictDict, self).__getattr__(attr)
-        except AttributeError:
-            try:
-                return self.__getattribute__('_extras')[attr]
-            except KeyError as e:
-                raise AttributeError(e)
-    def __setattr__(self, attr, value):
-        try:
-            super(SemiStrictDict, self).__setattr__(attr, value)
-        except AttributeError:
-            try:
-                self._extras[attr] = value
-            except AttributeError:
-                self._extras = {attr: value}
-
-    def __delattr__(self, attr):
-        try:
-            super(SemiStrictDict, self).__delattr__(attr)
-        except AttributeError:
-            try:
-                del self._extras[attr]
-            except KeyError as e:
-                raise AttributeError(e)
-
-    def __iter__(self):
-        try:
-            extras_iter = iter(self.__getattribute__('_extras'))
-        except AttributeError:
-            extras_iter = ()
-        return itertools.chain(super(SemiStrictDict, self).__iter__(), extras_iter)

mongoengine/base/fields.py

@@ -4,25 +4,25 @@ import weakref
 
 from bson import DBRef, ObjectId, SON
 import pymongo
+import six
 
+from mongoengine.base.common import UPDATE_OPERATORS
+from mongoengine.base.datastructures import (BaseDict, BaseList,
+                                             EmbeddedDocumentList)
 from mongoengine.common import _import_class
 from mongoengine.errors import ValidationError
 
-from mongoengine.base.common import ALLOW_INHERITANCE
-from mongoengine.base.datastructures import BaseDict, BaseList
 
-__all__ = ("BaseField", "ComplexBaseField",
+__all__ = ('BaseField', 'ComplexBaseField', 'ObjectIdField',
-           "ObjectIdField", "GeoJsonBaseField")
+           'GeoJsonBaseField')
 
 
 class BaseField(object):
-
     """A base class for fields in a MongoDB document. Instances of this class
     may be added to subclasses of `Document` to define a document's schema.
 
     .. versionchanged:: 0.5 - added verbose and help text
     """
-
     name = None
     _geo_index = False
     _auto_gen = False  # Call `generate` to generate a value
@@ -36,12 +36,12 @@ class BaseField(object):
 
     def __init__(self, db_field=None, name=None, required=False, default=None,
                  unique=False, unique_with=None, primary_key=False,
-                 validation=None, choices=None, verbose_name=None,
+                 validation=None, choices=None, null=False, sparse=False,
-                 help_text=None):
+                 **kwargs):
         """
         :param db_field: The database field to store this field in
             (defaults to the name of the field)
-        :param name: Depreciated - use db_field
+        :param name: Deprecated - use db_field
         :param required: If the field is required. Whether it has to have a
             value or not. Defaults to False.
         :param default: (optional) The default value for this field if no value
@@ -55,16 +55,20 @@ class BaseField(object):
             field.  Generally this is deprecated in favour of the
             `FIELD.validate` method
         :param choices: (optional) The valid choices
-        :param verbose_name: (optional)  The verbose name for the field.
+        :param null: (optional) Is the field value can be null. If no and there is a default value
-            Designed to be human readable and is often used when generating
+            then the default value is set
-            model forms from the document model.
+        :param sparse: (optional) `sparse=True` combined with `unique=True` and `required=False`
-        :param help_text: (optional) The help text for this field and is often
+            means that uniqueness won't be enforced for `None` values
-            used when generating model forms from the document model.
+        :param **kwargs: (optional) Arbitrary indirection-free metadata for
+            this field can be supplied as additional keyword arguments and
+            accessed as attributes of the field. Must not conflict with any
+            existing attributes. Common metadata includes `verbose_name` and
+            `help_text`.
         """
         self.db_field = (db_field or name) if not primary_key else '_id'
 
         if name:
-            msg = "Fields' 'name' attribute deprecated in favour of 'db_field'"
+            msg = 'Field\'s "name" attribute deprecated in favour of "db_field"'
             warnings.warn(msg, DeprecationWarning)
         self.required = required or primary_key
         self.default = default
@@ -73,8 +77,37 @@ class BaseField(object):
         self.primary_key = primary_key
         self.validation = validation
         self.choices = choices
-        self.verbose_name = verbose_name
+        self.null = null
-        self.help_text = help_text
+        self.sparse = sparse
+        self._owner_document = None
+
+        # Make sure db_field is a string (if it's explicitly defined).
+        if (
+            self.db_field is not None and
+            not isinstance(self.db_field, six.string_types)
+        ):
+            raise TypeError('db_field should be a string.')
+
+        # Make sure db_field doesn't contain any forbidden characters.
+        if isinstance(self.db_field, six.string_types) and (
+            '.' in self.db_field or
+            '\0' in self.db_field or
+            self.db_field.startswith('$')
+        ):
+            raise ValueError(
+                'field names cannot contain dots (".") or null characters '
+                '("\\0"), and they must not start with a dollar sign ("$").'
+            )
+
+        # Detect and report conflicts between metadata and base properties.
+        conflicts = set(dir(self)) & set(kwargs)
+        if conflicts:
+            raise TypeError('%s already has attribute(s): %s' % (
+                self.__class__.__name__, ', '.join(conflicts)))
+
+        # Assign metadata to the instance
+        # This efficient method is available because no __slots__ are defined.
+        self.__dict__.update(kwargs)
 
         # Adjust the appropriate creation counter, and save our local copy.
         if self.db_field == '_id':
@@ -98,9 +131,12 @@ class BaseField(object):
         """Descriptor for assigning a value to a field in a document.
         """
 
-        # If setting to None and theres a default
+        # If setting to None and there is a default
         # Then set the value to the default value
-        if value is None and self.default is not None:
+        if value is None:
+            if self.null:
+                value = None
+            elif self.default is not None:
                 value = self.default
                 if callable(value):
                     value = value()
@@ -110,7 +146,7 @@ class BaseField(object):
                 if (self.name not in instance._data or
                         instance._data[self.name] != value):
                     instance._mark_as_changed(self.name)
-            except:
+            except Exception:
                 # Values cant be compared eg: naive and tz datetimes
                 # So mark it as changed
                 instance._mark_as_changed(self.name)
@@ -118,52 +154,72 @@ class BaseField(object):
         EmbeddedDocument = _import_class('EmbeddedDocument')
         if isinstance(value, EmbeddedDocument):
             value._instance = weakref.proxy(instance)
+        elif isinstance(value, (list, tuple)):
+            for v in value:
+                if isinstance(v, EmbeddedDocument):
+                    v._instance = weakref.proxy(instance)
         instance._data[self.name] = value
 
-    def error(self, message="", errors=None, field_name=None):
+    def error(self, message='', errors=None, field_name=None):
-        """Raises a ValidationError.
+        """Raise a ValidationError."""
-        """
         field_name = field_name if field_name else self.name
         raise ValidationError(message, errors=errors, field_name=field_name)
 
     def to_python(self, value):
-        """Convert a MongoDB-compatible type to a Python type.
+        """Convert a MongoDB-compatible type to a Python type."""
-        """
         return value
 
     def to_mongo(self, value):
-        """Convert a Python type to a MongoDB-compatible type.
+        """Convert a Python type to a MongoDB-compatible type."""
-        """
         return self.to_python(value)
 
+    def _to_mongo_safe_call(self, value, use_db_field=True, fields=None):
+        """Helper method to call to_mongo with proper inputs."""
+        f_inputs = self.to_mongo.__code__.co_varnames
+        ex_vars = {}
+        if 'fields' in f_inputs:
+            ex_vars['fields'] = fields
+
+        if 'use_db_field' in f_inputs:
+            ex_vars['use_db_field'] = use_db_field
+
+        return self.to_mongo(value, **ex_vars)
+
     def prepare_query_value(self, op, value):
-        """Prepare a value that is being used in a query for PyMongo.
+        """Prepare a value that is being used in a query for PyMongo."""
-        """
+        if op in UPDATE_OPERATORS:
+            self.validate(value)
         return value
 
     def validate(self, value, clean=True):
-        """Perform validation on a value.
+        """Perform validation on a value."""
-        """
         pass
 
-    def _validate(self, value, **kwargs):
+    def _validate_choices(self, value):
         Document = _import_class('Document')
         EmbeddedDocument = _import_class('EmbeddedDocument')
-        # check choices
+
+        choice_list = self.choices
+        if isinstance(next(iter(choice_list)), (list, tuple)):
+            # next(iter) is useful for sets
+            choice_list = [k for k, _ in choice_list]
+
+        # Choices which are other types of Documents
+        if isinstance(value, (Document, EmbeddedDocument)):
+            if not any(isinstance(value, c) for c in choice_list):
+                self.error(
+                    'Value must be an instance of %s' % (
+                        six.text_type(choice_list)
+                    )
+                )
+        # Choices which are types other than Documents
+        elif value not in choice_list:
+            self.error('Value must be one of %s' % six.text_type(choice_list))
+
+    def _validate(self, value, **kwargs):
+        # Check the Choices Constraint
         if self.choices:
-            is_cls = isinstance(value, (Document, EmbeddedDocument))
+            self._validate_choices(value)
-            value_to_check = value.__class__ if is_cls else value
-            err_msg = 'an instance' if is_cls else 'one'
-            if isinstance(self.choices[0], (list, tuple)):
-                option_keys = [k for k, v in self.choices]
-                if value_to_check not in option_keys:
-                    msg = ('Value must be %s of %s' %
-                           (err_msg, unicode(option_keys)))
-                    self.error(msg)
-            elif value_to_check not in self.choices:
-                msg = ('Value must be %s of %s' %
-                       (err_msg, unicode(self.choices)))
-                self.error(msg)
 
         # check validation argument
         if self.validation is not None:
@@ -176,9 +232,19 @@ class BaseField(object):
 
         self.validate(value, **kwargs)
 
+    @property
+    def owner_document(self):
+        return self._owner_document
+
+    def _set_owner_document(self, owner_document):
+        self._owner_document = owner_document
+
+    @owner_document.setter
+    def owner_document(self, owner_document):
+        self._set_owner_document(owner_document)
+
 
 class ComplexBaseField(BaseField):
-
     """Handles complex fields, such as lists / dictionaries.
 
     Allows for nesting of embedded documents inside complex types.
@@ -191,19 +257,19 @@ class ComplexBaseField(BaseField):
     field = None
 
     def __get__(self, instance, owner):
-        """Descriptor to automatically dereference references.
+        """Descriptor to automatically dereference references."""
-        """
         if instance is None:
             # Document class being used rather than a document object
             return self
 
         ReferenceField = _import_class('ReferenceField')
         GenericReferenceField = _import_class('GenericReferenceField')
+        EmbeddedDocumentListField = _import_class('EmbeddedDocumentListField')
         dereference = (self._auto_dereference and
                        (self.field is None or isinstance(self.field,
                                                          (GenericReferenceField, ReferenceField))))
 
-        _dereference = _import_class("DeReference")()
+        _dereference = _import_class('DeReference')()
 
         self._auto_dereference = instance._fields[self.name]._auto_dereference
         if instance._initialised and dereference and instance._data.get(self.name):
@@ -215,8 +281,11 @@ class ComplexBaseField(BaseField):
         value = super(ComplexBaseField, self).__get__(instance, owner)
 
         # Convert lists / values so we can watch for any changes on them
-        if (isinstance(value, (list, tuple)) and
+        if isinstance(value, (list, tuple)):
-                not isinstance(value, BaseList)):
+            if (issubclass(type(self), EmbeddedDocumentListField) and
+                    not isinstance(value, EmbeddedDocumentList)):
+                value = EmbeddedDocumentList(value, instance, self.name)
+            elif not isinstance(value, BaseList):
                 value = BaseList(value, instance, self.name)
             instance._data[self.name] = value
         elif isinstance(value, dict) and not isinstance(value, BaseDict):
@@ -224,8 +293,8 @@ class ComplexBaseField(BaseField):
             instance._data[self.name] = value
 
         if (self._auto_dereference and instance._initialised and
-                isinstance(value, (BaseList, BaseDict))
+                isinstance(value, (BaseList, BaseDict)) and
-                and not value._dereferenced):
+                not value._dereferenced):
             value = _dereference(
                 value, max_depth=1, instance=instance, name=self.name
             )
@@ -235,11 +304,8 @@ class ComplexBaseField(BaseField):
         return value
 
     def to_python(self, value):
-        """Convert a MongoDB-compatible type to a Python type.
+        """Convert a MongoDB-compatible type to a Python type."""
-        """
+        if isinstance(value, six.string_types):
-        Document = _import_class('Document')
-
-        if isinstance(value, basestring):
             return value
 
         if hasattr(value, 'to_python'):
@@ -249,14 +315,16 @@ class ComplexBaseField(BaseField):
         if not hasattr(value, 'items'):
             try:
                 is_list = True
-                value = dict([(k, v) for k, v in enumerate(value)])
+                value = {k: v for k, v in enumerate(value)}
             except TypeError:  # Not iterable return the value
                 return value
 
         if self.field:
-            value_dict = dict([(key, self.field.to_python(item))
+            self.field._auto_dereference = self._auto_dereference
-                               for key, item in value.items()])
+            value_dict = {key: self.field.to_python(item)
+                          for key, item in value.items()}
         else:
+            Document = _import_class('Document')
             value_dict = {}
             for k, v in value.items():
                 if isinstance(v, Document):
@@ -272,27 +340,26 @@ class ComplexBaseField(BaseField):
                     value_dict[k] = self.to_python(v)
 
         if is_list:  # Convert back to a list
-            return [v for k, v in sorted(value_dict.items(),
+            return [v for _, v in sorted(value_dict.items(),
                                          key=operator.itemgetter(0))]
         return value_dict
 
-    def to_mongo(self, value):
+    def to_mongo(self, value, use_db_field=True, fields=None):
-        """Convert a Python type to a MongoDB-compatible type.
+        """Convert a Python type to a MongoDB-compatible type."""
-        """
+        Document = _import_class('Document')
-        Document = _import_class("Document")
+        EmbeddedDocument = _import_class('EmbeddedDocument')
-        EmbeddedDocument = _import_class("EmbeddedDocument")
+        GenericReferenceField = _import_class('GenericReferenceField')
-        GenericReferenceField = _import_class("GenericReferenceField")
 
-        if isinstance(value, basestring):
+        if isinstance(value, six.string_types):
             return value
 
         if hasattr(value, 'to_mongo'):
             if isinstance(value, Document):
                 return GenericReferenceField().to_mongo(value)
             cls = value.__class__
-            val = value.to_mongo()
+            val = value.to_mongo(use_db_field, fields)
-            # If we its a document thats not inherited add _cls
+            # If it's a document that is not inherited add _cls
-            if (isinstance(value, EmbeddedDocument)):
+            if isinstance(value, EmbeddedDocument):
                 val['_cls'] = cls.__name__
             return val
 
@@ -300,13 +367,15 @@ class ComplexBaseField(BaseField):
         if not hasattr(value, 'items'):
             try:
                 is_list = True
-                value = dict([(k, v) for k, v in enumerate(value)])
+                value = {k: v for k, v in enumerate(value)}
             except TypeError:  # Not iterable return the value
                 return value
 
         if self.field:
-            value_dict = dict([(key, self.field.to_mongo(item))
+            value_dict = {
-                               for key, item in value.iteritems()])
+                key: self.field._to_mongo_safe_call(item, use_db_field, fields)
+                for key, item in value.iteritems()
+            }
         else:
             value_dict = {}
             for k, v in value.iteritems():
@@ -320,9 +389,7 @@ class ComplexBaseField(BaseField):
                     # any _cls data so make it a generic reference allows
                     # us to dereference
                     meta = getattr(v, '_meta', {})
-                    allow_inheritance = (
+                    allow_inheritance = meta.get('allow_inheritance')
-                        meta.get('allow_inheritance', ALLOW_INHERITANCE)
-                        is True)
                     if not allow_inheritance and not self.field:
                         value_dict[k] = GenericReferenceField().to_mongo(v)
                     else:
@@ -330,22 +397,21 @@ class ComplexBaseField(BaseField):
                         value_dict[k] = DBRef(collection, v.pk)
                 elif hasattr(v, 'to_mongo'):
                     cls = v.__class__
-                    val = v.to_mongo()
+                    val = v.to_mongo(use_db_field, fields)
-                    # If we its a document thats not inherited add _cls
+                    # If it's a document that is not inherited add _cls
-                    if (isinstance(v, (Document, EmbeddedDocument))):
+                    if isinstance(v, (Document, EmbeddedDocument)):
                         val['_cls'] = cls.__name__
                     value_dict[k] = val
                 else:
-                    value_dict[k] = self.to_mongo(v)
+                    value_dict[k] = self.to_mongo(v, use_db_field, fields)
 
         if is_list:  # Convert back to a list
-            return [v for k, v in sorted(value_dict.items(),
+            return [v for _, v in sorted(value_dict.items(),
                                          key=operator.itemgetter(0))]
         return value_dict
 
     def validate(self, value):
-        """If field is provided ensure the value is valid.
+        """If field is provided ensure the value is valid."""
-        """
         errors = {}
         if self.field:
             if hasattr(value, 'iteritems') or hasattr(value, 'items'):
@@ -355,9 +421,9 @@ class ComplexBaseField(BaseField):
             for k, v in sequence:
                 try:
                     self.field._validate(v)
-                except ValidationError, error:
+                except ValidationError as error:
                     errors[k] = error.errors or error
-                except (ValueError, AssertionError), error:
+                except (ValueError, AssertionError) as error:
                     errors[k] = error
 
             if errors:
@@ -381,29 +447,25 @@ class ComplexBaseField(BaseField):
             self.field.owner_document = owner_document
         self._owner_document = owner_document
 
-    def _get_owner_document(self, owner_document):
-        self._owner_document = owner_document
-
-    owner_document = property(_get_owner_document, _set_owner_document)
-
 
 class ObjectIdField(BaseField):
-
+    """A field wrapper around MongoDB's ObjectIds."""
-    """A field wrapper around MongoDB's ObjectIds.
-    """
 
     def to_python(self, value):
+        try:
             if not isinstance(value, ObjectId):
                 value = ObjectId(value)
+        except Exception:
+            pass
         return value
 
     def to_mongo(self, value):
         if not isinstance(value, ObjectId):
             try:
-                return ObjectId(unicode(value))
+                return ObjectId(six.text_type(value))
-            except Exception, e:
+            except Exception as e:
                 # e.message attribute has been deprecated since Python 2.6
-                self.error(unicode(e))
+                self.error(six.text_type(e))
         return value
 
     def prepare_query_value(self, op, value):
@@ -411,33 +473,32 @@ class ObjectIdField(BaseField):
 
     def validate(self, value):
         try:
-            ObjectId(unicode(value))
+            ObjectId(six.text_type(value))
-        except:
+        except Exception:
             self.error('Invalid Object ID')
 
 
 class GeoJsonBaseField(BaseField):
-
     """A geo json field storing a geojson style object.
+
     .. versionadded:: 0.8
     """
 
     _geo_index = pymongo.GEOSPHERE
-    _type = "GeoBase"
+    _type = 'GeoBase'
 
     def __init__(self, auto_index=True, *args, **kwargs):
         """
-        :param auto_index: Automatically create a "2dsphere" index. Defaults
+        :param bool auto_index: Automatically create a '2dsphere' index.\
-            to `True`.
+            Defaults to `True`.
         """
-        self._name = "%sField" % self._type
+        self._name = '%sField' % self._type
         if not auto_index:
             self._geo_index = False
         super(GeoJsonBaseField, self).__init__(*args, **kwargs)
 
     def validate(self, value):
-        """Validate the GeoJson object based on its type
+        """Validate the GeoJson object based on its type."""
-        """
         if isinstance(value, dict):
             if set(value.keys()) == set(['type', 'coordinates']):
                 if value['type'] != self._type:
@@ -452,20 +513,20 @@ class GeoJsonBaseField(BaseField):
             self.error('%s can only accept lists of [x, y]' % self._name)
             return
 
-        validate = getattr(self, "_validate_%s" % self._type.lower())
+        validate = getattr(self, '_validate_%s' % self._type.lower())
         error = validate(value)
         if error:
             self.error(error)
 
-    def _validate_polygon(self, value):
+    def _validate_polygon(self, value, top_level=True):
         if not isinstance(value, (list, tuple)):
             return 'Polygons must contain list of linestrings'
 
         # Quick and dirty validator
         try:
             value[0][0][0]
-        except:
+        except (TypeError, IndexError):
-            return "Invalid Polygon must contain at least one valid linestring"
+            return 'Invalid Polygon must contain at least one valid linestring'
 
         errors = []
         for val in value:
@@ -475,18 +536,21 @@ class GeoJsonBaseField(BaseField):
             if error and error not in errors:
                 errors.append(error)
         if errors:
-            return "Invalid Polygon:\n%s" % ", ".join(errors)
+            if top_level:
+                return 'Invalid Polygon:\n%s' % ', '.join(errors)
+            else:
+                return '%s' % ', '.join(errors)
 
     def _validate_linestring(self, value, top_level=True):
-        """Validates a linestring"""
+        """Validate a linestring."""
         if not isinstance(value, (list, tuple)):
             return 'LineStrings must contain list of coordinate pairs'
 
         # Quick and dirty validator
         try:
             value[0][0]
-        except:
+        except (TypeError, IndexError):
-            return "Invalid LineString must contain at least one valid point"
+            return 'Invalid LineString must contain at least one valid point'
 
         errors = []
         for val in value:
@@ -495,21 +559,81 @@ class GeoJsonBaseField(BaseField):
                 errors.append(error)
         if errors:
             if top_level:
-                return "Invalid LineString:\n%s" % ", ".join(errors)
+                return 'Invalid LineString:\n%s' % ', '.join(errors)
             else:
-                return "%s" % ", ".join(errors)
+                return '%s' % ', '.join(errors)
 
     def _validate_point(self, value):
         """Validate each set of coords"""
         if not isinstance(value, (list, tuple)):
             return 'Points must be a list of coordinate pairs'
         elif not len(value) == 2:
-            return "Value (%s) must be a two-dimensional point" % repr(value)
+            return 'Value (%s) must be a two-dimensional point' % repr(value)
         elif (not isinstance(value[0], (float, int)) or
               not isinstance(value[1], (float, int))):
-            return "Both values (%s) in point must be float or int" % repr(value)
+            return 'Both values (%s) in point must be float or int' % repr(value)
+
+    def _validate_multipoint(self, value):
+        if not isinstance(value, (list, tuple)):
+            return 'MultiPoint must be a list of Point'
+
+        # Quick and dirty validator
+        try:
+            value[0][0]
+        except (TypeError, IndexError):
+            return 'Invalid MultiPoint must contain at least one valid point'
+
+        errors = []
+        for point in value:
+            error = self._validate_point(point)
+            if error and error not in errors:
+                errors.append(error)
+
+        if errors:
+            return '%s' % ', '.join(errors)
+
+    def _validate_multilinestring(self, value, top_level=True):
+        if not isinstance(value, (list, tuple)):
+            return 'MultiLineString must be a list of LineString'
+
+        # Quick and dirty validator
+        try:
+            value[0][0][0]
+        except (TypeError, IndexError):
+            return 'Invalid MultiLineString must contain at least one valid linestring'
+
+        errors = []
+        for linestring in value:
+            error = self._validate_linestring(linestring, False)
+            if error and error not in errors:
+                errors.append(error)
+
+        if errors:
+            if top_level:
+                return 'Invalid MultiLineString:\n%s' % ', '.join(errors)
+            else:
+                return '%s' % ', '.join(errors)
+
+    def _validate_multipolygon(self, value):
+        if not isinstance(value, (list, tuple)):
+            return 'MultiPolygon must be a list of Polygon'
+
+        # Quick and dirty validator
+        try:
+            value[0][0][0][0]
+        except (TypeError, IndexError):
+            return 'Invalid MultiPolygon must contain at least one valid Polygon'
+
+        errors = []
+        for polygon in value:
+            error = self._validate_polygon(polygon, False)
+            if error and error not in errors:
+                errors.append(error)
+
+        if errors:
+            return 'Invalid MultiPolygon:\n%s' % ', '.join(errors)
 
     def to_mongo(self, value):
         if isinstance(value, dict):
             return value
-        return SON([("type", self._type), ("coordinates", value)])
+        return SON([('type', self._type), ('coordinates', value)])

mongoengine/base/metaclasses.py

@@ -1,25 +1,23 @@
 import warnings
 
-import pymongo
+import six
 
+from mongoengine.base.common import _document_registry
+from mongoengine.base.fields import BaseField, ComplexBaseField, ObjectIdField
 from mongoengine.common import _import_class
 from mongoengine.errors import InvalidDocumentError
-from mongoengine.python_support import PY3
 from mongoengine.queryset import (DO_NOTHING, DoesNotExist,
                                   MultipleObjectsReturned,
-                                  QuerySet, QuerySetManager)
+                                  QuerySetManager)
 
-from mongoengine.base.common import _document_registry, ALLOW_INHERITANCE
-from mongoengine.base.fields import BaseField, ComplexBaseField, ObjectIdField
 
 __all__ = ('DocumentMetaclass', 'TopLevelDocumentMetaclass')
 
 
 class DocumentMetaclass(type):
+    """Metaclass for all documents."""
 
-    """Metaclass for all documents.
+    # TODO lower complexity of this method
-    """
-
     def __new__(cls, name, bases, attrs):
         flattened_bases = cls._get_bases(bases)
         super_new = super(DocumentMetaclass, cls).__new__
@@ -46,6 +44,12 @@ class DocumentMetaclass(type):
                 elif hasattr(base, '_meta'):
                     meta.merge(base._meta)
             attrs['_meta'] = meta
+            attrs['_meta']['abstract'] = False  # 789: EmbeddedDocument shouldn't inherit abstract
+
+        # If allow_inheritance is True, add a "_cls" string field to the attrs
+        if attrs['_meta'].get('allow_inheritance'):
+            StringField = _import_class('StringField')
+            attrs['_cls'] = StringField()
 
         # Handle document Fields
 
@@ -85,16 +89,17 @@ class DocumentMetaclass(type):
         # Ensure no duplicate db_fields
         duplicate_db_fields = [k for k, v in field_names.items() if v > 1]
         if duplicate_db_fields:
-            msg = ("Multiple db_fields defined for: %s " %
+            msg = ('Multiple db_fields defined for: %s ' %
-                   ", ".join(duplicate_db_fields))
+                   ', '.join(duplicate_db_fields))
             raise InvalidDocumentError(msg)
 
         # Set _fields and db_field maps
         attrs['_fields'] = doc_fields
-        attrs['_db_field_map'] = dict([(k, getattr(v, 'db_field', k))
+        attrs['_db_field_map'] = {k: getattr(v, 'db_field', k)
-                                       for k, v in doc_fields.iteritems()])
+                                  for k, v in doc_fields.items()}
-        attrs['_reverse_db_field_map'] = dict(
+        attrs['_reverse_db_field_map'] = {
-            (v, k) for k, v in attrs['_db_field_map'].iteritems())
+            v: k for k, v in attrs['_db_field_map'].items()
+        }
 
         attrs['_fields_ordered'] = tuple(i[1] for i in sorted(
                                          (v.creation_counter, v.name)
@@ -108,16 +113,14 @@ class DocumentMetaclass(type):
         for base in flattened_bases:
             if (not getattr(base, '_is_base_cls', True) and
                     not getattr(base, '_meta', {}).get('abstract', True)):
-                # Collate heirarchy for _cls and _subclasses
+                # Collate hierarchy for _cls and _subclasses
                 class_name.append(base.__name__)
 
             if hasattr(base, '_meta'):
                 # Warn if allow_inheritance isn't set and prevent
                 # inheritance of classes where inheritance is set to False
-                allow_inheritance = base._meta.get('allow_inheritance',
+                allow_inheritance = base._meta.get('allow_inheritance')
-                                                   ALLOW_INHERITANCE)
+                if not allow_inheritance and not base._meta.get('abstract'):
-                if (allow_inheritance is not True and
-                        not base._meta.get('abstract')):
                     raise ValueError('Document %s may not be subclassed' %
                                      base.__name__)
 
@@ -159,8 +162,8 @@ class DocumentMetaclass(type):
         # module continues to use im_func and im_self, so the code below
         # copies __func__ into im_func and __self__ into im_self for
         # classmethod objects in Document derived classes.
-        if PY3:
+        if six.PY3:
-            for key, val in new_class.__dict__.items():
+            for val in new_class.__dict__.values():
                 if isinstance(val, classmethod):
                     f = val.__get__(new_class)
                     if hasattr(f, '__func__') and not hasattr(f, 'im_func'):
@@ -171,16 +174,17 @@ class DocumentMetaclass(type):
         # Handle delete rules
         for field in new_class._fields.itervalues():
             f = field
+            if f.owner_document is None:
                 f.owner_document = new_class
             delete_rule = getattr(f, 'reverse_delete_rule', DO_NOTHING)
             if isinstance(f, CachedReferenceField):
 
                 if issubclass(new_class, EmbeddedDocument):
-                    raise InvalidDocumentError(
+                    raise InvalidDocumentError('CachedReferenceFields is not '
-                        "CachedReferenceFields is not allowed in EmbeddedDocuments")
+                                               'allowed in EmbeddedDocuments')
                 if not f.document_type:
                     raise InvalidDocumentError(
-                        "Document is not avaiable to sync")
+                        'Document is not available to sync')
 
                 if f.auto_sync:
                     f.start_listener()
@@ -192,8 +196,8 @@ class DocumentMetaclass(type):
                                       'reverse_delete_rule',
                                       DO_NOTHING)
                 if isinstance(f, DictField) and delete_rule != DO_NOTHING:
-                    msg = ("Reverse delete rules are not supported "
+                    msg = ('Reverse delete rules are not supported '
-                           "for %s (field: %s)" %
+                           'for %s (field: %s)' %
                            (field.__class__.__name__, field.name))
                     raise InvalidDocumentError(msg)
 
@@ -201,16 +205,16 @@ class DocumentMetaclass(type):
 
             if delete_rule != DO_NOTHING:
                 if issubclass(new_class, EmbeddedDocument):
-                    msg = ("Reverse delete rules are not supported for "
+                    msg = ('Reverse delete rules are not supported for '
-                           "EmbeddedDocuments (field: %s)" % field.name)
+                           'EmbeddedDocuments (field: %s)' % field.name)
                     raise InvalidDocumentError(msg)
                 f.document_type.register_delete_rule(new_class,
                                                      field.name, delete_rule)
 
             if (field.name and hasattr(Document, field.name) and
                     EmbeddedDocument not in new_class.mro()):
-                msg = ("%s is a document method and not a valid "
+                msg = ('%s is a document method and not a valid '
-                       "field name" % field.name)
+                       'field name' % field.name)
                 raise InvalidDocumentError(msg)
 
         return new_class
@@ -242,11 +246,10 @@ class DocumentMetaclass(type):
         EmbeddedDocument = _import_class('EmbeddedDocument')
         DictField = _import_class('DictField')
         CachedReferenceField = _import_class('CachedReferenceField')
-        return (Document, EmbeddedDocument, DictField, CachedReferenceField)
+        return Document, EmbeddedDocument, DictField, CachedReferenceField
 
 
 class TopLevelDocumentMetaclass(DocumentMetaclass):
-
     """Metaclass for top-level documents (i.e. documents that have their own
     collection in the database.
     """
@@ -256,7 +259,7 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
         super_new = super(TopLevelDocumentMetaclass, cls).__new__
 
         # Set default _meta data if base class, otherwise get user defined meta
-        if (attrs.get('my_metaclass') == TopLevelDocumentMetaclass):
+        if attrs.get('my_metaclass') == TopLevelDocumentMetaclass:
             # defaults
             attrs['_meta'] = {
                 'abstract': True,
@@ -269,13 +272,18 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
                 'index_drop_dups': False,
                 'index_opts': None,
                 'delete_rules': None,
+
+                # allow_inheritance can be True, False, and None. True means
+                # "allow inheritance", False means "don't allow inheritance",
+                # None means "do whatever your parent does, or don't allow
+                # inheritance if you're a top-level class".
                 'allow_inheritance': None,
             }
             attrs['_is_base_cls'] = True
             attrs['_meta'].update(attrs.get('meta', {}))
         else:
             attrs['_meta'] = attrs.get('meta', {})
-            # Explictly set abstract to false unless set
+            # Explicitly set abstract to false unless set
             attrs['_meta']['abstract'] = attrs['_meta'].get('abstract', False)
             attrs['_is_base_cls'] = False
 
@@ -290,7 +298,7 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
 
         # Clean up top level meta
         if 'meta' in attrs:
-            del(attrs['meta'])
+            del attrs['meta']
 
         # Find the parent document class
         parent_doc_cls = [b for b in flattened_bases
@@ -299,17 +307,17 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
 
         # Prevent classes setting collection different to their parents
         # If parent wasn't an abstract class
-        if (parent_doc_cls and 'collection' in attrs.get('_meta', {})
+        if (parent_doc_cls and 'collection' in attrs.get('_meta', {}) and
-                and not parent_doc_cls._meta.get('abstract', True)):
+                not parent_doc_cls._meta.get('abstract', True)):
-            msg = "Trying to set a collection on a subclass (%s)" % name
+            msg = 'Trying to set a collection on a subclass (%s)' % name
             warnings.warn(msg, SyntaxWarning)
-            del(attrs['_meta']['collection'])
+            del attrs['_meta']['collection']
 
         # Ensure abstract documents have abstract bases
         if attrs.get('_is_base_cls') or attrs['_meta'].get('abstract'):
             if (parent_doc_cls and
                     not parent_doc_cls._meta.get('abstract', False)):
-                msg = "Abstract document cannot have non-abstract base"
+                msg = 'Abstract document cannot have non-abstract base'
                 raise ValueError(msg)
             return super_new(cls, name, bases, attrs)
 
@@ -332,12 +340,16 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
 
         meta.merge(attrs.get('_meta', {}))  # Top level meta
 
-        # Only simple classes (direct subclasses of Document)
+        # Only simple classes (i.e. direct subclasses of Document) may set
-        # may set allow_inheritance to False
+        # allow_inheritance to False. If the base Document allows inheritance,
+        # none of its subclasses can override allow_inheritance to False.
         simple_class = all([b._meta.get('abstract')
                             for b in flattened_bases if hasattr(b, '_meta')])
-        if (not simple_class and meta['allow_inheritance'] is False and
+        if (
-                not meta['abstract']):
+            not simple_class and
+            meta['allow_inheritance'] is False and
+            not meta['abstract']
+        ):
             raise ValueError('Only direct subclasses of Document may set '
                              '"allow_inheritance" to False')
 
@@ -381,15 +393,17 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
         new_class._auto_id_field = getattr(parent_doc_cls,
                                            '_auto_id_field', False)
         if not new_class._meta.get('id_field'):
+            # After 0.10, find not existing names, instead of overwriting
+            id_name, id_db_name = cls.get_auto_id_names(new_class)
             new_class._auto_id_field = True
-            new_class._meta['id_field'] = 'id'
+            new_class._meta['id_field'] = id_name
-            new_class._fields['id'] = ObjectIdField(db_field='_id')
+            new_class._fields[id_name] = ObjectIdField(db_field=id_db_name)
-            new_class._fields['id'].name = 'id'
+            new_class._fields[id_name].name = id_name
-            new_class.id = new_class._fields['id']
+            new_class.id = new_class._fields[id_name]
-
+            new_class._db_field_map[id_name] = id_db_name
+            new_class._reverse_db_field_map[id_db_name] = id_name
             # Prepend id field to _fields_ordered
-        if 'id' in new_class._fields and 'id' not in new_class._fields_ordered:
+            new_class._fields_ordered = (id_name, ) + new_class._fields_ordered
-            new_class._fields_ordered = ('id', ) + new_class._fields_ordered
 
         # Merge in exceptions with parent hierarchy
         exceptions_to_merge = (DoesNotExist, MultipleObjectsReturned)
@@ -404,9 +418,22 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
 
         return new_class
 
+    @classmethod
+    def get_auto_id_names(cls, new_class):
+        id_name, id_db_name = ('id', '_id')
+        if id_name not in new_class._fields and \
+                id_db_name not in (v.db_field for v in new_class._fields.values()):
+            return id_name, id_db_name
+        id_basename, id_db_basename, i = 'auto_id', '_auto_id', 0
+        while id_name in new_class._fields or \
+                id_db_name in (v.db_field for v in new_class._fields.values()):
+            id_name = '{0}_{1}'.format(id_basename, i)
+            id_db_name = '{0}_{1}'.format(id_db_basename, i)
+            i += 1
+        return id_name, id_db_name
+
 
 class MetaDict(dict):
-
     """Custom dictionary for meta classes.
     Handles the merging of set indexes
     """
@@ -421,6 +448,5 @@ class MetaDict(dict):
 
 
 class BasesTuple(tuple):
-
     """Special class to handle introspection of bases tuple in __new__"""
     pass

mongoengine/common.py

@@ -1,4 +1,5 @@
 _class_registry_cache = {}
+_field_list_cache = []
 
 
 def _import_class(cls_name):
@@ -20,17 +21,23 @@ def _import_class(cls_name):
 
     doc_classes = ('Document', 'DynamicEmbeddedDocument', 'EmbeddedDocument',
                    'MapReduceDocument')
-    field_classes = ('DictField', 'DynamicField', 'EmbeddedDocumentField',
+
-                     'FileField', 'GenericReferenceField',
+    # Field Classes
-                     'GenericEmbeddedDocumentField', 'GeoPointField',
+    if not _field_list_cache:
-                     'PointField', 'LineStringField', 'ListField',
+        from mongoengine.fields import __all__ as fields
-                     'PolygonField', 'ReferenceField', 'StringField',
+        _field_list_cache.extend(fields)
-                     'CachedReferenceField',
+        from mongoengine.base.fields import __all__ as fields
-                     'ComplexBaseField', 'GeoJsonBaseField')
+        _field_list_cache.extend(fields)
+
+    field_classes = _field_list_cache
+
     queryset_classes = ('OperationError',)
     deref_classes = ('DeReference',)
 
-    if cls_name in doc_classes:
+    if cls_name == 'BaseDocument':
+        from mongoengine.base import document as module
+        import_classes = ['BaseDocument']
+    elif cls_name in doc_classes:
         from mongoengine import document as module
         import_classes = doc_classes
     elif cls_name in field_classes:

mongoengine/connection.py

@@ -1,15 +1,25 @@
-import pymongo
+from pymongo import MongoClient, ReadPreference, uri_parser
-from pymongo import MongoClient, MongoReplicaSetClient, uri_parser
+import six
 
+from mongoengine.python_support import IS_PYMONGO_3
 
-__all__ = ['ConnectionError', 'connect', 'register_connection',
+__all__ = ['MongoEngineConnectionError', 'connect', 'register_connection',
            'DEFAULT_CONNECTION_NAME']
 
 
 DEFAULT_CONNECTION_NAME = 'default'
 
+if IS_PYMONGO_3:
+    READ_PREFERENCE = ReadPreference.PRIMARY
+else:
+    from pymongo import MongoReplicaSetClient
+    READ_PREFERENCE = False
 
-class ConnectionError(Exception):
+
+class MongoEngineConnectionError(Exception):
+    """Error raised when the database connection can't be established or
+    when a connection with a requested alias can't be retrieved.
+    """
     pass
 
 
@@ -18,9 +28,11 @@ _connections = {}
 _dbs = {}
 
 
-def register_connection(alias, name, host=None, port=None,
+def register_connection(alias, name=None, host=None, port=None,
-                        read_preference=False,
+                        read_preference=READ_PREFERENCE,
-                        username=None, password=None, authentication_source=None,
+                        username=None, password=None,
+                        authentication_source=None,
+                        authentication_mechanism=None,
                         **kwargs):
     """Add a connection.
 
@@ -34,32 +46,66 @@ def register_connection(alias, name, host=None, port=None,
     :param username: username to authenticate with
     :param password: password to authenticate with
     :param authentication_source: database to authenticate against
-    :param kwargs: allow ad-hoc parameters to be passed into the pymongo driver
+    :param authentication_mechanism: database authentication mechanisms.
+        By default, use SCRAM-SHA-1 with MongoDB 3.0 and later,
+        MONGODB-CR (MongoDB Challenge Response protocol) for older servers.
+    :param is_mock: explicitly use mongomock for this connection
+        (can also be done by using `mongomock://` as db host prefix)
+    :param kwargs: ad-hoc parameters to be passed into the pymongo driver,
+        for example maxpoolsize, tz_aware, etc. See the documentation
+        for pymongo's `MongoClient` for a full list.
 
+    .. versionchanged:: 0.10.6 - added mongomock support
     """
-    global _connection_settings
-
     conn_settings = {
-        'name': name,
+        'name': name or 'test',
         'host': host or 'localhost',
         'port': port or 27017,
         'read_preference': read_preference,
         'username': username,
         'password': password,
-        'authentication_source': authentication_source
+        'authentication_source': authentication_source,
+        'authentication_mechanism': authentication_mechanism
     }
 
-    # Handle uri style connections
+    conn_host = conn_settings['host']
-    if "://" in conn_settings['host']:
+
-        uri_dict = uri_parser.parse_uri(conn_settings['host'])
+    # Host can be a list or a string, so if string, force to a list.
-        conn_settings.update({
+    if isinstance(conn_host, six.string_types):
-            'name': uri_dict.get('database') or name,
+        conn_host = [conn_host]
-            'username': uri_dict.get('username'),
+
-            'password': uri_dict.get('password'),
+    resolved_hosts = []
-            'read_preference': read_preference,
+    for entity in conn_host:
-        })
+
-        if "replicaSet" in conn_settings['host']:
+        # Handle Mongomock
-            conn_settings['replicaSet'] = True
+        if entity.startswith('mongomock://'):
+            conn_settings['is_mock'] = True
+            # `mongomock://` is not a valid url prefix and must be replaced by `mongodb://`
+            resolved_hosts.append(entity.replace('mongomock://', 'mongodb://', 1))
+
+        # Handle URI style connections, only updating connection params which
+        # were explicitly specified in the URI.
+        elif '://' in entity:
+            uri_dict = uri_parser.parse_uri(entity)
+            resolved_hosts.append(entity)
+
+            if uri_dict.get('database'):
+                conn_settings['name'] = uri_dict.get('database')
+
+            for param in ('read_preference', 'username', 'password'):
+                if uri_dict.get(param):
+                    conn_settings[param] = uri_dict[param]
+
+            uri_options = uri_dict['options']
+            if 'replicaset' in uri_options:
+                conn_settings['replicaSet'] = uri_options['replicaset']
+            if 'authsource' in uri_options:
+                conn_settings['authentication_source'] = uri_options['authsource']
+            if 'authmechanism' in uri_options:
+                conn_settings['authentication_mechanism'] = uri_options['authmechanism']
+        else:
+            resolved_hosts.append(entity)
+    conn_settings['host'] = resolved_hosts
 
     # Deprecated parameters that should not be passed on
     kwargs.pop('slaves', None)
@@ -70,64 +116,109 @@ def register_connection(alias, name, host=None, port=None,
 
 
 def disconnect(alias=DEFAULT_CONNECTION_NAME):
-    global _connections
+    """Close the connection with a given alias."""
-    global _dbs
-
     if alias in _connections:
-        get_connection(alias=alias).disconnect()
+        get_connection(alias=alias).close()
         del _connections[alias]
     if alias in _dbs:
         del _dbs[alias]
 
 
 def get_connection(alias=DEFAULT_CONNECTION_NAME, reconnect=False):
-    global _connections
+    """Return a connection with a given alias."""
+
     # Connect to the database if not already connected
     if reconnect:
         disconnect(alias)
 
-    if alias not in _connections:
+    # If the requested alias already exists in the _connections list, return
+    # it immediately.
+    if alias in _connections:
+        return _connections[alias]
+
+    # Validate that the requested alias exists in the _connection_settings.
+    # Raise MongoEngineConnectionError if it doesn't.
     if alias not in _connection_settings:
-            msg = 'Connection with alias "%s" has not been defined' % alias
         if alias == DEFAULT_CONNECTION_NAME:
             msg = 'You have not defined a default connection'
-            raise ConnectionError(msg)
+        else:
-        conn_settings = _connection_settings[alias].copy()
+            msg = 'Connection with alias "%s" has not been defined' % alias
+        raise MongoEngineConnectionError(msg)
 
-        conn_settings.pop('name', None)
+    def _clean_settings(settings_dict):
-        conn_settings.pop('username', None)
+        # set literal more efficient than calling set function
-        conn_settings.pop('password', None)
+        irrelevant_fields_set = {
-        conn_settings.pop('authentication_source', None)
+            'name', 'username', 'password',
+            'authentication_source', 'authentication_mechanism'
+        }
+        return {
+            k: v for k, v in settings_dict.items()
+            if k not in irrelevant_fields_set
+        }
 
+    # Retrieve a copy of the connection settings associated with the requested
+    # alias and remove the database name and authentication info (we don't
+    # care about them at this point).
+    conn_settings = _clean_settings(_connection_settings[alias].copy())
+
+    # Determine if we should use PyMongo's or mongomock's MongoClient.
+    is_mock = conn_settings.pop('is_mock', False)
+    if is_mock:
+        try:
+            import mongomock
+        except ImportError:
+            raise RuntimeError('You need mongomock installed to mock '
+                               'MongoEngine.')
+        connection_class = mongomock.MongoClient
+    else:
         connection_class = MongoClient
-        if 'replicaSet' in conn_settings:
+
+        # For replica set connections with PyMongo 2.x, use
+        # MongoReplicaSetClient.
+        # TODO remove this once we stop supporting PyMongo 2.x.
+        if 'replicaSet' in conn_settings and not IS_PYMONGO_3:
+            connection_class = MongoReplicaSetClient
             conn_settings['hosts_or_uri'] = conn_settings.pop('host', None)
+
+            # hosts_or_uri has to be a string, so if 'host' was provided
+            # as a list, join its parts and separate them by ','
+            if isinstance(conn_settings['hosts_or_uri'], list):
+                conn_settings['hosts_or_uri'] = ','.join(
+                    conn_settings['hosts_or_uri'])
+
             # Discard port since it can't be used on MongoReplicaSetClient
             conn_settings.pop('port', None)
-            # Discard replicaSet if not base string
-            if not isinstance(conn_settings['replicaSet'], basestring):
-                conn_settings.pop('replicaSet', None)
-            connection_class = MongoReplicaSetClient
 
-        try:
+    # Iterate over all of the connection settings and if a connection with
-            connection = None
+    # the same parameters is already established, use it instead of creating
-            connection_settings_iterator = ((alias, settings.copy()) for alias, settings in _connection_settings.iteritems())
+    # a new one.
-            for alias, connection_settings in connection_settings_iterator:
+    existing_connection = None
-                connection_settings.pop('name', None)
+    connection_settings_iterator = (
-                connection_settings.pop('username', None)
+        (db_alias, settings.copy())
-                connection_settings.pop('password', None)
+        for db_alias, settings in _connection_settings.items()
-                if conn_settings == connection_settings and _connections.get(alias, None):
+    )
-                    connection = _connections[alias]
+    for db_alias, connection_settings in connection_settings_iterator:
+        connection_settings = _clean_settings(connection_settings)
+        if conn_settings == connection_settings and _connections.get(db_alias):
+            existing_connection = _connections[db_alias]
             break
 
-            _connections[alias] = connection if connection else connection_class(**conn_settings)
+    # If an existing connection was found, assign it to the new alias
-        except Exception, e:
+    if existing_connection:
-            raise ConnectionError("Cannot connect to database %s :\n%s" % (alias, e))
+        _connections[alias] = existing_connection
+    else:
+        # Otherwise, create the new connection for this alias. Raise
+        # MongoEngineConnectionError if it can't be established.
+        try:
+            _connections[alias] = connection_class(**conn_settings)
+        except Exception as e:
+            raise MongoEngineConnectionError(
+                'Cannot connect to database %s :\n%s' % (alias, e))
+
     return _connections[alias]
 
 
 def get_db(alias=DEFAULT_CONNECTION_NAME, reconnect=False):
-    global _dbs
     if reconnect:
         disconnect(alias)
 
@@ -135,16 +226,18 @@ def get_db(alias=DEFAULT_CONNECTION_NAME, reconnect=False):
         conn = get_connection(alias)
         conn_settings = _connection_settings[alias]
         db = conn[conn_settings['name']]
+        auth_kwargs = {'source': conn_settings['authentication_source']}
+        if conn_settings['authentication_mechanism'] is not None:
+            auth_kwargs['mechanism'] = conn_settings['authentication_mechanism']
         # Authenticate if necessary
-        if conn_settings['username'] and conn_settings['password']:
+        if conn_settings['username'] and (conn_settings['password'] or
-            db.authenticate(conn_settings['username'],
+                                          conn_settings['authentication_mechanism'] == 'MONGODB-X509'):
-                            conn_settings['password'],
+            db.authenticate(conn_settings['username'], conn_settings['password'], **auth_kwargs)
-                            source=conn_settings['authentication_source'])
         _dbs[alias] = db
     return _dbs[alias]
 
 
-def connect(db, alias=DEFAULT_CONNECTION_NAME, **kwargs):
+def connect(db=None, alias=DEFAULT_CONNECTION_NAME, **kwargs):
     """Connect to the database specified by the 'db' argument.
 
     Connection settings may be provided here as well if the database is not
@@ -154,9 +247,11 @@ def connect(db, alias=DEFAULT_CONNECTION_NAME, **kwargs):
     Multiple databases are supported by using aliases. Provide a separate
     `alias` to connect to a different instance of :program:`mongod`.
 
+    See the docstring for `register_connection` for more details about all
+    supported kwargs.
+
     .. versionchanged:: 0.6 - added multiple database support.
     """
-    global _connections
     if alias not in _connections:
         register_connection(alias, db, **kwargs)
 

mongoengine/context_managers.py

@@ -2,8 +2,8 @@ from mongoengine.common import _import_class
 from mongoengine.connection import DEFAULT_CONNECTION_NAME, get_db
 
 
-__all__ = ("switch_db", "switch_collection", "no_dereference",
+__all__ = ('switch_db', 'switch_collection', 'no_dereference',
-           "no_sub_classes", "query_counter")
+           'no_sub_classes', 'query_counter')
 
 
 class switch_db(object):
@@ -18,11 +18,10 @@ class switch_db(object):
         class Group(Document):
             name = StringField()
 
-        Group(name="test").save()  # Saves in the default db
+        Group(name='test').save()  # Saves in the default db
 
         with switch_db(Group, 'testdb-1') as Group:
-            Group(name="hello testdb!").save()  # Saves in testdb-1
+            Group(name='hello testdb!').save()  # Saves in testdb-1
-
     """
 
     def __init__(self, cls, db_alias):
@@ -34,17 +33,17 @@ class switch_db(object):
         self.cls = cls
         self.collection = cls._get_collection()
         self.db_alias = db_alias
-        self.ori_db_alias = cls._meta.get("db_alias", DEFAULT_CONNECTION_NAME)
+        self.ori_db_alias = cls._meta.get('db_alias', DEFAULT_CONNECTION_NAME)
 
     def __enter__(self):
-        """ change the db_alias and clear the cached collection """
+        """Change the db_alias and clear the cached collection."""
-        self.cls._meta["db_alias"] = self.db_alias
+        self.cls._meta['db_alias'] = self.db_alias
         self.cls._collection = None
         return self.cls
 
     def __exit__(self, t, value, traceback):
-        """ Reset the db_alias and collection """
+        """Reset the db_alias and collection."""
-        self.cls._meta["db_alias"] = self.ori_db_alias
+        self.cls._meta['db_alias'] = self.ori_db_alias
         self.cls._collection = self.collection
 
 
@@ -56,15 +55,14 @@ class switch_collection(object):
         class Group(Document):
             name = StringField()
 
-        Group(name="test").save()  # Saves in the default db
+        Group(name='test').save()  # Saves in the default db
 
         with switch_collection(Group, 'group1') as Group:
-            Group(name="hello testdb!").save()  # Saves in group1 collection
+            Group(name='hello testdb!').save()  # Saves in group1 collection
-
     """
 
     def __init__(self, cls, collection_name):
-        """ Construct the switch_collection context manager
+        """Construct the switch_collection context manager.
 
         :param cls: the class to change the registered db
         :param collection_name: the name of the collection to use
@@ -75,7 +73,7 @@ class switch_collection(object):
         self.collection_name = collection_name
 
     def __enter__(self):
-        """ change the _get_collection_name and clear the cached collection """
+        """Change the _get_collection_name and clear the cached collection."""
 
         @classmethod
         def _get_collection_name(cls):
@@ -86,7 +84,7 @@ class switch_collection(object):
         return self.cls
 
     def __exit__(self, t, value, traceback):
-        """ Reset the collection """
+        """Reset the collection."""
         self.cls._collection = self.ori_collection
         self.cls._get_collection_name = self.ori_get_collection_name
 
@@ -99,7 +97,6 @@ class no_dereference(object):
 
         with no_dereference(Group) as Group:
             Group.objects.find()
-
     """
 
     def __init__(self, cls):
@@ -119,13 +116,13 @@ class no_dereference(object):
                                                ComplexBaseField))]
 
     def __enter__(self):
-        """ change the objects default and _auto_dereference values"""
+        """Change the objects default and _auto_dereference values."""
         for field in self.deref_fields:
             self.cls._fields[field]._auto_dereference = False
         return self.cls
 
     def __exit__(self, t, value, traceback):
-        """ Reset the default and _auto_dereference values"""
+        """Reset the default and _auto_dereference values."""
         for field in self.deref_fields:
             self.cls._fields[field]._auto_dereference = True
         return self.cls
@@ -138,7 +135,6 @@ class no_sub_classes(object):
 
         with no_sub_classes(Group) as Group:
             Group.objects.find()
-
     """
 
     def __init__(self, cls):
@@ -149,13 +145,13 @@ class no_sub_classes(object):
         self.cls = cls
 
     def __enter__(self):
-        """ change the objects default and _auto_dereference values"""
+        """Change the objects default and _auto_dereference values."""
         self.cls._all_subclasses = self.cls._subclasses
         self.cls._subclasses = (self.cls,)
         return self.cls
 
     def __exit__(self, t, value, traceback):
-        """ Reset the default and _auto_dereference values"""
+        """Reset the default and _auto_dereference values."""
         self.cls._subclasses = self.cls._all_subclasses
         delattr(self.cls, '_all_subclasses')
         return self.cls
@@ -215,7 +211,7 @@ class query_counter(object):
 
     def _get_count(self):
         """Get the number of queries."""
-        ignore_query = {"ns": {"$ne": "%s.system.indexes" % self.db.name}}
+        ignore_query = {'ns': {'$ne': '%s.system.indexes' % self.db.name}}
         count = self.db.system.profile.find(ignore_query).count() - self.counter
         self.counter += 1
         return count

mongoengine/dereference.py

@@ -1,14 +1,15 @@
 from bson import DBRef, SON
+import six
 
-from base import (BaseDict, BaseList, TopLevelDocumentMetaclass, get_document)
+from mongoengine.base import (BaseDict, BaseList, EmbeddedDocumentList,
-from fields import (ReferenceField, ListField, DictField, MapField)
+                              TopLevelDocumentMetaclass, get_document)
-from connection import get_db
+from mongoengine.connection import get_db
-from queryset import QuerySet
+from mongoengine.document import Document, EmbeddedDocument
-from document import Document, EmbeddedDocument
+from mongoengine.fields import DictField, ListField, MapField, ReferenceField
+from mongoengine.queryset import QuerySet
 
 
 class DeReference(object):
-
     def __call__(self, items, max_depth=1, instance=None, name=None):
         """
         Cheaply dereferences the items to a set depth.
@@ -22,7 +23,7 @@ class DeReference(object):
             :class:`~mongoengine.base.ComplexBaseField`
         :param get: A boolean determining if being called by __get__
         """
-        if items is None or isinstance(items, basestring):
+        if items is None or isinstance(items, six.string_types):
             return items
 
         # cheapest way to convert a queryset to a list
@@ -46,8 +47,8 @@ class DeReference(object):
 
                 if is_list and all([i.__class__ == doc_type for i in items]):
                     return items
-                elif not is_list and all([i.__class__ == doc_type
+                elif not is_list and all(
-                                         for i in items.values()]):
+                        [i.__class__ == doc_type for i in items.values()]):
                     return items
                 elif not field.dbref:
                     if not hasattr(items, 'items'):
@@ -65,11 +66,11 @@ class DeReference(object):
 
                         items = _get_items(items)
                     else:
-                        items = dict([
+                        items = {
-                            (k, field.to_python(v))
+                            k: (v if isinstance(v, (DBRef, Document))
-                            if not isinstance(v, (DBRef, Document)) else (k, v)
+                                else field.to_python(v))
-                            for k, v in items.iteritems()]
+                            for k, v in items.iteritems()
-                        )
+                        }
 
         self.reference_map = self._find_references(items)
         self.object_map = self._fetch_objects(doc_type=doc_type)
@@ -87,36 +88,36 @@ class DeReference(object):
             return reference_map
 
         # Determine the iterator to use
-        if not hasattr(items, 'items'):
+        if isinstance(items, dict):
-            iterator = enumerate(items)
+            iterator = items.values()
         else:
-            iterator = items.iteritems()
+            iterator = items
 
         # Recursively find dbreferences
         depth += 1
-        for k, item in iterator:
+        for item in iterator:
             if isinstance(item, (Document, EmbeddedDocument)):
                 for field_name, field in item._fields.iteritems():
                     v = item._data.get(field_name, None)
-                    if isinstance(v, (DBRef)):
+                    if isinstance(v, DBRef):
-                        reference_map.setdefault(field.document_type, []).append(v.id)
+                        reference_map.setdefault(field.document_type, set()).add(v.id)
                     elif isinstance(v, (dict, SON)) and '_ref' in v:
-                        reference_map.setdefault(get_document(v['_cls']), []).append(v['_ref'].id)
+                        reference_map.setdefault(get_document(v['_cls']), set()).add(v['_ref'].id)
                     elif isinstance(v, (dict, list, tuple)) and depth <= self.max_depth:
                         field_cls = getattr(getattr(field, 'field', None), 'document_type', None)
                         references = self._find_references(v, depth)
                         for key, refs in references.iteritems():
                             if isinstance(field_cls, (Document, TopLevelDocumentMetaclass)):
                                 key = field_cls
-                            reference_map.setdefault(key, []).extend(refs)
+                            reference_map.setdefault(key, set()).update(refs)
-            elif isinstance(item, (DBRef)):
+            elif isinstance(item, DBRef):
-                reference_map.setdefault(item.collection, []).append(item.id)
+                reference_map.setdefault(item.collection, set()).add(item.id)
             elif isinstance(item, (dict, SON)) and '_ref' in item:
-                reference_map.setdefault(get_document(item['_cls']), []).append(item['_ref'].id)
+                reference_map.setdefault(get_document(item['_cls']), set()).add(item['_ref'].id)
             elif isinstance(item, (dict, list, tuple)) and depth - 1 <= self.max_depth:
                 references = self._find_references(item, depth - 1)
                 for key, refs in references.iteritems():
-                    reference_map.setdefault(key, []).extend(refs)
+                    reference_map.setdefault(key, set()).update(refs)
 
         return reference_map
 
@@ -125,33 +126,37 @@ class DeReference(object):
         """
         object_map = {}
         for collection, dbrefs in self.reference_map.iteritems():
-            keys = object_map.keys()
-            refs = list(set([dbref for dbref in dbrefs if unicode(dbref).encode('utf-8') not in keys]))
             if hasattr(collection, 'objects'):  # We have a document class for the refs
+                col_name = collection._get_collection_name()
+                refs = [dbref for dbref in dbrefs
+                        if (col_name, dbref) not in object_map]
                 references = collection.objects.in_bulk(refs)
                 for key, doc in references.iteritems():
-                    object_map[key] = doc
+                    object_map[(col_name, key)] = doc
             else:  # Generic reference: use the refs data to convert to document
                 if isinstance(doc_type, (ListField, DictField, MapField,)):
                     continue
 
+                refs = [dbref for dbref in dbrefs
+                        if (collection, dbref) not in object_map]
+
                 if doc_type:
                     references = doc_type._get_db()[collection].find({'_id': {'$in': refs}})
                     for ref in references:
                         doc = doc_type._from_son(ref)
-                        object_map[doc.id] = doc
+                        object_map[(collection, doc.id)] = doc
                 else:
                     references = get_db()[collection].find({'_id': {'$in': refs}})
                     for ref in references:
                         if '_cls' in ref:
-                            doc = get_document(ref["_cls"])._from_son(ref)
+                            doc = get_document(ref['_cls'])._from_son(ref)
                         elif doc_type is None:
                             doc = get_document(
                                 ''.join(x.capitalize()
                                         for x in collection.split('_')))._from_son(ref)
                         else:
                             doc = doc_type._from_son(ref)
-                        object_map[doc.id] = doc
+                        object_map[(collection, doc.id)] = doc
         return object_map
 
     def _attach_objects(self, items, depth=0, instance=None, name=None):
@@ -177,14 +182,22 @@ class DeReference(object):
 
         if isinstance(items, (dict, SON)):
             if '_ref' in items:
-                return self.object_map.get(items['_ref'].id, items)
+                return self.object_map.get(
+                    (items['_ref'].collection, items['_ref'].id), items)
             elif '_cls' in items:
                 doc = get_document(items['_cls'])._from_son(items)
+                _cls = doc._data.pop('_cls', None)
+                del items['_cls']
                 doc._data = self._attach_objects(doc._data, depth, doc, None)
+                if _cls is not None:
+                    doc._data['_cls'] = _cls
                 return doc
 
         if not hasattr(items, 'items'):
             is_list = True
+            list_type = BaseList
+            if isinstance(items, EmbeddedDocumentList):
+                list_type = EmbeddedDocumentList
             as_tuple = isinstance(items, tuple)
             iterator = enumerate(items)
             data = []
@@ -203,25 +216,26 @@ class DeReference(object):
             if k in self.object_map and not is_list:
                 data[k] = self.object_map[k]
             elif isinstance(v, (Document, EmbeddedDocument)):
-                for field_name, field in v._fields.iteritems():
+                for field_name in v._fields:
                     v = data[k]._data.get(field_name, None)
-                    if isinstance(v, (DBRef)):
+                    if isinstance(v, DBRef):
-                        data[k]._data[field_name] = self.object_map.get(v.id, v)
+                        data[k]._data[field_name] = self.object_map.get(
+                            (v.collection, v.id), v)
                     elif isinstance(v, (dict, SON)) and '_ref' in v:
-                        data[k]._data[field_name] = self.object_map.get(v['_ref'].id, v)
+                        data[k]._data[field_name] = self.object_map.get(
-                    elif isinstance(v, dict) and depth <= self.max_depth:
+                            (v['_ref'].collection, v['_ref'].id), v)
-                        data[k]._data[field_name] = self._attach_objects(v, depth, instance=instance, name=name)
+                    elif isinstance(v, (dict, list, tuple)) and depth <= self.max_depth:
-                    elif isinstance(v, (list, tuple)) and depth <= self.max_depth:
+                        item_name = six.text_type('{0}.{1}.{2}').format(name, k, field_name)
-                        data[k]._data[field_name] = self._attach_objects(v, depth, instance=instance, name=name)
+                        data[k]._data[field_name] = self._attach_objects(v, depth, instance=instance, name=item_name)
             elif isinstance(v, (dict, list, tuple)) and depth <= self.max_depth:
                 item_name = '%s.%s' % (name, k) if name else name
                 data[k] = self._attach_objects(v, depth - 1, instance=instance, name=item_name)
             elif hasattr(v, 'id'):
-                data[k] = self.object_map.get(v.id, v)
+                data[k] = self.object_map.get((v.collection, v.id), v)
 
         if instance and name:
             if is_list:
-                return tuple(data) if as_tuple else BaseList(data, instance, name)
+                return tuple(data) if as_tuple else list_type(data, instance, name)
             return BaseDict(data, instance, name)
         depth += 1
         return data

mongoengine/django/auth.py

@@ -1,412 +0,0 @@
-from mongoengine import *
-
-from django.utils.encoding import smart_str
-from django.contrib.auth.models import _user_has_perm, _user_get_all_permissions, _user_has_module_perms
-from django.db import models
-from django.contrib.contenttypes.models import ContentTypeManager
-from django.contrib import auth
-from django.contrib.auth.models import AnonymousUser
-from django.utils.translation import ugettext_lazy as _
-
-from .utils import datetime_now
-
-REDIRECT_FIELD_NAME = 'next'
-
-try:
-    from django.contrib.auth.hashers import check_password, make_password
-except ImportError:
-    """Handle older versions of Django"""
-    from django.utils.hashcompat import md5_constructor, sha_constructor
-
-    def get_hexdigest(algorithm, salt, raw_password):
-        raw_password, salt = smart_str(raw_password), smart_str(salt)
-        if algorithm == 'md5':
-            return md5_constructor(salt + raw_password).hexdigest()
-        elif algorithm == 'sha1':
-            return sha_constructor(salt + raw_password).hexdigest()
-        raise ValueError('Got unknown password algorithm type in password')
-
-    def check_password(raw_password, password):
-        algo, salt, hash = password.split('$')
-        return hash == get_hexdigest(algo, salt, raw_password)
-
-    def make_password(raw_password):
-        from random import random
-        algo = 'sha1'
-        salt = get_hexdigest(algo, str(random()), str(random()))[:5]
-        hash = get_hexdigest(algo, salt, raw_password)
-        return '%s$%s$%s' % (algo, salt, hash)
-
-
-class ContentType(Document):
-    name = StringField(max_length=100)
-    app_label = StringField(max_length=100)
-    model = StringField(max_length=100, verbose_name=_('python model class name'),
-                        unique_with='app_label')
-    objects = ContentTypeManager()
-
-    class Meta:
-        verbose_name = _('content type')
-        verbose_name_plural = _('content types')
-        # db_table = 'django_content_type'
-        # ordering = ('name',)
-        # unique_together = (('app_label', 'model'),)
-
-    def __unicode__(self):
-        return self.name
-
-    def model_class(self):
-        "Returns the Python model class for this type of content."
-        from django.db import models
-        return models.get_model(self.app_label, self.model)
-
-    def get_object_for_this_type(self, **kwargs):
-        """
-        Returns an object of this type for the keyword arguments given.
-        Basically, this is a proxy around this object_type's get_object() model
-        method. The ObjectNotExist exception, if thrown, will not be caught,
-        so code that calls this method should catch it.
-        """
-        return self.model_class()._default_manager.using(self._state.db).get(**kwargs)
-
-    def natural_key(self):
-        return (self.app_label, self.model)
-
-
-class SiteProfileNotAvailable(Exception):
-    pass
-
-
-class PermissionManager(models.Manager):
-    def get_by_natural_key(self, codename, app_label, model):
-        return self.get(
-            codename=codename,
-            content_type=ContentType.objects.get_by_natural_key(app_label, model)
-        )
-
-
-class Permission(Document):
-    """The permissions system provides a way to assign permissions to specific
-    users and groups of users.
-
-    The permission system is used by the Django admin site, but may also be
-    useful in your own code. The Django admin site uses permissions as follows:
-
-        - The "add" permission limits the user's ability to view the "add"
-          form and add an object.
-        - The "change" permission limits a user's ability to view the change
-          list, view the "change" form and change an object.
-        - The "delete" permission limits the ability to delete an object.
-
-    Permissions are set globally per type of object, not per specific object
-    instance. It is possible to say "Mary may change news stories," but it's
-    not currently possible to say "Mary may change news stories, but only the
-    ones she created herself" or "Mary may only change news stories that have
-    a certain status or publication date."
-
-    Three basic permissions -- add, change and delete -- are automatically
-    created for each Django model.
-    """
-    name = StringField(max_length=50, verbose_name=_('username'))
-    content_type = ReferenceField(ContentType)
-    codename = StringField(max_length=100, verbose_name=_('codename'))
-        # FIXME: don't access field of the other class
-        # unique_with=['content_type__app_label', 'content_type__model'])
-
-    objects = PermissionManager()
-
-    class Meta:
-        verbose_name = _('permission')
-        verbose_name_plural = _('permissions')
-        # unique_together = (('content_type', 'codename'),)
-        # ordering = ('content_type__app_label', 'content_type__model', 'codename')
-
-    def __unicode__(self):
-        return u"%s | %s | %s" % (
-            unicode(self.content_type.app_label),
-            unicode(self.content_type),
-            unicode(self.name))
-
-    def natural_key(self):
-        return (self.codename,) + self.content_type.natural_key()
-    natural_key.dependencies = ['contenttypes.contenttype']
-
-
-class Group(Document):
-    """Groups are a generic way of categorizing users to apply permissions,
-    or some other label, to those users. A user can belong to any number of
-    groups.
-
-    A user in a group automatically has all the permissions granted to that
-    group. For example, if the group Site editors has the permission
-    can_edit_home_page, any user in that group will have that permission.
-
-    Beyond permissions, groups are a convenient way to categorize users to
-    apply some label, or extended functionality, to them. For example, you
-    could create a group 'Special users', and you could write code that would
-    do special things to those users -- such as giving them access to a
-    members-only portion of your site, or sending them members-only
-    e-mail messages.
-    """
-    name = StringField(max_length=80, unique=True, verbose_name=_('name'))
-    permissions = ListField(ReferenceField(Permission, verbose_name=_('permissions'), required=False))
-
-    class Meta:
-        verbose_name = _('group')
-        verbose_name_plural = _('groups')
-
-    def __unicode__(self):
-        return self.name
-
-
-class UserManager(models.Manager):
-    def create_user(self, username, email, password=None):
-        """
-        Creates and saves a User with the given username, e-mail and password.
-        """
-        now = datetime_now()
-
-        # Normalize the address by lowercasing the domain part of the email
-        # address.
-        try:
-            email_name, domain_part = email.strip().split('@', 1)
-        except ValueError:
-            pass
-        else:
-            email = '@'.join([email_name, domain_part.lower()])
-
-        user = self.model(username=username, email=email, is_staff=False,
-                          is_active=True, is_superuser=False, last_login=now,
-                          date_joined=now)
-
-        user.set_password(password)
-        user.save(using=self._db)
-        return user
-
-    def create_superuser(self, username, email, password):
-        u = self.create_user(username, email, password)
-        u.is_staff = True
-        u.is_active = True
-        u.is_superuser = True
-        u.save(using=self._db)
-        return u
-
-    def make_random_password(self, length=10, allowed_chars='abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789'):
-        "Generates a random password with the given length and given allowed_chars"
-        # Note that default value of allowed_chars does not have "I" or letters
-        # that look like it -- just to avoid confusion.
-        from random import choice
-        return ''.join([choice(allowed_chars) for i in range(length)])
-
-
-class User(Document):
-    """A User document that aims to mirror most of the API specified by Django
-    at http://docs.djangoproject.com/en/dev/topics/auth/#users
-    """
-    username = StringField(max_length=30, required=True,
-                           verbose_name=_('username'),
-                           help_text=_("Required. 30 characters or fewer. Letters, numbers and @/./+/-/_ characters"))
-
-    first_name = StringField(max_length=30,
-                             verbose_name=_('first name'))
-
-    last_name = StringField(max_length=30,
-                            verbose_name=_('last name'))
-    email = EmailField(verbose_name=_('e-mail address'))
-    password = StringField(max_length=128,
-                           verbose_name=_('password'),
-                           help_text=_("Use '[algo]$[iterations]$[salt]$[hexdigest]' or use the <a href=\"password/\">change password form</a>."))
-    is_staff = BooleanField(default=False,
-                            verbose_name=_('staff status'),
-                            help_text=_("Designates whether the user can log into this admin site."))
-    is_active = BooleanField(default=True,
-                             verbose_name=_('active'),
-                             help_text=_("Designates whether this user should be treated as active. Unselect this instead of deleting accounts."))
-    is_superuser = BooleanField(default=False,
-                                verbose_name=_('superuser status'),
-                                help_text=_("Designates that this user has all permissions without explicitly assigning them."))
-    last_login = DateTimeField(default=datetime_now,
-                               verbose_name=_('last login'))
-    date_joined = DateTimeField(default=datetime_now,
-                                verbose_name=_('date joined'))
-
-    user_permissions = ListField(ReferenceField(Permission), verbose_name=_('user permissions'),
-                                                help_text=_('Permissions for the user.'))
-
-    USERNAME_FIELD = 'username'
-    REQUIRED_FIELDS = ['email']
-
-    meta = {
-        'allow_inheritance': True,
-        'indexes': [
-            {'fields': ['username'], 'unique': True, 'sparse': True}
-        ]
-    }
-
-    def __unicode__(self):
-        return self.username
-
-    def get_full_name(self):
-        """Returns the users first and last names, separated by a space.
-        """
-        full_name = u'%s %s' % (self.first_name or '', self.last_name or '')
-        return full_name.strip()
-
-    def is_anonymous(self):
-        return False
-
-    def is_authenticated(self):
-        return True
-
-    def set_password(self, raw_password):
-        """Sets the user's password - always use this rather than directly
-        assigning to :attr:`~mongoengine.django.auth.User.password` as the
-        password is hashed before storage.
-        """
-        self.password = make_password(raw_password)
-        self.save()
-        return self
-
-    def check_password(self, raw_password):
-        """Checks the user's password against a provided password - always use
-        this rather than directly comparing to
-        :attr:`~mongoengine.django.auth.User.password` as the password is
-        hashed before storage.
-        """
-        return check_password(raw_password, self.password)
-
-    @classmethod
-    def create_user(cls, username, password, email=None):
-        """Create (and save) a new user with the given username, password and
-        email address.
-        """
-        now = datetime_now()
-
-        # Normalize the address by lowercasing the domain part of the email
-        # address.
-        if email is not None:
-            try:
-                email_name, domain_part = email.strip().split('@', 1)
-            except ValueError:
-                pass
-            else:
-                email = '@'.join([email_name, domain_part.lower()])
-
-        user = cls(username=username, email=email, date_joined=now)
-        user.set_password(password)
-        user.save()
-        return user
-
-    def get_group_permissions(self, obj=None):
-        """
-        Returns a list of permission strings that this user has through his/her
-        groups. This method queries all available auth backends. If an object
-        is passed in, only permissions matching this object are returned.
-        """
-        permissions = set()
-        for backend in auth.get_backends():
-            if hasattr(backend, "get_group_permissions"):
-                permissions.update(backend.get_group_permissions(self, obj))
-        return permissions
-
-    def get_all_permissions(self, obj=None):
-        return _user_get_all_permissions(self, obj)
-
-    def has_perm(self, perm, obj=None):
-        """
-        Returns True if the user has the specified permission. This method
-        queries all available auth backends, but returns immediately if any
-        backend returns True. Thus, a user who has permission from a single
-        auth backend is assumed to have permission in general. If an object is
-        provided, permissions for this specific object are checked.
-        """
-
-        # Active superusers have all permissions.
-        if self.is_active and self.is_superuser:
-            return True
-
-        # Otherwise we need to check the backends.
-        return _user_has_perm(self, perm, obj)
-
-    def has_module_perms(self, app_label):
-        """
-        Returns True if the user has any permissions in the given app label.
-        Uses pretty much the same logic as has_perm, above.
-        """
-        # Active superusers have all permissions.
-        if self.is_active and self.is_superuser:
-            return True
-
-        return _user_has_module_perms(self, app_label)
-
-    def email_user(self, subject, message, from_email=None):
-        "Sends an e-mail to this User."
-        from django.core.mail import send_mail
-        send_mail(subject, message, from_email, [self.email])
-
-    def get_profile(self):
-        """
-        Returns site-specific profile for this user. Raises
-        SiteProfileNotAvailable if this site does not allow profiles.
-        """
-        if not hasattr(self, '_profile_cache'):
-            from django.conf import settings
-            if not getattr(settings, 'AUTH_PROFILE_MODULE', False):
-                raise SiteProfileNotAvailable('You need to set AUTH_PROFILE_MO'
-                                              'DULE in your project settings')
-            try:
-                app_label, model_name = settings.AUTH_PROFILE_MODULE.split('.')
-            except ValueError:
-                raise SiteProfileNotAvailable('app_label and model_name should'
-                        ' be separated by a dot in the AUTH_PROFILE_MODULE set'
-                        'ting')
-
-            try:
-                model = models.get_model(app_label, model_name)
-                if model is None:
-                    raise SiteProfileNotAvailable('Unable to load the profile '
-                        'model, check AUTH_PROFILE_MODULE in your project sett'
-                        'ings')
-                self._profile_cache = model._default_manager.using(self._state.db).get(user__id__exact=self.id)
-                self._profile_cache.user = self
-            except (ImportError, ImproperlyConfigured):
-                raise SiteProfileNotAvailable
-        return self._profile_cache
-
-
-class MongoEngineBackend(object):
-    """Authenticate using MongoEngine and mongoengine.django.auth.User.
-    """
-
-    supports_object_permissions = False
-    supports_anonymous_user = False
-    supports_inactive_user = False
-    _user_doc = False
-
-    def authenticate(self, username=None, password=None):
-        user = self.user_document.objects(username=username).first()
-        if user:
-            if password and user.check_password(password):
-                backend = auth.get_backends()[0]
-                user.backend = "%s.%s" % (backend.__module__, backend.__class__.__name__)
-                return user
-        return None
-
-    def get_user(self, user_id):
-        return self.user_document.objects.with_id(user_id)
-
-    @property
-    def user_document(self):
-        if self._user_doc is False:
-            from .mongo_auth.models import get_user_document
-            self._user_doc = get_user_document()
-        return self._user_doc
-
-def get_user(userid):
-    """Returns a User object from an id (User.id). Django's equivalent takes
-    request, but taking an id instead leaves it up to the developer to store
-    the id in any way they want (session, signed cookie, etc.)
-    """
-    if not userid:
-        return AnonymousUser()
-    return MongoEngineBackend().get_user(userid) or AnonymousUser()

mongoengine/django/mongo_auth/models.py

@@ -1,115 +0,0 @@
-from django.conf import settings
-from django.contrib.auth.hashers import make_password
-from django.contrib.auth.models import UserManager
-from django.core.exceptions import ImproperlyConfigured
-from django.db import models
-from django.utils.importlib import import_module
-from django.utils.translation import ugettext_lazy as _
-
-
-__all__ = (
-    'get_user_document',
-)
-
-
-MONGOENGINE_USER_DOCUMENT = getattr(
-    settings, 'MONGOENGINE_USER_DOCUMENT', 'mongoengine.django.auth.User')
-
-
-def get_user_document():
-    """Get the user document class used for authentication.
-
-    This is the class defined in settings.MONGOENGINE_USER_DOCUMENT, which
-    defaults to `mongoengine.django.auth.User`.
-
-    """
-
-    name = MONGOENGINE_USER_DOCUMENT
-    dot = name.rindex('.')
-    module = import_module(name[:dot])
-    return getattr(module, name[dot + 1:])
-
-
-class MongoUserManager(UserManager):
-    """A User manager wich allows the use of MongoEngine documents in Django.
-
-    To use the manager, you must tell django.contrib.auth to use MongoUser as
-    the user model. In you settings.py, you need:
-
-        INSTALLED_APPS = (
-            ...
-            'django.contrib.auth',
-            'mongoengine.django.mongo_auth',
-            ...
-        )
-        AUTH_USER_MODEL = 'mongo_auth.MongoUser'
-
-    Django will use the model object to access the custom Manager, which will
-    replace the original queryset with MongoEngine querysets.
-
-    By default, mongoengine.django.auth.User will be used to store users. You
-    can specify another document class in MONGOENGINE_USER_DOCUMENT in your
-    settings.py.
-
-    The User Document class has the same requirements as a standard custom user
-    model: https://docs.djangoproject.com/en/dev/topics/auth/customizing/
-
-    In particular, the User Document class must define USERNAME_FIELD and
-    REQUIRED_FIELDS.
-
-    `AUTH_USER_MODEL` has been added in Django 1.5.
-
-    """
-
-    def contribute_to_class(self, model, name):
-        super(MongoUserManager, self).contribute_to_class(model, name)
-        self.dj_model = self.model
-        self.model = get_user_document()
-
-        self.dj_model.USERNAME_FIELD = self.model.USERNAME_FIELD
-        username = models.CharField(_('username'), max_length=30, unique=True)
-        username.contribute_to_class(self.dj_model, self.dj_model.USERNAME_FIELD)
-
-        self.dj_model.REQUIRED_FIELDS = self.model.REQUIRED_FIELDS
-        for name in self.dj_model.REQUIRED_FIELDS:
-            field = models.CharField(_(name), max_length=30)
-            field.contribute_to_class(self.dj_model, name)
-
-
-    def get(self, *args, **kwargs):
-        try:
-            return self.get_query_set().get(*args, **kwargs)
-        except self.model.DoesNotExist:
-            # ModelBackend expects this exception
-            raise self.dj_model.DoesNotExist
-
-    @property
-    def db(self):
-        raise NotImplementedError
-
-    def get_empty_query_set(self):
-        return self.model.objects.none()
-
-    def get_query_set(self):
-        return self.model.objects
-
-
-class MongoUser(models.Model):
-    """"Dummy user model for Django.
-
-    MongoUser is used to replace Django's UserManager with MongoUserManager.
-    The actual user document class is mongoengine.django.auth.User or any
-    other document class specified in MONGOENGINE_USER_DOCUMENT.
-
-    To get the user document class, use `get_user_document()`.
-
-    """
-
-    objects = MongoUserManager()
-
-    class Meta:
-        app_label = 'mongo_auth'
-
-    def set_password(self, password):
-        """Doesn't do anything, but works around the issue with Django 1.6."""
-        make_password(password)

mongoengine/django/sessions.py

@@ -1,124 +0,0 @@
-from bson import json_util
-from django.conf import settings
-from django.contrib.sessions.backends.base import SessionBase, CreateError
-from django.core.exceptions import SuspiciousOperation
-try:
-    from django.utils.encoding import force_unicode
-except ImportError:
-    from django.utils.encoding import force_text as force_unicode
-
-from mongoengine.document import Document
-from mongoengine import fields
-from mongoengine.queryset import OperationError
-from mongoengine.connection import DEFAULT_CONNECTION_NAME
-
-from .utils import datetime_now
-
-
-MONGOENGINE_SESSION_DB_ALIAS = getattr(
-    settings, 'MONGOENGINE_SESSION_DB_ALIAS',
-    DEFAULT_CONNECTION_NAME)
-
-# a setting for the name of the collection used to store sessions
-MONGOENGINE_SESSION_COLLECTION = getattr(
-    settings, 'MONGOENGINE_SESSION_COLLECTION',
-    'django_session')
-
-# a setting for whether session data is stored encoded or not
-MONGOENGINE_SESSION_DATA_ENCODE = getattr(
-    settings, 'MONGOENGINE_SESSION_DATA_ENCODE',
-    True)
-
-
-class MongoSession(Document):
-    session_key = fields.StringField(primary_key=True, max_length=40)
-    session_data = fields.StringField() if MONGOENGINE_SESSION_DATA_ENCODE \
-                                        else fields.DictField()
-    expire_date = fields.DateTimeField()
-
-    meta = {
-        'collection': MONGOENGINE_SESSION_COLLECTION,
-        'db_alias': MONGOENGINE_SESSION_DB_ALIAS,
-        'allow_inheritance': False,
-        'indexes': [
-            {
-                'fields': ['expire_date'],
-                'expireAfterSeconds': 0
-            }
-        ]
-    }
-
-    def get_decoded(self):
-        return SessionStore().decode(self.session_data)
-
-
-class SessionStore(SessionBase):
-    """A MongoEngine-based session store for Django.
-    """
-
-    def _get_session(self, *args, **kwargs):
-        sess = super(SessionStore, self)._get_session(*args, **kwargs)
-        if sess.get('_auth_user_id', None):
-            sess['_auth_user_id'] = str(sess.get('_auth_user_id'))
-        return sess
-
-    def load(self):
-        try:
-            s = MongoSession.objects(session_key=self.session_key,
-                                     expire_date__gt=datetime_now)[0]
-            if MONGOENGINE_SESSION_DATA_ENCODE:
-                return self.decode(force_unicode(s.session_data))
-            else:
-                return s.session_data
-        except (IndexError, SuspiciousOperation):
-            self.create()
-            return {}
-
-    def exists(self, session_key):
-        return bool(MongoSession.objects(session_key=session_key).first())
-
-    def create(self):
-        while True:
-            self._session_key = self._get_new_session_key()
-            try:
-                self.save(must_create=True)
-            except CreateError:
-                continue
-            self.modified = True
-            self._session_cache = {}
-            return
-
-    def save(self, must_create=False):
-        if self.session_key is None:
-            self._session_key = self._get_new_session_key()
-        s = MongoSession(session_key=self.session_key)
-        if MONGOENGINE_SESSION_DATA_ENCODE:
-            s.session_data = self.encode(self._get_session(no_load=must_create))
-        else:
-            s.session_data = self._get_session(no_load=must_create)
-        s.expire_date = self.get_expiry_date()
-        try:
-            s.save(force_insert=must_create)
-        except OperationError:
-            if must_create:
-                raise CreateError
-            raise
-
-    def delete(self, session_key=None):
-        if session_key is None:
-            if self.session_key is None:
-                return
-            session_key = self.session_key
-        MongoSession.objects(session_key=session_key).delete()
-
-
-class BSONSerializer(object):
-    """
-    Serializer that can handle BSON types (eg ObjectId).
-    """
-    def dumps(self, obj):
-        return json_util.dumps(obj, separators=(',', ':')).encode('ascii')
-
-    def loads(self, data):
-        return json_util.loads(data.decode('ascii'))
-

mongoengine/django/shortcuts.py

@@ -1,47 +0,0 @@
-from mongoengine.queryset import QuerySet
-from mongoengine.base import BaseDocument
-from mongoengine.errors import ValidationError
-
-def _get_queryset(cls):
-    """Inspired by django.shortcuts.*"""
-    if isinstance(cls, QuerySet):
-        return cls
-    else:
-        return cls.objects
-
-def get_document_or_404(cls, *args, **kwargs):
-    """
-    Uses get() to return an document, or raises a Http404 exception if the document
-    does not exist.
-
-    cls may be a Document or QuerySet object. All other passed
-    arguments and keyword arguments are used in the get() query.
-
-    Note: Like with get(), an MultipleObjectsReturned will be raised if more than one
-    object is found.
-
-    Inspired by django.shortcuts.*
-    """
-    queryset = _get_queryset(cls)
-    try:
-        return queryset.get(*args, **kwargs)
-    except (queryset._document.DoesNotExist, ValidationError):
-        from django.http import Http404
-        raise Http404('No %s matches the given query.' % queryset._document._class_name)
-
-def get_list_or_404(cls, *args, **kwargs):
-    """
-    Uses filter() to return a list of documents, or raise a Http404 exception if
-    the list is empty.
-
-    cls may be a Document or QuerySet object. All other passed
-    arguments and keyword arguments are used in the filter() query.
-
-    Inspired by django.shortcuts.*
-    """
-    queryset = _get_queryset(cls)
-    obj_list = list(queryset.filter(*args, **kwargs))
-    if not obj_list:
-        from django.http import Http404
-        raise Http404('No %s matches the given query.' % queryset._document._class_name)
-    return obj_list

mongoengine/django/storage.py

@@ -1,112 +0,0 @@
-import os
-import itertools
-import urlparse
-
-from mongoengine import *
-from django.conf import settings
-from django.core.files.storage import Storage
-from django.core.exceptions import ImproperlyConfigured
-
-
-class FileDocument(Document):
-    """A document used to store a single file in GridFS.
-    """
-    file = FileField()
-
-
-class GridFSStorage(Storage):
-    """A custom storage backend to store files in GridFS
-    """
-
-    def __init__(self, base_url=None):
-
-        if base_url is None:
-            base_url = settings.MEDIA_URL
-        self.base_url = base_url
-        self.document = FileDocument
-        self.field = 'file'
-
-    def delete(self, name):
-        """Deletes the specified file from the storage system.
-        """
-        if self.exists(name):
-            doc = self.document.objects.first()
-            field = getattr(doc, self.field)
-            self._get_doc_with_name(name).delete()  # Delete the FileField
-            field.delete()                          # Delete the FileDocument
-
-    def exists(self, name):
-        """Returns True if a file referened by the given name already exists in the
-        storage system, or False if the name is available for a new file.
-        """
-        doc = self._get_doc_with_name(name)
-        if doc:
-            field = getattr(doc, self.field)
-            return bool(field.name)
-        else:
-            return False
-
-    def listdir(self, path=None):
-        """Lists the contents of the specified path, returning a 2-tuple of lists;
-        the first item being directories, the second item being files.
-        """
-        def name(doc):
-            return getattr(doc, self.field).name
-        docs = self.document.objects
-        return [], [name(d) for d in docs if name(d)]
-
-    def size(self, name):
-        """Returns the total size, in bytes, of the file specified by name.
-        """
-        doc = self._get_doc_with_name(name)
-        if doc:
-            return getattr(doc, self.field).length
-        else:
-            raise ValueError("No such file or directory: '%s'" % name)
-
-    def url(self, name):
-        """Returns an absolute URL where the file's contents can be accessed
-        directly by a web browser.
-        """
-        if self.base_url is None:
-            raise ValueError("This file is not accessible via a URL.")
-        return urlparse.urljoin(self.base_url, name).replace('\\', '/')
-
-    def _get_doc_with_name(self, name):
-        """Find the documents in the store with the given name
-        """
-        docs = self.document.objects
-        doc = [d for d in docs if hasattr(getattr(d, self.field), 'name') and getattr(d, self.field).name == name]
-        if doc:
-            return doc[0]
-        else:
-            return None
-
-    def _open(self, name, mode='rb'):
-        doc = self._get_doc_with_name(name)
-        if doc:
-            return getattr(doc, self.field)
-        else:
-            raise ValueError("No file found with the name '%s'." % name)
-
-    def get_available_name(self, name):
-        """Returns a filename that's free on the target storage system, and
-        available for new content to be written to.
-        """
-        file_root, file_ext = os.path.splitext(name)
-        # If the filename already exists, add an underscore and a number (before
-        # the file extension, if one exists) to the filename until the generated
-        # filename doesn't exist.
-        count = itertools.count(1)
-        while self.exists(name):
-            # file_ext includes the dot.
-            name = os.path.join("%s_%s%s" % (file_root, count.next(), file_ext))
-
-        return name
-
-    def _save(self, name, content):
-        doc = self.document()
-        getattr(doc, self.field).put(content, filename=name)
-        doc.save()
-
-        return name

mongoengine/django/tests.py

@@ -1,31 +0,0 @@
-#coding: utf-8
-
-from unittest import TestCase
-
-from mongoengine import connect
-from mongoengine.connection import get_db
-
-
-class MongoTestCase(TestCase):
-    """
-    TestCase class that clear the collection between the tests
-    """
-
-    @property
-    def db_name(self):
-        from django.conf import settings
-        return 'test_%s' % getattr(settings, 'MONGO_DATABASE_NAME', 'dummy')
-
-    def __init__(self, methodName='runtest'):
-        connect(self.db_name)
-        self.db = get_db()
-        super(MongoTestCase, self).__init__(methodName)
-
-    def dropCollections(self):
-        for collection in self.db.collection_names():
-            if collection == 'system.indexes':
-                continue
-            self.db.drop_collection(collection)
-
-    def tearDown(self):
-        self.dropCollections()

mongoengine/django/utils.py

@@ -1,6 +0,0 @@
-try:
-    # django >= 1.4
-    from django.utils.timezone import now as datetime_now
-except ImportError:
-    from datetime import datetime
-    datetime_now = datetime.now

mongoengine/errors.py

@@ -1,11 +1,11 @@
 from collections import defaultdict
 
-from mongoengine.python_support import txt_type
+import six
-
 
 __all__ = ('NotRegistered', 'InvalidDocumentError', 'LookUpError',
            'DoesNotExist', 'MultipleObjectsReturned', 'InvalidQueryError',
-           'OperationError', 'NotUniqueError', 'ValidationError')
+           'OperationError', 'NotUniqueError', 'FieldDoesNotExist',
+           'ValidationError', 'SaveConditionError')
 
 
 class NotRegistered(Exception):
@@ -40,6 +40,21 @@ class NotUniqueError(OperationError):
     pass
 
 
+class SaveConditionError(OperationError):
+    pass
+
+
+class FieldDoesNotExist(Exception):
+    """Raised when trying to set a field
+    not declared in a :class:`~mongoengine.Document`
+    or an :class:`~mongoengine.EmbeddedDocument`.
+
+    To avoid this behavior on data loading,
+    you should set the :attr:`strict` to ``False``
+    in the :attr:`meta` dictionary.
+    """
+
+
 class ValidationError(AssertionError):
     """Validation exception.
 
@@ -55,13 +70,13 @@ class ValidationError(AssertionError):
     field_name = None
     _message = None
 
-    def __init__(self, message="", **kwargs):
+    def __init__(self, message='', **kwargs):
         self.errors = kwargs.get('errors', {})
         self.field_name = kwargs.get('field_name')
         self.message = message
 
     def __str__(self):
-        return txt_type(self.message)
+        return six.text_type(self.message)
 
     def __repr__(self):
         return '%s(%s,)' % (self.__class__.__name__, self.message)
@@ -95,16 +110,20 @@ class ValidationError(AssertionError):
             errors_dict = {}
             if not source:
                 return errors_dict
+
             if isinstance(source, dict):
                 for field_name, error in source.iteritems():
                     errors_dict[field_name] = build_dict(error)
             elif isinstance(source, ValidationError) and source.errors:
                 return build_dict(source.errors)
             else:
-                return unicode(source)
+                return six.text_type(source)
+
             return errors_dict
+
         if not self.errors:
             return {}
+
         return build_dict(self.errors)
 
     def _format_errors(self):
@@ -113,14 +132,14 @@ class ValidationError(AssertionError):
         def generate_key(value, prefix=''):
             if isinstance(value, list):
                 value = ' '.join([generate_key(k) for k in value])
-            if isinstance(value, dict):
+            elif isinstance(value, dict):
                 value = ' '.join(
                     [generate_key(v, k) for k, v in value.iteritems()])
 
-            results = "%s.%s" % (prefix, value) if prefix else value
+            results = '%s.%s' % (prefix, value) if prefix else value
             return results
 
         error_dict = defaultdict(list)
         for k, v in self.to_dict().iteritems():
             error_dict[generate_key(v)].append(k)
-        return ' '.join(["%s: %s" % (k, v) for k, v in error_dict.iteritems()])
+        return ' '.join(['%s: %s' % (k, v) for k, v in error_dict.iteritems()])

mongoengine/python_support.py

@@ -1,29 +1,25 @@
-"""Helper functions and types to aid with Python 2.5 - 3 support."""
+"""
+Helper functions, constants, and types to aid with Python v2.7 - v3.x and
+PyMongo v2.7 - v3.x support.
+"""
+import pymongo
+import six
 
-import sys
 
-PY3 = sys.version_info[0] == 3
+if pymongo.version_tuple[0] < 3:
-
+    IS_PYMONGO_3 = False
-if PY3:
-    import codecs
-    from io import BytesIO as StringIO
-    # return s converted to binary.  b('test') should be equivalent to b'test'
-    def b(s):
-        return codecs.latin_1_encode(s)[0]
-
-    bin_type = bytes
-    txt_type   = str
 else:
+    IS_PYMONGO_3 = True
+
+
+# six.BytesIO resolves to StringIO.StringIO in Py2 and io.BytesIO in Py3.
+StringIO = six.BytesIO
+
+# Additionally for Py2, try to use the faster cStringIO, if available
+if not six.PY3:
     try:
-        from cStringIO import StringIO
+        import cStringIO
     except ImportError:
-        from StringIO import StringIO
+        pass
-
+    else:
-    # Conversion to binary only necessary in Python 3
+        StringIO = cStringIO.StringIO
-    def b(s):
-        return s
-
-    bin_type = str
-    txt_type = unicode
-
-str_types = (bin_type, txt_type)

mongoengine/queryset/__init__.py

@@ -1,11 +1,17 @@
-from mongoengine.errors import (DoesNotExist, MultipleObjectsReturned,
+from mongoengine.errors import *
-                                InvalidQueryError, OperationError,
-                                NotUniqueError)
 from mongoengine.queryset.field_list import *
 from mongoengine.queryset.manager import *
 from mongoengine.queryset.queryset import *
 from mongoengine.queryset.transform import *
 from mongoengine.queryset.visitor import *
 
-__all__ = (field_list.__all__ + manager.__all__ + queryset.__all__ +
+# Expose just the public subset of all imported objects and constants.
-           transform.__all__ + visitor.__all__)
+__all__ = (
+    'QuerySet', 'QuerySetNoCache', 'Q', 'queryset_manager', 'QuerySetManager',
+    'QueryFieldList', 'DO_NOTHING', 'NULLIFY', 'CASCADE', 'DENY', 'PULL',
+
+    # Errors that might be related to a queryset, mostly here for backward
+    # compatibility
+    'DoesNotExist', 'InvalidQueryError', 'MultipleObjectsReturned',
+    'NotUniqueError', 'OperationError',
+)

mongoengine/queryset/field_list.py

@@ -1,4 +1,3 @@
-
 __all__ = ('QueryFieldList',)
 
 
@@ -68,7 +67,7 @@ class QueryFieldList(object):
         return bool(self.fields)
 
     def as_dict(self):
-        field_list = dict((field, self.value) for field in self.fields)
+        field_list = {field: self.value for field in self.fields}
         if self.slice:
             field_list.update(self.slice)
         if self._id is not None:

mongoengine/queryset/manager.py

@@ -29,7 +29,7 @@ class QuerySetManager(object):
         Document.objects is accessed.
         """
         if instance is not None:
-            # Document class being used rather than a document object
+            # Document object being used rather than a document class
             return self
 
         # owner is the document that contains the QuerySetManager

mongoengine/queryset/queryset.py

@@ -1,6 +1,8 @@
+import six
+
 from mongoengine.errors import OperationError
-from mongoengine.queryset.base import (BaseQuerySet, DO_NOTHING, NULLIFY,
+from mongoengine.queryset.base import (BaseQuerySet, CASCADE, DENY, DO_NOTHING,
-                                       CASCADE, DENY, PULL)
+                                       NULLIFY, PULL)
 
 __all__ = ('QuerySet', 'QuerySetNoCache', 'DO_NOTHING', 'NULLIFY', 'CASCADE',
            'DENY', 'PULL')
@@ -30,6 +32,7 @@ class QuerySet(BaseQuerySet):
         batch. Otherwise iterate the result_cache.
         """
         self._iter = True
+
         if self._has_more:
             return self._iter_results()
 
@@ -38,45 +41,60 @@ class QuerySet(BaseQuerySet):
 
     def __len__(self):
         """Since __len__ is called quite frequently (for example, as part of
-        list(qs) we populate the result cache and cache the length.
+        list(qs)), we populate the result cache and cache the length.
         """
         if self._len is not None:
             return self._len
+
+        # Populate the result cache with *all* of the docs in the cursor
         if self._has_more:
-            # populate the cache
             list(self._iter_results())
 
+        # Cache the length of the complete result cache and return it
         self._len = len(self._result_cache)
         return self._len
 
     def __repr__(self):
-        """Provides the string representation of the QuerySet
+        """Provide a string representation of the QuerySet"""
-        """
         if self._iter:
             return '.. queryset mid-iteration ..'
 
         self._populate_cache()
         data = self._result_cache[:REPR_OUTPUT_SIZE + 1]
         if len(data) > REPR_OUTPUT_SIZE:
-            data[-1] = "...(remaining elements truncated)..."
+            data[-1] = '...(remaining elements truncated)...'
         return repr(data)
 
-
     def _iter_results(self):
         """A generator for iterating over the result cache.
 
-        Also populates the cache if there are more possible results to yield.
+        Also populates the cache if there are more possible results to
-        Raises StopIteration when there are no more results"""
+        yield. Raises StopIteration when there are no more results.
+        """
         if self._result_cache is None:
             self._result_cache = []
+
         pos = 0
         while True:
-            upper = len(self._result_cache)
+
-            while pos < upper:
+            # For all positions lower than the length of the current result
+            # cache, serve the docs straight from the cache w/o hitting the
+            # database.
+            # XXX it's VERY important to compute the len within the `while`
+            # condition because the result cache might expand mid-iteration
+            # (e.g. if we call len(qs) inside a loop that iterates over the
+            # queryset). Fortunately len(list) is O(1) in Python, so this
+            # doesn't cause performance issues.
+            while pos < len(self._result_cache):
                 yield self._result_cache[pos]
-                pos = pos + 1
+                pos += 1
+
+            # Raise StopIteration if we already established there were no more
+            # docs in the db cursor.
             if not self._has_more:
                 raise StopIteration
+
+            # Otherwise, populate more of the cache and repeat.
             if len(self._result_cache) <= pos:
                 self._populate_cache()
 
@@ -87,14 +105,24 @@ class QuerySet(BaseQuerySet):
         """
         if self._result_cache is None:
             self._result_cache = []
-        if self._has_more:
+
+        # Skip populating the cache if we already established there are no
+        # more docs to pull from the database.
+        if not self._has_more:
+            return
+
+        # Pull in ITER_CHUNK_SIZE docs from the database and store them in
+        # the result cache.
         try:
-                for i in xrange(ITER_CHUNK_SIZE):
+            for _ in six.moves.range(ITER_CHUNK_SIZE):
                 self._result_cache.append(self.next())
         except StopIteration:
+            # Getting this exception means there are no more docs in the
+            # db cursor. Set _has_more to False so that we can use that
+            # information in other places.
             self._has_more = False
 
-    def count(self, with_limit_and_skip=True):
+    def count(self, with_limit_and_skip=False):
         """Count the selected elements in the query.
 
         :param with_limit_and_skip (optional): take any :meth:`limit` or
@@ -110,13 +138,15 @@ class QuerySet(BaseQuerySet):
         return self._len
 
     def no_cache(self):
-        """Convert to a non_caching queryset
+        """Convert to a non-caching queryset
 
         .. versionadded:: 0.8.3 Convert to non caching queryset
         """
         if self._result_cache is not None:
-            raise OperationError("QuerySet already cached")
+            raise OperationError('QuerySet already cached')
-        return self.clone_into(QuerySetNoCache(self._document, self._collection))
+
+        return self._clone_into(QuerySetNoCache(self._document,
+                                                self._collection))
 
 
 class QuerySetNoCache(BaseQuerySet):
@@ -127,7 +157,7 @@ class QuerySetNoCache(BaseQuerySet):
 
         .. versionadded:: 0.8.3 Convert to caching queryset
         """
-        return self.clone_into(QuerySet(self._document, self._collection))
+        return self._clone_into(QuerySet(self._document, self._collection))
 
     def __repr__(self):
         """Provides the string representation of the QuerySet
@@ -138,13 +168,14 @@ class QuerySetNoCache(BaseQuerySet):
             return '.. queryset mid-iteration ..'
 
         data = []
-        for i in xrange(REPR_OUTPUT_SIZE + 1):
+        for _ in six.moves.range(REPR_OUTPUT_SIZE + 1):
             try:
                 data.append(self.next())
             except StopIteration:
                 break
+
         if len(data) > REPR_OUTPUT_SIZE:
-            data[-1] = "...(remaining elements truncated)..."
+            data[-1] = '...(remaining elements truncated)...'
 
         self.rewind()
         return repr(data)

mongoengine/queryset/transform.py

@@ -1,20 +1,23 @@
 from collections import defaultdict
 
+from bson import ObjectId, SON
+from bson.dbref import DBRef
 import pymongo
-from bson import SON
+import six
 
-from mongoengine.connection import get_connection
+from mongoengine.base import UPDATE_OPERATORS
 from mongoengine.common import _import_class
-from mongoengine.errors import InvalidQueryError, LookUpError
+from mongoengine.connection import get_connection
+from mongoengine.errors import InvalidQueryError
+from mongoengine.python_support import IS_PYMONGO_3
 
 __all__ = ('query', 'update')
 
-
 COMPARISON_OPERATORS = ('ne', 'gt', 'gte', 'lt', 'lte', 'in', 'nin', 'mod',
-                        'all', 'size', 'exists', 'not', 'elemMatch')
+                        'all', 'size', 'exists', 'not', 'elemMatch', 'type')
 GEO_OPERATORS = ('within_distance', 'within_spherical_distance',
                  'within_box', 'within_polygon', 'near', 'near_sphere',
-                 'max_distance', 'geo_within', 'geo_within_box',
+                 'max_distance', 'min_distance', 'geo_within', 'geo_within_box',
                  'geo_within_polygon', 'geo_within_center',
                  'geo_within_sphere', 'geo_intersects')
 STRING_OPERATORS = ('contains', 'icontains', 'startswith',
@@ -24,18 +27,14 @@ CUSTOM_OPERATORS = ('match',)
 MATCH_OPERATORS = (COMPARISON_OPERATORS + GEO_OPERATORS +
                    STRING_OPERATORS + CUSTOM_OPERATORS)
 
-UPDATE_OPERATORS = ('set', 'unset', 'inc', 'dec', 'pop', 'push',
-                    'push_all', 'pull', 'pull_all', 'add_to_set',
-                    'set_on_insert')
 
-
+# TODO make this less complex
-def query(_doc_cls=None, _field_operation=False, **query):
+def query(_doc_cls=None, **kwargs):
-    """Transform a query from Django-style format to Mongo format.
+    """Transform a query from Django-style format to Mongo format."""
-    """
     mongo_query = {}
     merge_query = defaultdict(list)
-    for key, value in sorted(query.items()):
+    for key, value in sorted(kwargs.items()):
-        if key == "__raw__":
+        if key == '__raw__':
             mongo_query.update(value)
             continue
 
@@ -47,6 +46,10 @@ def query(_doc_cls=None, _field_operation=False, **query):
         if len(parts) > 1 and parts[-1] in MATCH_OPERATORS:
             op = parts.pop()
 
+        # Allow to escape operator-like field name by __
+        if len(parts) > 1 and parts[-1] == '':
+            parts.pop()
+
         negate = False
         if len(parts) > 1 and parts[-1] == 'not':
             parts.pop()
@@ -56,16 +59,17 @@ def query(_doc_cls=None, _field_operation=False, **query):
             # Switch field names to proper names [set in Field(name='foo')]
             try:
                 fields = _doc_cls._lookup_field(parts)
-            except Exception, e:
+            except Exception as e:
                 raise InvalidQueryError(e)
             parts = []
 
             CachedReferenceField = _import_class('CachedReferenceField')
+            GenericReferenceField = _import_class('GenericReferenceField')
 
             cleaned_fields = []
             for field in fields:
                 append_field = True
-                if isinstance(field, basestring):
+                if isinstance(field, six.string_types):
                     parts.append(field)
                     append_field = False
                 # is last and CachedReferenceField
@@ -83,9 +87,9 @@ def query(_doc_cls=None, _field_operation=False, **query):
             singular_ops = [None, 'ne', 'gt', 'gte', 'lt', 'lte', 'not']
             singular_ops += STRING_OPERATORS
             if op in singular_ops:
-                if isinstance(field, basestring):
+                if isinstance(field, six.string_types):
                     if (op in STRING_OPERATORS and
-                            isinstance(value, basestring)):
+                            isinstance(value, six.string_types)):
                         StringField = _import_class('StringField')
                         value = StringField.prepare_query_value(op, value)
                     else:
@@ -97,20 +101,51 @@ def query(_doc_cls=None, _field_operation=False, **query):
                         value = value['_id']
 
             elif op in ('in', 'nin', 'all', 'near') and not isinstance(value, dict):
-                # 'in', 'nin' and 'all' require a list of values
+                # Raise an error if the in/nin/all/near param is not iterable. We need a
+                # special check for BaseDocument, because - although it's iterable - using
+                # it as such in the context of this method is most definitely a mistake.
+                BaseDocument = _import_class('BaseDocument')
+                if isinstance(value, BaseDocument):
+                    raise TypeError("When using the `in`, `nin`, `all`, or "
+                                    "`near`-operators you can\'t use a "
+                                    "`Document`, you must wrap your object "
+                                    "in a list (object -> [object]).")
+                elif not hasattr(value, '__iter__'):
+                    raise TypeError("The `in`, `nin`, `all`, or "
+                                    "`near`-operators must be applied to an "
+                                    "iterable (e.g. a list).")
+                else:
                     value = [field.prepare_query_value(op, v) for v in value]
 
+            # If we're querying a GenericReferenceField, we need to alter the
+            # key depending on the value:
+            # * If the value is a DBRef, the key should be "field_name._ref".
+            # * If the value is an ObjectId, the key should be "field_name._ref.$id".
+            if isinstance(field, GenericReferenceField):
+                if isinstance(value, DBRef):
+                    parts[-1] += '._ref'
+                elif isinstance(value, ObjectId):
+                    parts[-1] += '._ref.$id'
+
         # if op and op not in COMPARISON_OPERATORS:
         if op:
             if op in GEO_OPERATORS:
                 value = _geo_operator(field, op, value)
-            elif op in CUSTOM_OPERATORS:
+            elif op in ('match', 'elemMatch'):
-                if op in ('elem_match', 'match'):
+                ListField = _import_class('ListField')
-                    value = field.prepare_query_value(op, value)
+                EmbeddedDocumentField = _import_class('EmbeddedDocumentField')
-                    value = {"$elemMatch": value}
+                if (
+                    isinstance(value, dict) and
+                    isinstance(field, ListField) and
+                    isinstance(field.field, EmbeddedDocumentField)
+                ):
+                    value = query(field.field.document_type, **value)
                 else:
-                    NotImplementedError("Custom method '%s' has not "
+                    value = field.prepare_query_value(op, value)
-                                        "been implemented" % op)
+                value = {'$elemMatch': value}
+            elif op in CUSTOM_OPERATORS:
+                NotImplementedError('Custom method "%s" has not '
+                                    'been implemented' % op)
             elif op not in STRING_OPERATORS:
                 value = {'$' + op: value}
 
@@ -119,35 +154,42 @@ def query(_doc_cls=None, _field_operation=False, **query):
 
         for i, part in indices:
             parts.insert(i, part)
+
         key = '.'.join(parts)
+
         if op is None or key not in mongo_query:
             mongo_query[key] = value
         elif key in mongo_query:
-            if key in mongo_query and isinstance(mongo_query[key], dict):
+            if isinstance(mongo_query[key], dict):
                 mongo_query[key].update(value)
-                # $maxDistance needs to come last - convert to SON
+                # $max/minDistance needs to come last - convert to SON
                 value_dict = mongo_query[key]
-                if ('$maxDistance' in value_dict and '$near' in value_dict):
+                if ('$maxDistance' in value_dict or '$minDistance' in value_dict) and \
+                        ('$near' in value_dict or '$nearSphere' in value_dict):
                     value_son = SON()
-                    if isinstance(value_dict['$near'], dict):
                     for k, v in value_dict.iteritems():
-                            if k == '$maxDistance':
+                        if k == '$maxDistance' or k == '$minDistance':
                             continue
                         value_son[k] = v
-                        if (get_connection().max_wire_version <= 1):
+                    # Required for MongoDB >= 2.6, may fail when combining
-                            value_son['$maxDistance'] = value_dict[
+                    # PyMongo 3+ and MongoDB < 2.6
-                                '$maxDistance']
+                    near_embedded = False
-                        else:
+                    for near_op in ('$near', '$nearSphere'):
-                            value_son['$near'] = SON(value_son['$near'])
+                        if isinstance(value_dict.get(near_op), dict) and (
-                            value_son['$near'][
+                                IS_PYMONGO_3 or get_connection().max_wire_version > 1):
+                            value_son[near_op] = SON(value_son[near_op])
+                            if '$maxDistance' in value_dict:
+                                value_son[near_op][
                                     '$maxDistance'] = value_dict['$maxDistance']
-                    else:
+                            if '$minDistance' in value_dict:
-                        for k, v in value_dict.iteritems():
+                                value_son[near_op][
-                            if k == '$maxDistance':
+                                    '$minDistance'] = value_dict['$minDistance']
-                                continue
+                            near_embedded = True
-                            value_son[k] = v
+                    if not near_embedded:
+                        if '$maxDistance' in value_dict:
                             value_son['$maxDistance'] = value_dict['$maxDistance']
-
+                        if '$minDistance' in value_dict:
+                            value_son['$minDistance'] = value_dict['$minDistance']
                     mongo_query[key] = value_son
             else:
                 # Store for manually merging later
@@ -160,7 +202,7 @@ def query(_doc_cls=None, _field_operation=False, **query):
         if isinstance(v, list):
             value = [{k: val} for val in v]
             if '$and' in mongo_query.keys():
-                mongo_query['$and'].append(value)
+                mongo_query['$and'].extend(value)
             else:
                 mongo_query['$and'] = value
 
@@ -168,15 +210,16 @@ def query(_doc_cls=None, _field_operation=False, **query):
 
 
 def update(_doc_cls=None, **update):
-    """Transform an update spec from Django-style format to Mongo format.
+    """Transform an update spec from Django-style format to Mongo
+    format.
     """
     mongo_update = {}
     for key, value in update.items():
-        if key == "__raw__":
+        if key == '__raw__':
             mongo_update.update(value)
             continue
         parts = key.split('__')
-        # if there is no operator, default to "set"
+        # if there is no operator, default to 'set'
         if len(parts) < 3 and parts[0] not in UPDATE_OPERATORS:
             parts.insert(0, 'set')
         # Check for an operator and transform to mongo-style if there is
@@ -190,22 +233,25 @@ def update(_doc_cls=None, **update):
                 # Support decrement by flipping a positive value's sign
                 # and using 'inc'
                 op = 'inc'
-                if value > 0:
                 value = -value
             elif op == 'add_to_set':
                 op = 'addToSet'
             elif op == 'set_on_insert':
-                op = "setOnInsert"
+                op = 'setOnInsert'
 
         match = None
         if parts[-1] in COMPARISON_OPERATORS:
             match = parts.pop()
 
+        # Allow to escape operator-like field name by __
+        if len(parts) > 1 and parts[-1] == '':
+            parts.pop()
+
         if _doc_cls:
             # Switch field names to proper names [set in Field(name='foo')]
             try:
                 fields = _doc_cls._lookup_field(parts)
-            except Exception, e:
+            except Exception as e:
                 raise InvalidQueryError(e)
             parts = []
 
@@ -213,7 +259,7 @@ def update(_doc_cls=None, **update):
             appended_sub_field = False
             for field in fields:
                 append_field = True
-                if isinstance(field, basestring):
+                if isinstance(field, six.string_types):
                     # Convert the S operator to $
                     if field == 'S':
                         field = '$'
@@ -234,11 +280,13 @@ def update(_doc_cls=None, **update):
             else:
                 field = cleaned_fields[-1]
 
-            GeoJsonBaseField = _import_class("GeoJsonBaseField")
+            GeoJsonBaseField = _import_class('GeoJsonBaseField')
             if isinstance(field, GeoJsonBaseField):
                 value = field.to_mongo(value)
 
-            if op in (None, 'set', 'push', 'pull'):
+            if op == 'push' and isinstance(value, (list, tuple, set)):
+                value = [field.prepare_query_value(op, v) for v in value]
+            elif op in (None, 'set', 'push', 'pull'):
                 if field.required or value is not None:
                     value = field.prepare_query_value(op, value)
             elif op in ('pushAll', 'pullAll'):
@@ -248,7 +296,7 @@ def update(_doc_cls=None, **update):
                     value = [field.prepare_query_value(op, v) for v in value]
                 elif field.required or value is not None:
                     value = field.prepare_query_value(op, value)
-            elif op == "unset":
+            elif op == 'unset':
                 value = 1
 
         if match:
@@ -258,16 +306,16 @@ def update(_doc_cls=None, **update):
         key = '.'.join(parts)
 
         if not op:
-            raise InvalidQueryError("Updates must supply an operation "
+            raise InvalidQueryError('Updates must supply an operation '
-                                    "eg: set__FIELD=value")
+                                    'eg: set__FIELD=value')
 
         if 'pull' in op and '.' in key:
             # Dot operators don't work on pull operations
             # unless they point to a list field
             # Otherwise it uses nested dict syntax
             if op == 'pullAll':
-                raise InvalidQueryError("pullAll operations only support "
+                raise InvalidQueryError('pullAll operations only support '
-                                        "a single field depth")
+                                        'a single field depth')
 
             # Look for the last list field and use dot notation until there
             field_classes = [c.__class__ for c in cleaned_fields]
@@ -278,7 +326,7 @@ def update(_doc_cls=None, **update):
                 # Then process as normal
                 last_listField = len(
                     cleaned_fields) - field_classes.index(ListField)
-                key = ".".join(parts[:last_listField])
+                key = '.'.join(parts[:last_listField])
                 parts = parts[last_listField:]
                 parts.insert(0, key)
 
@@ -286,11 +334,23 @@ def update(_doc_cls=None, **update):
             for key in parts:
                 value = {key: value}
         elif op == 'addToSet' and isinstance(value, list):
-            value = {key: {"$each": value}}
+            value = {key: {'$each': value}}
+        elif op == 'push':
+            if parts[-1].isdigit():
+                key = parts[0]
+                position = int(parts[-1])
+                # $position expects an iterable. If pushing a single value,
+                # wrap it in a list.
+                if not isinstance(value, (set, tuple, list)):
+                    value = [value]
+                value = {key: {'$each': value, '$position': position}}
+            elif isinstance(value, list):
+                value = {key: {'$each': value}}
+            else:
+                value = {key: value}
         else:
             value = {key: value}
         key = '$' + op
-
         if key not in mongo_update:
             mongo_update[key] = value
         elif key in mongo_update and isinstance(mongo_update[key], dict):
@@ -300,73 +360,82 @@ def update(_doc_cls=None, **update):
 
 
 def _geo_operator(field, op, value):
-    """Helper to return the query for a given geo query"""
+    """Helper to return the query for a given geo query."""
-    if field._geo_index == pymongo.GEO2D:
+    if op == 'max_distance':
-        if op == "within_distance":
+        value = {'$maxDistance': value}
+    elif op == 'min_distance':
+        value = {'$minDistance': value}
+    elif field._geo_index == pymongo.GEO2D:
+        if op == 'within_distance':
             value = {'$within': {'$center': value}}
-        elif op == "within_spherical_distance":
+        elif op == 'within_spherical_distance':
             value = {'$within': {'$centerSphere': value}}
-        elif op == "within_polygon":
+        elif op == 'within_polygon':
             value = {'$within': {'$polygon': value}}
-        elif op == "near":
+        elif op == 'near':
             value = {'$near': value}
-        elif op == "near_sphere":
+        elif op == 'near_sphere':
             value = {'$nearSphere': value}
         elif op == 'within_box':
             value = {'$within': {'$box': value}}
-        elif op == "max_distance":
-            value = {'$maxDistance': value}
         else:
-            raise NotImplementedError("Geo method '%s' has not "
+            raise NotImplementedError('Geo method "%s" has not been '
-                                      "been implemented for a GeoPointField" % op)
+                                      'implemented for a GeoPointField' % op)
     else:
-        if op == "geo_within":
+        if op == 'geo_within':
-            value = {"$geoWithin": _infer_geometry(value)}
+            value = {'$geoWithin': _infer_geometry(value)}
-        elif op == "geo_within_box":
+        elif op == 'geo_within_box':
-            value = {"$geoWithin": {"$box": value}}
+            value = {'$geoWithin': {'$box': value}}
-        elif op == "geo_within_polygon":
+        elif op == 'geo_within_polygon':
-            value = {"$geoWithin": {"$polygon": value}}
+            value = {'$geoWithin': {'$polygon': value}}
-        elif op == "geo_within_center":
+        elif op == 'geo_within_center':
-            value = {"$geoWithin": {"$center": value}}
+            value = {'$geoWithin': {'$center': value}}
-        elif op == "geo_within_sphere":
+        elif op == 'geo_within_sphere':
-            value = {"$geoWithin": {"$centerSphere": value}}
+            value = {'$geoWithin': {'$centerSphere': value}}
-        elif op == "geo_intersects":
+        elif op == 'geo_intersects':
-            value = {"$geoIntersects": _infer_geometry(value)}
+            value = {'$geoIntersects': _infer_geometry(value)}
-        elif op == "near":
+        elif op == 'near':
             value = {'$near': _infer_geometry(value)}
-        elif op == "max_distance":
-            value = {'$maxDistance': value}
         else:
-            raise NotImplementedError("Geo method '%s' has not "
+            raise NotImplementedError(
-                                      "been implemented for a %s " % (op, field._name))
+                'Geo method "%s" has not been implemented for a %s '
+                % (op, field._name)
+            )
     return value
 
 
 def _infer_geometry(value):
-    """Helper method that tries to infer the $geometry shape for a given value"""
+    """Helper method that tries to infer the $geometry shape for a
+    given value.
+    """
     if isinstance(value, dict):
-        if "$geometry" in value:
+        if '$geometry' in value:
             return value
         elif 'coordinates' in value and 'type' in value:
-            return {"$geometry": value}
+            return {'$geometry': value}
-        raise InvalidQueryError("Invalid $geometry dictionary should have "
+        raise InvalidQueryError('Invalid $geometry dictionary should have '
-                                "type and coordinates keys")
+                                'type and coordinates keys')
     elif isinstance(value, (list, set)):
+        # TODO: shouldn't we test value[0][0][0][0] to see if it is MultiPolygon?
+        # TODO: should both TypeError and IndexError be alike interpreted?
+
         try:
             value[0][0][0]
-            return {"$geometry": {"type": "Polygon", "coordinates": value}}
+            return {'$geometry': {'type': 'Polygon', 'coordinates': value}}
-        except:
+        except (TypeError, IndexError):
-            pass
-        try:
-            value[0][0]
-            return {"$geometry": {"type": "LineString", "coordinates": value}}
-        except:
-            pass
-        try:
-            value[0]
-            return {"$geometry": {"type": "Point", "coordinates": value}}
-        except:
             pass
 
-    raise InvalidQueryError("Invalid $geometry data. Can be either a dictionary "
+        try:
-                            "or (nested) lists of coordinate(s)")
+            value[0][0]
+            return {'$geometry': {'type': 'LineString', 'coordinates': value}}
+        except (TypeError, IndexError):
+            pass
+
+        try:
+            value[0]
+            return {'$geometry': {'type': 'Point', 'coordinates': value}}
+        except (TypeError, IndexError):
+            pass
+
+    raise InvalidQueryError('Invalid $geometry data. Can be either a '
+                            'dictionary or (nested) lists of coordinate(s)')

mongoengine/queryset/visitor.py

@@ -1,8 +1,5 @@
 import copy
 
-from itertools import product
-from functools import reduce
-
 from mongoengine.errors import InvalidQueryError
 from mongoengine.queryset import transform
 
@@ -29,7 +26,7 @@ class DuplicateQueryConditionsError(InvalidQueryError):
 
 
 class SimplificationVisitor(QNodeVisitor):
-    """Simplifies query trees by combinging unnecessary 'and' connection nodes
+    """Simplifies query trees by combining unnecessary 'and' connection nodes
     into a single Q-object.
     """
 
@@ -72,9 +69,9 @@ class QueryCompilerVisitor(QNodeVisitor):
         self.document = document
 
     def visit_combination(self, combination):
-        operator = "$and"
+        operator = '$and'
         if combination.operation == combination.OR:
-            operator = "$or"
+            operator = '$or'
         return {operator: combination.children}
 
     def visit_query(self, query):
@@ -82,8 +79,7 @@ class QueryCompilerVisitor(QNodeVisitor):
 
 
 class QNode(object):
-    """Base class for nodes in query trees.
+    """Base class for nodes in query trees."""
-    """
 
     AND = 0
     OR = 1
@@ -97,7 +93,8 @@ class QNode(object):
         raise NotImplementedError
 
     def _combine(self, other, operation):
-        """Combine this node with another node into a QCombination object.
+        """Combine this node with another node into a QCombination
+        object.
         """
         if getattr(other, 'empty', True):
             return self
@@ -119,8 +116,8 @@ class QNode(object):
 
 
 class QCombination(QNode):
-    """Represents the combination of several conditions by a given logical
+    """Represents the combination of several conditions by a given
-    operator.
+    logical operator.
     """
 
     def __init__(self, operation, children):

mongoengine/signals.py

@@ -1,11 +1,10 @@
-# -*- coding: utf-8 -*-
+__all__ = ('pre_init', 'post_init', 'pre_save', 'pre_save_post_validation',
-
+           'post_save', 'pre_delete', 'post_delete')
-__all__ = ['pre_init', 'post_init', 'pre_save', 'pre_save_post_validation',
-           'post_save', 'pre_delete', 'post_delete']
 
 signals_available = False
 try:
     from blinker import Namespace
+
     signals_available = True
 except ImportError:
     class Namespace(object):
@@ -27,11 +26,13 @@ except ImportError:
             raise RuntimeError('signalling support is unavailable '
                                'because the blinker library is '
                                'not installed.')
-        send = lambda *a, **kw: None
+
+        send = lambda *a, **kw: None  # noqa
         connect = disconnect = has_receivers_for = receivers_for = \
             temporarily_connected_to = _fail
         del _fail
 
+
 # the namespace for code signals.  If you are not mongoengine code, do
 # not put signals in here.  Create your own namespace instead.
 _signals = Namespace()

requirements.txt

@@ -1 +1,7 @@
+nose
 pymongo>=2.7.1
+six==1.10.0
+flake8
+flake8-import-order
+Sphinx==1.5.5
+sphinx-rtd-theme==0.2.4

setup.cfg

@@ -1,11 +1,11 @@
 [nosetests]
-verbosity = 3
+verbosity=2
 detailed-errors=1
-#with-coverage = 1
+tests=tests
-#cover-erase = 1
+cover-package=mongoengine
-#cover-html = 1
+
-#cover-html-dir = ../htmlcov
+[flake8]
-#cover-package = mongoengine
+ignore=E501,F401,F403,F405,I201
-py3where = build
+exclude=build,dist,docs,venv,venv3,.tox,.eggs,tests
-where = tests
+max-complexity=47
-#tests =  document/__init__.py
+application-import-names=mongoengine,tests

setup.py

@@ -1,6 +1,6 @@
 import os
 import sys
-from setuptools import setup, find_packages
+from setuptools import find_packages, setup
 
 # Hack to silence atexit traceback in newer python versions
 try:
@@ -8,20 +8,25 @@ try:
 except ImportError:
     pass
 
-DESCRIPTION = 'MongoEngine is a Python Object-Document ' + \
+DESCRIPTION = (
+    'MongoEngine is a Python Object-Document '
     'Mapper for working with MongoDB.'
-LONG_DESCRIPTION = None
+)
+
 try:
-    LONG_DESCRIPTION = open('README.rst').read()
+    with open('README.rst') as fin:
-except:
+        LONG_DESCRIPTION = fin.read()
-    pass
+except Exception:
+    LONG_DESCRIPTION = None
 
 
 def get_version(version_tuple):
-    if not isinstance(version_tuple[-1], int):
+    """Return the version tuple as a string, e.g. for (0, 10, 7),
-        return '.'.join(map(str, version_tuple[:-1])) + version_tuple[-1]
+    return '0.10.7'.
+    """
     return '.'.join(map(str, version_tuple))
 
+
 # Dirty hack to get version number from monogengine/__init__.py - we can't
 # import it as it depends on PyMongo and PyMongo isn't installed until this
 # file is read
@@ -29,7 +34,6 @@ init = os.path.join(os.path.dirname(__file__), 'mongoengine', '__init__.py')
 version_line = list(filter(lambda l: l.startswith('VERSION'), open(init)))[0]
 
 VERSION = get_version(eval(version_line.split('=')[-1]))
-print(VERSION)
 
 CLASSIFIERS = [
     'Development Status :: 4 - Beta',
@@ -38,32 +42,32 @@ CLASSIFIERS = [
     'Operating System :: OS Independent',
     'Programming Language :: Python',
     "Programming Language :: Python :: 2",
-    "Programming Language :: Python :: 2.6.6",
     "Programming Language :: Python :: 2.7",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.2",
     "Programming Language :: Python :: 3.3",
     "Programming Language :: Python :: 3.4",
+    "Programming Language :: Python :: 3.5",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     'Topic :: Database',
     'Topic :: Software Development :: Libraries :: Python Modules',
 ]
 
-extra_opts = {"packages": find_packages(exclude=["tests", "tests.*"])}
+extra_opts = {
+    'packages': find_packages(exclude=['tests', 'tests.*']),
+    'tests_require': ['nose', 'coverage==4.2', 'blinker', 'Pillow>=2.0.0']
+}
 if sys.version_info[0] == 3:
     extra_opts['use_2to3'] = True
-    extra_opts['tests_require'] = ['nose', 'coverage', 'blinker', 'jinja2==2.6', 'Pillow>=2.0.0', 'django>=1.5.1']
+    if 'test' in sys.argv or 'nosetests' in sys.argv:
-    if "test" in sys.argv or "nosetests" in sys.argv:
         extra_opts['packages'] = find_packages()
-        extra_opts['package_data'] = {"tests": ["fields/mongoengine.png", "fields/mongodb_leaf.png"]}
+        extra_opts['package_data'] = {
+            'tests': ['fields/mongoengine.png', 'fields/mongodb_leaf.png']}
 else:
-    extra_opts['tests_require'] = ['nose', 'coverage', 'blinker', 'django>=1.4.2', 'Pillow>=2.0.0', 'jinja2>=2.6', 'python-dateutil']
+    extra_opts['tests_require'] += ['python-dateutil']
 
-    if sys.version_info[0] == 2 and sys.version_info[1] == 6:
+setup(
-        extra_opts['tests_require'].append('unittest2')
+    name='mongoengine',
-
-setup(name='mongoengine',
     version=VERSION,
     author='Harry Marr',
     author_email='harry.marr@{nospam}gmail.com',
@@ -77,7 +81,7 @@ setup(name='mongoengine',
     long_description=LONG_DESCRIPTION,
     platforms=['any'],
     classifiers=CLASSIFIERS,
-      install_requires=['pymongo>=2.7.1'],
+    install_requires=['pymongo>=2.7.1', 'six'],
     test_suite='nose.collector',
     **extra_opts
 )

tests/__init__.py

@@ -2,4 +2,3 @@ from all_warnings import AllWarnings
 from document import *
 from queryset import *
 from fields import *
-from migration import *

tests/all_warnings/__init__.py

@@ -3,8 +3,6 @@ This test has been put into a module.  This is because it tests warnings that
 only get triggered on first hit.  This way we can ensure its imported into the
 top level and called first by the test suite.
 """
-import sys
-sys.path[0:0] = [""]
 import unittest
 import warnings
 

tests/document/__init__.py

@@ -1,5 +1,3 @@
-import sys
-sys.path[0:0] = [""]
 import unittest
 
 from class_methods import *

tests/document/class_methods.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-import sys
-sys.path[0:0] = [""]
 import unittest
 
 from mongoengine import *
@@ -36,9 +34,9 @@ class ClassMethodsTest(unittest.TestCase):
     def test_definition(self):
         """Ensure that document may be defined using fields.
         """
-        self.assertEqual(['age', 'id', 'name'],
+        self.assertEqual(['_cls', 'age', 'id', 'name'],
                          sorted(self.Person._fields.keys()))
-        self.assertEqual(["IntField", "ObjectIdField", "StringField"],
+        self.assertEqual(["IntField", "ObjectIdField", "StringField", "StringField"],
                         sorted([x.__class__.__name__ for x in
                                 self.Person._fields.values()]))
 

tests/document/delta.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-import sys
-sys.path[0:0] = [""]
 import unittest
 
 from bson import SON
@@ -93,6 +91,7 @@ class DeltaTest(unittest.TestCase):
     def delta_recursive(self, DocClass, EmbeddedClass):
 
         class Embedded(EmbeddedClass):
+            id = StringField()
             string_field = StringField()
             int_field = IntField()
             dict_field = DictField()
@@ -114,6 +113,7 @@ class DeltaTest(unittest.TestCase):
         self.assertEqual(doc._delta(), ({}, {}))
 
         embedded_1 = Embedded()
+        embedded_1.id = "010101"
         embedded_1.string_field = 'hello'
         embedded_1.int_field = 1
         embedded_1.dict_field = {'hello': 'world'}
@@ -123,6 +123,7 @@ class DeltaTest(unittest.TestCase):
         self.assertEqual(doc._get_changed_fields(), ['embedded_field'])
 
         embedded_delta = {
+            'id': "010101",
             'string_field': 'hello',
             'int_field': 1,
             'dict_field': {'hello': 'world'},
@@ -250,13 +251,13 @@ class DeltaTest(unittest.TestCase):
         self.assertEqual(doc.embedded_field.list_field[2].list_field,
                          [1, 2, {'hello': 'world'}])
 
-        del(doc.embedded_field.list_field[2].list_field[2]['hello'])
+        del doc.embedded_field.list_field[2].list_field[2]['hello']
         self.assertEqual(doc._delta(),
                          ({}, {'embedded_field.list_field.2.list_field.2.hello': 1}))
         doc.save()
         doc = doc.reload(10)
 
-        del(doc.embedded_field.list_field[2].list_field)
+        del doc.embedded_field.list_field[2].list_field
         self.assertEqual(doc._delta(),
                          ({}, {'embedded_field.list_field.2.list_field': 1}))
 
@@ -590,13 +591,13 @@ class DeltaTest(unittest.TestCase):
         self.assertEqual(doc.embedded_field.list_field[2].list_field,
             [1, 2, {'hello': 'world'}])
 
-        del(doc.embedded_field.list_field[2].list_field[2]['hello'])
+        del doc.embedded_field.list_field[2].list_field[2]['hello']
         self.assertEqual(doc._delta(),
             ({}, {'db_embedded_field.db_list_field.2.db_list_field.2.hello': 1}))
         doc.save()
         doc = doc.reload(10)
 
-        del(doc.embedded_field.list_field[2].list_field)
+        del doc.embedded_field.list_field[2].list_field
         self.assertEqual(doc._delta(), ({},
             {'db_embedded_field.db_list_field.2.db_list_field': 1}))
 
@@ -612,7 +613,7 @@ class DeltaTest(unittest.TestCase):
             SON([('_cls', 'Person'), ('name', 'James'), ('age', 34)]), {}))
 
         p.doc = 123
-        del(p.doc)
+        del p.doc
         self.assertEqual(p._delta(), (
             SON([('_cls', 'Person'), ('name', 'James'), ('age', 34)]), {}))
 
@@ -732,6 +733,56 @@ class DeltaTest(unittest.TestCase):
         mydoc._clear_changed_fields()
         self.assertEqual([], mydoc._get_changed_fields())
 
+    def test_lower_level_mark_as_changed(self):
+        class EmbeddedDoc(EmbeddedDocument):
+            name = StringField()
+
+        class MyDoc(Document):
+            subs = MapField(EmbeddedDocumentField(EmbeddedDoc))
+
+        MyDoc.drop_collection()
+
+        MyDoc().save()
+
+        mydoc = MyDoc.objects.first()
+        mydoc.subs['a'] = EmbeddedDoc()
+        self.assertEqual(["subs.a"], mydoc._get_changed_fields())
+
+        subdoc = mydoc.subs['a']
+        subdoc.name = 'bar'
+
+        self.assertEqual(["name"], subdoc._get_changed_fields())
+        self.assertEqual(["subs.a"], mydoc._get_changed_fields())
+        mydoc.save()
+
+        mydoc._clear_changed_fields()
+        self.assertEqual([], mydoc._get_changed_fields())
+
+    def test_upper_level_mark_as_changed(self):
+        class EmbeddedDoc(EmbeddedDocument):
+            name = StringField()
+
+        class MyDoc(Document):
+            subs = MapField(EmbeddedDocumentField(EmbeddedDoc))
+
+        MyDoc.drop_collection()
+
+        MyDoc(subs={'a': EmbeddedDoc(name='foo')}).save()
+
+        mydoc = MyDoc.objects.first()
+        subdoc = mydoc.subs['a']
+        subdoc.name = 'bar'
+
+        self.assertEqual(["name"], subdoc._get_changed_fields())
+        self.assertEqual(["subs.a.name"], mydoc._get_changed_fields())
+
+        mydoc.subs['a'] = EmbeddedDoc()
+        self.assertEqual(["subs.a"], mydoc._get_changed_fields())
+        mydoc.save()
+
+        mydoc._clear_changed_fields()
+        self.assertEqual([], mydoc._get_changed_fields())
+
     def test_referenced_object_changed_attributes(self):
         """Ensures that when you save a new reference to a field, the referenced object isn't altered"""
 
@@ -774,5 +825,43 @@ class DeltaTest(unittest.TestCase):
         org2.reload()
         self.assertEqual(org2.name, 'New Org 2')
 
+    def test_delta_for_nested_map_fields(self):
+        class UInfoDocument(Document):
+            phone = StringField()
+
+        class EmbeddedRole(EmbeddedDocument):
+            type = StringField()
+
+        class EmbeddedUser(EmbeddedDocument):
+            name = StringField()
+            roles = MapField(field=EmbeddedDocumentField(EmbeddedRole))
+            rolist = ListField(field=EmbeddedDocumentField(EmbeddedRole))
+            info = ReferenceField(UInfoDocument)
+
+        class Doc(Document):
+            users = MapField(field=EmbeddedDocumentField(EmbeddedUser))
+            num = IntField(default=-1)
+
+        Doc.drop_collection()
+
+        doc = Doc(num=1)
+        doc.users["007"] = EmbeddedUser(name="Agent007")
+        doc.save()
+
+        uinfo = UInfoDocument(phone="79089269066")
+        uinfo.save()
+
+        d = Doc.objects(num=1).first()
+        d.users["007"]["roles"]["666"] = EmbeddedRole(type="superadmin")
+        d.users["007"]["rolist"].append(EmbeddedRole(type="oops"))
+        d.users["007"]["info"] = uinfo
+        delta = d._delta()
+        self.assertEqual(True, "users.007.roles.666" in delta[0])
+        self.assertEqual(True, "users.007.rolist" in delta[0])
+        self.assertEqual(True, "users.007.info" in delta[0])
+        self.assertEqual('superadmin', delta[0]["users.007.roles.666"]["type"])
+        self.assertEqual('oops', delta[0]["users.007.rolist"][0]["type"])
+        self.assertEqual(uinfo.id, delta[0]["users.007.info"])
+
 if __name__ == '__main__':
     unittest.main()

tests/document/dynamic.py

@@ -1,6 +1,4 @@
 import unittest
-import sys
-sys.path[0:0] = [""]
 
 from mongoengine import *
 from mongoengine.connection import get_db
@@ -72,7 +70,7 @@ class DynamicTest(unittest.TestCase):
         obj = collection.find_one()
         self.assertEqual(sorted(obj.keys()), ['_cls', '_id', 'misc', 'name'])
 
-        del(p.misc)
+        del p.misc
         p.save()
 
         p = self.Person.objects.get()
@@ -81,6 +79,25 @@ class DynamicTest(unittest.TestCase):
         obj = collection.find_one()
         self.assertEqual(sorted(obj.keys()), ['_cls', '_id', 'name'])
 
+    def test_reload_after_unsetting(self):
+        p = self.Person()
+        p.misc = 22
+        p.save()
+        p.update(unset__misc=1)
+        p.reload()
+
+    def test_reload_dynamic_field(self):
+        self.Person.objects.delete()
+        p = self.Person.objects.create()
+        p.update(age=1)
+
+        self.assertEqual(len(p._data), 3)
+        self.assertEqual(sorted(p._data.keys()), ['_cls', 'id', 'name'])
+
+        p.reload()
+        self.assertEqual(len(p._data), 4)
+        self.assertEqual(sorted(p._data.keys()), ['_cls', 'age', 'id', 'name'])
+
     def test_dynamic_document_queries(self):
         """Ensure we can query dynamic fields"""
         p = self.Person()
@@ -122,6 +139,13 @@ class DynamicTest(unittest.TestCase):
 
         self.assertEqual(1, self.Person.objects(misc__hello='world').count())
 
+    def test_three_level_complex_data_lookups(self):
+        """Ensure you can query three level document dynamic fields"""
+        p = self.Person.objects.create(
+            misc={'hello': {'hello2': 'world'}}
+        )
+        self.assertEqual(1, self.Person.objects(misc__hello__hello2='world').count())
+
     def test_complex_embedded_document_validation(self):
         """Ensure embedded dynamic documents may be validated"""
         class Embedded(DynamicEmbeddedDocument):
@@ -340,7 +364,6 @@ class DynamicTest(unittest.TestCase):
 
         self.assertEqual(Person.objects.first().address.city, "Londinium")
 
-
         person = Person.objects.first()
         person["age"] = 35
         person.save()

tests/document/indexes.py

@@ -1,16 +1,15 @@
 # -*- coding: utf-8 -*-
 import unittest
 import sys
-sys.path[0:0] = [""]
-
-import os
-import pymongo
 
 from nose.plugins.skip import SkipTest
 from datetime import datetime
+import pymongo
 
 from mongoengine import *
-from mongoengine.connection import get_db, get_connection
+from mongoengine.connection import get_db
+
+from tests.utils import get_mongodb_version, needs_mongodb_v26
 
 __all__ = ("IndexesTest", )
 
@@ -18,7 +17,7 @@ __all__ = ("IndexesTest", )
 class IndexesTest(unittest.TestCase):
 
     def setUp(self):
-        connect(db='mongoenginetest')
+        self.connection = connect(db='mongoenginetest')
         self.db = get_db()
 
         class Person(Document):
@@ -32,10 +31,7 @@ class IndexesTest(unittest.TestCase):
         self.Person = Person
 
     def tearDown(self):
-        for collection in self.db.collection_names():
+        self.connection.drop_database(self.db)
-            if 'system.' in collection:
-                continue
-            self.db.drop_collection(collection)
 
     def test_indexes_document(self):
         """Ensure that indexes are used when meta[indexes] is specified for
@@ -175,6 +171,16 @@ class IndexesTest(unittest.TestCase):
         info = A._get_collection().index_information()
         self.assertEqual(len(info.keys()), 2)
 
+        class B(A):
+            c = StringField()
+            d = StringField()
+            meta = {
+                'indexes': [{'fields': ['c']}, {'fields': ['d'], 'cls': True}],
+                'allow_inheritance': True
+            }
+        self.assertEqual([('c', 1)], B._meta['index_specs'][1]['fields'])
+        self.assertEqual([('_cls', 1), ('d', 1)], B._meta['index_specs'][2]['fields'])
+
     def test_build_index_spec_is_not_destructive(self):
 
         class MyDoc(Document):
@@ -265,6 +271,60 @@ class IndexesTest(unittest.TestCase):
         info = [value['key'] for key, value in info.iteritems()]
         self.assertTrue([('current.location.point', '2d')] in info)
 
+    def test_explicit_geosphere_index(self):
+        """Ensure that geosphere indexes work when created via meta[indexes]
+        """
+        class Place(Document):
+            location = DictField()
+            meta = {
+                'allow_inheritance': True,
+                'indexes': [
+                    '(location.point',
+                ]
+            }
+
+        self.assertEqual([{'fields': [('location.point', '2dsphere')]}],
+                         Place._meta['index_specs'])
+
+        Place.ensure_indexes()
+        info = Place._get_collection().index_information()
+        info = [value['key'] for key, value in info.iteritems()]
+        self.assertTrue([('location.point', '2dsphere')] in info)
+
+    def test_explicit_geohaystack_index(self):
+        """Ensure that geohaystack indexes work when created via meta[indexes]
+        """
+        raise SkipTest('GeoHaystack index creation is not supported for now'
+                       'from meta, as it requires a bucketSize parameter.')
+
+        class Place(Document):
+            location = DictField()
+            name = StringField()
+            meta = {
+                'indexes': [
+                    (')location.point', 'name')
+                ]
+            }
+        self.assertEqual([{'fields': [('location.point', 'geoHaystack'), ('name', 1)]}],
+                         Place._meta['index_specs'])
+
+        Place.ensure_indexes()
+        info = Place._get_collection().index_information()
+        info = [value['key'] for key, value in info.iteritems()]
+        self.assertTrue([('location.point', 'geoHaystack')] in info)
+
+    def test_create_geohaystack_index(self):
+        """Ensure that geohaystack indexes can be created
+        """
+        class Place(Document):
+            location = DictField()
+            name = StringField()
+
+        Place.create_index({'fields': (')location.point', 'name')}, bucketSize=10)
+        info = Place._get_collection().index_information()
+        info = [value['key'] for key, value in info.iteritems()]
+        self.assertTrue([('location.point', 'geoHaystack'), ('name', 1)] in info)
+
     def test_dictionary_indexes(self):
         """Ensure that indexes are used when meta[indexes] contains
         dictionaries instead of lists.
@@ -352,7 +412,6 @@ class IndexesTest(unittest.TestCase):
         User.ensure_indexes()
         info = User.objects._collection.index_information()
         self.assertEqual(sorted(info.keys()), ['_cls_1_user_guid_1', '_id_'])
-        User.drop_collection()
 
     def test_embedded_document_index(self):
         """Tests settings an index on an embedded document
@@ -374,7 +433,6 @@ class IndexesTest(unittest.TestCase):
 
         info = BlogPost.objects._collection.index_information()
         self.assertEqual(sorted(info.keys()), ['_id_', 'date.yr_-1'])
-        BlogPost.drop_collection()
 
     def test_list_embedded_document_index(self):
         """Ensure list embedded documents can be indexed
@@ -401,7 +459,6 @@ class IndexesTest(unittest.TestCase):
         post1 = BlogPost(title="Embedded Indexes tests in place",
                          tags=[Tag(name="about"), Tag(name="time")])
         post1.save()
-        BlogPost.drop_collection()
 
     def test_recursive_embedded_objects_dont_break_indexes(self):
 
@@ -422,6 +479,7 @@ class IndexesTest(unittest.TestCase):
 
         class Test(Document):
             a = IntField()
+            b = IntField()
 
             meta = {
                 'indexes': ['a'],
@@ -433,16 +491,35 @@ class IndexesTest(unittest.TestCase):
         obj = Test(a=1)
         obj.save()
 
+        IS_MONGODB_3 = get_mongodb_version()[0] >= 3
+
         # Need to be explicit about covered indexes as mongoDB doesn't know if
         # the documents returned might have more keys in that here.
         query_plan = Test.objects(id=obj.id).exclude('a').explain()
+        if not IS_MONGODB_3:
             self.assertFalse(query_plan['indexOnly'])
+        else:
+            self.assertEqual(query_plan.get('queryPlanner').get('winningPlan').get('inputStage').get('stage'), 'IDHACK')
 
         query_plan = Test.objects(id=obj.id).only('id').explain()
+        if not IS_MONGODB_3:
             self.assertTrue(query_plan['indexOnly'])
+        else:
+            self.assertEqual(query_plan.get('queryPlanner').get('winningPlan').get('inputStage').get('stage'), 'IDHACK')
 
         query_plan = Test.objects(a=1).only('a').exclude('id').explain()
+        if not IS_MONGODB_3:
             self.assertTrue(query_plan['indexOnly'])
+        else:
+            self.assertEqual(query_plan.get('queryPlanner').get('winningPlan').get('inputStage').get('stage'), 'IXSCAN')
+            self.assertEqual(query_plan.get('queryPlanner').get('winningPlan').get('stage'), 'PROJECTION')
+
+        query_plan = Test.objects(a=1).explain()
+        if not IS_MONGODB_3:
+            self.assertFalse(query_plan['indexOnly'])
+        else:
+            self.assertEqual(query_plan.get('queryPlanner').get('winningPlan').get('inputStage').get('stage'), 'IXSCAN')
+            self.assertEqual(query_plan.get('queryPlanner').get('winningPlan').get('stage'), 'FETCH')
 
     def test_index_on_id(self):
 
@@ -475,22 +552,28 @@ class IndexesTest(unittest.TestCase):
 
         BlogPost.drop_collection()
 
-        for i in xrange(0, 10):
+        for i in range(0, 10):
-            tags = [("tag %i" % n) for n in xrange(0, i % 2)]
+            tags = [("tag %i" % n) for n in range(0, i % 2)]
             BlogPost(tags=tags).save()
 
         self.assertEqual(BlogPost.objects.count(), 10)
         self.assertEqual(BlogPost.objects.hint().count(), 10)
+
+        # PyMongo 3.0 bug only, works correctly with 2.X and 3.0.1+ versions
+        if pymongo.version != '3.0':
             self.assertEqual(BlogPost.objects.hint([('tags', 1)]).count(), 10)
 
             self.assertEqual(BlogPost.objects.hint([('ZZ', 1)]).count(), 10)
 
+        if pymongo.version >= '2.8':
+            self.assertEqual(BlogPost.objects.hint('tags').count(), 10)
+        else:
             def invalid_index():
-            BlogPost.objects.hint('tags')
+                BlogPost.objects.hint('tags').next()
             self.assertRaises(TypeError, invalid_index)
 
         def invalid_index_2():
-            return BlogPost.objects.hint(('tags', 1))
+            return BlogPost.objects.hint(('tags', 1)).next()
         self.assertRaises(Exception, invalid_index_2)
 
     def test_unique(self):
@@ -536,8 +619,6 @@ class IndexesTest(unittest.TestCase):
         post3 = BlogPost(title='test3', date=Date(year=2010), slug='test')
         self.assertRaises(OperationError, post3.save)
 
-        BlogPost.drop_collection()
-
     def test_unique_embedded_document(self):
         """Ensure that uniqueness constraints are applied to fields on embedded documents.
         """
@@ -565,8 +646,36 @@ class IndexesTest(unittest.TestCase):
                          sub=SubDocument(year=2010, slug='test'))
         self.assertRaises(NotUniqueError, post3.save)
 
+    def test_unique_embedded_document_in_list(self):
+        """
+        Ensure that the uniqueness constraints are applied to fields in
+        embedded documents, even when the embedded documents in in a
+        list field.
+        """
+        class SubDocument(EmbeddedDocument):
+            year = IntField(db_field='yr')
+            slug = StringField(unique=True)
+
+        class BlogPost(Document):
+            title = StringField()
+            subs = ListField(EmbeddedDocumentField(SubDocument))
+
         BlogPost.drop_collection()
 
+        post1 = BlogPost(
+            title='test1', subs=[
+                SubDocument(year=2009, slug='conflict'),
+                SubDocument(year=2009, slug='conflict')
+            ]
+        )
+        post1.save()
+
+        post2 = BlogPost(
+            title='test2', subs=[SubDocument(year=2014, slug='conflict')]
+        )
+
+        self.assertRaises(NotUniqueError, post2.save)
+
     def test_unique_with_embedded_document_and_embedded_unique(self):
         """Ensure that uniqueness constraints are applied to fields on
         embedded documents.  And work with unique_with as well.
@@ -600,8 +709,6 @@ class IndexesTest(unittest.TestCase):
                          sub=SubDocument(year=2009, slug='test-1'))
         self.assertRaises(NotUniqueError, post3.save)
 
-        BlogPost.drop_collection()
-
     def test_ttl_indexes(self):
 
         class Log(Document):
@@ -614,14 +721,6 @@ class IndexesTest(unittest.TestCase):
 
         Log.drop_collection()
 
-        if pymongo.version_tuple[0] < 2 and pymongo.version_tuple[1] < 3:
-            raise SkipTest('pymongo needs to be 2.3 or higher for this test')
-
-        connection = get_connection()
-        version_array = connection.server_info()['versionArray']
-        if version_array[0] < 2 and version_array[1] < 2:
-            raise SkipTest('MongoDB needs to be 2.2 or higher for this test')
-
         # Indexes are lazy so use list() to perform query
         list(Log.objects)
         info = Log.objects._collection.index_information()
@@ -649,13 +748,11 @@ class IndexesTest(unittest.TestCase):
             raise AssertionError("We saved a dupe!")
         except NotUniqueError:
             pass
-        Customer.drop_collection()
 
     def test_unique_and_primary(self):
         """If you set a field as primary, then unexpected behaviour can occur.
         You won't create a duplicate but you will update an existing document.
         """
-
         class User(Document):
             name = StringField(primary_key=True, unique=True)
             password = StringField()
@@ -671,8 +768,23 @@ class IndexesTest(unittest.TestCase):
         self.assertEqual(User.objects.count(), 1)
         self.assertEqual(User.objects.get().password, 'secret2')
 
+    def test_unique_and_primary_create(self):
+        """Create a new record with a duplicate primary key
+        throws an exception
+        """
+        class User(Document):
+            name = StringField(primary_key=True)
+            password = StringField()
+
         User.drop_collection()
 
+        User.objects.create(name='huangz', password='secret')
+        with self.assertRaises(NotUniqueError):
+            User.objects.create(name='huangz', password='secret2')
+
+        self.assertEqual(User.objects.count(), 1)
+        self.assertEqual(User.objects.get().password, 'secret')
+
     def test_index_with_pk(self):
         """Ensure you can use `pk` as part of a query"""
 
@@ -699,33 +811,34 @@ class IndexesTest(unittest.TestCase):
             name = StringField(required=True)
             term = StringField(required=True)
 
-        class Report(Document):
+        class ReportEmbedded(Document):
             key = EmbeddedDocumentField(CompoundKey, primary_key=True)
             text = StringField()
 
-        Report.drop_collection()
-
         my_key = CompoundKey(name="n", term="ok")
-        report = Report(text="OK", key=my_key).save()
+        report = ReportEmbedded(text="OK", key=my_key).save()
 
         self.assertEqual({'text': 'OK', '_id': {'term': 'ok', 'name': 'n'}},
                          report.to_mongo())
-        self.assertEqual(report, Report.objects.get(pk=my_key))
+        self.assertEqual(report, ReportEmbedded.objects.get(pk=my_key))
 
     def test_compound_key_dictfield(self):
 
-        class Report(Document):
+        class ReportDictField(Document):
             key = DictField(primary_key=True)
             text = StringField()
 
-        Report.drop_collection()
-
         my_key = {"name": "n", "term": "ok"}
-        report = Report(text="OK", key=my_key).save()
+        report = ReportDictField(text="OK", key=my_key).save()
 
         self.assertEqual({'text': 'OK', '_id': {'term': 'ok', 'name': 'n'}},
                          report.to_mongo())
-        self.assertEqual(report, Report.objects.get(pk=my_key))
+
+        # We can't directly call ReportDictField.objects.get(pk=my_key),
+        # because dicts are unordered, and if the order in MongoDB is
+        # different than the one in `my_key`, this test will fail.
+        self.assertEqual(report, ReportDictField.objects.get(pk__name=my_key['name']))
+        self.assertEqual(report, ReportDictField.objects.get(pk__term=my_key['term']))
 
     def test_string_indexes(self):
 
@@ -740,8 +853,22 @@ class IndexesTest(unittest.TestCase):
         self.assertTrue([('provider_ids.foo', 1)] in info)
         self.assertTrue([('provider_ids.bar', 1)] in info)
 
-    def test_text_indexes(self):
+    def test_sparse_compound_indexes(self):
 
+        class MyDoc(Document):
+            provider_ids = DictField()
+            meta = {
+                "indexes": [{'fields': ("provider_ids.foo", "provider_ids.bar"),
+                             'sparse': True}],
+            }
+
+        info = MyDoc.objects._collection.index_information()
+        self.assertEqual([('provider_ids.foo', 1), ('provider_ids.bar', 1)],
+                         info['provider_ids.foo_1_provider_ids.bar_1']['key'])
+        self.assertTrue(info['provider_ids.foo_1_provider_ids.bar_1']['sparse'])
+
+    @needs_mongodb_v26
+    def test_text_indexes(self):
         class Book(Document):
             title = DictField()
             meta = {
@@ -753,6 +880,141 @@ class IndexesTest(unittest.TestCase):
         key = indexes["title_text"]["key"]
         self.assertTrue(('_fts', 'text') in key)
 
+    def test_hashed_indexes(self):
+
+        class Book(Document):
+            ref_id = StringField()
+            meta = {
+                "indexes": ["#ref_id"],
+            }
+
+        indexes = Book.objects._collection.index_information()
+        self.assertTrue("ref_id_hashed" in indexes)
+        self.assertTrue(('ref_id', 'hashed') in indexes["ref_id_hashed"]["key"])
+
+    def test_indexes_after_database_drop(self):
+        """
+        Test to ensure that indexes are re-created on a collection even
+        after the database has been dropped.
+
+        Issue #812
+        """
+        # Use a new connection and database since dropping the database could
+        # cause concurrent tests to fail.
+        connection = connect(db='tempdatabase',
+                             alias='test_indexes_after_database_drop')
+
+        class BlogPost(Document):
+            title = StringField()
+            slug = StringField(unique=True)
+
+            meta = {'db_alias': 'test_indexes_after_database_drop'}
+
+        try:
+            BlogPost.drop_collection()
+
+            # Create Post #1
+            post1 = BlogPost(title='test1', slug='test')
+            post1.save()
+
+            # Drop the Database
+            connection.drop_database('tempdatabase')
+
+            # Re-create Post #1
+            post1 = BlogPost(title='test1', slug='test')
+            post1.save()
+
+            # Create Post #2
+            post2 = BlogPost(title='test2', slug='test')
+            self.assertRaises(NotUniqueError, post2.save)
+        finally:
+            # Drop the temporary database at the end
+            connection.drop_database('tempdatabase')
+
+
+    def test_index_dont_send_cls_option(self):
+        """
+        Ensure that 'cls' option is not sent through ensureIndex. We shouldn't
+        send internal MongoEngine arguments that are not a part of the index
+        spec.
+
+        This is directly related to the fact that MongoDB doesn't validate the
+        options that are passed to ensureIndex. For more details, see:
+        https://jira.mongodb.org/browse/SERVER-769
+        """
+        class TestDoc(Document):
+            txt = StringField()
+
+            meta = {
+                'allow_inheritance': True,
+                'indexes': [
+                    {'fields': ('txt',), 'cls': False}
+                ]
+            }
+
+        class TestChildDoc(TestDoc):
+            txt2 = StringField()
+
+            meta = {
+                'indexes': [
+                    {'fields': ('txt2',), 'cls': False}
+                ]
+            }
+
+        TestDoc.drop_collection()
+        TestDoc.ensure_indexes()
+        TestChildDoc.ensure_indexes()
+
+        index_info = TestDoc._get_collection().index_information()
+        for key in index_info:
+            del index_info[key]['v']  # drop the index version - we don't care about that here
+            if 'ns' in index_info[key]:
+                del index_info[key]['ns']  # drop the index namespace - we don't care about that here, MongoDB 3+
+            if 'dropDups' in index_info[key]:
+                del index_info[key]['dropDups']  # drop the index dropDups - it is deprecated in MongoDB 3+
+
+        self.assertEqual(index_info, {
+            'txt_1': {
+                'key': [('txt', 1)],
+                'background': False
+            },
+            '_id_': {
+                'key': [('_id', 1)],
+            },
+            'txt2_1': {
+                'key': [('txt2', 1)],
+                'background': False
+            },
+            '_cls_1': {
+                'key': [('_cls', 1)],
+                'background': False,
+            }
+        })
+
+    def test_compound_index_underscore_cls_not_overwritten(self):
+        """
+        Test that the compound index doesn't get another _cls when it is specified
+        """
+        class TestDoc(Document):
+            shard_1 = StringField()
+            txt_1 = StringField()
+
+            meta = {
+                'collection': 'test',
+                'allow_inheritance': True,
+                'sparse': True,
+                'shard_key': 'shard_1',
+                'indexes': [
+                    ('shard_1', '_cls', 'txt_1'),
+                ]
+            }
+
+        TestDoc.drop_collection()
+        TestDoc.ensure_indexes()
+
+        index_info = TestDoc._get_collection().index_information()
+        self.assertTrue('shard_1_1__cls_1_txt_1_1' in index_info)
+
 
 if __name__ == '__main__':
     unittest.main()

tests/document/inheritance.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-import sys
-sys.path[0:0] = [""]
 import unittest
 import warnings
 
@@ -163,7 +161,7 @@ class InheritanceTest(unittest.TestCase):
         class Employee(Person):
             salary = IntField()
 
-        self.assertEqual(['age', 'id', 'name', 'salary'],
+        self.assertEqual(['_cls', 'age', 'id', 'name', 'salary'],
                          sorted(Employee._fields.keys()))
         self.assertEqual(Employee._get_collection_name(),
                          Person._get_collection_name())
@@ -180,7 +178,7 @@ class InheritanceTest(unittest.TestCase):
         class Employee(Person):
             salary = IntField()
 
-        self.assertEqual(['age', 'id', 'name', 'salary'],
+        self.assertEqual(['_cls', 'age', 'id', 'name', 'salary'],
                          sorted(Employee._fields.keys()))
         self.assertEqual(Person(name="Bob", age=35).to_mongo().keys(),
                          ['_cls', 'name', 'age'])
@@ -253,19 +251,17 @@ class InheritanceTest(unittest.TestCase):
         self.assertEqual(classes, [Human])
 
     def test_allow_inheritance(self):
-        """Ensure that inheritance may be disabled on simple classes and that
+        """Ensure that inheritance is disabled by default on simple
-        _cls and _subclasses will not be used.
+        classes and that _cls will not be used.
         """
-
         class Animal(Document):
             name = StringField()
 
-        def create_dog_class():
+        # can't inherit because Animal didn't explicitly allow inheritance
+        with self.assertRaises(ValueError):
             class Dog(Animal):
                 pass
 
-        self.assertRaises(ValueError, create_dog_class)
-
         # Check that _cls etc aren't present on simple documents
         dog = Animal(name='dog').save()
         self.assertEqual(dog.to_mongo().keys(), ['_id', 'name'])
@@ -275,17 +271,15 @@ class InheritanceTest(unittest.TestCase):
         self.assertFalse('_cls' in obj)
 
     def test_cant_turn_off_inheritance_on_subclass(self):
-        """Ensure if inheritance is on in a subclass you cant turn it off
+        """Ensure if inheritance is on in a subclass you cant turn it off.
         """
-
         class Animal(Document):
             name = StringField()
             meta = {'allow_inheritance': True}
 
-        def create_mammal_class():
+        with self.assertRaises(ValueError):
             class Mammal(Animal):
                 meta = {'allow_inheritance': False}
-        self.assertRaises(ValueError, create_mammal_class)
 
     def test_allow_inheritance_abstract_document(self):
         """Ensure that abstract documents can set inheritance rules and that
@@ -298,28 +292,87 @@ class InheritanceTest(unittest.TestCase):
         class Animal(FinalDocument):
             name = StringField()
 
-        def create_mammal_class():
+        with self.assertRaises(ValueError):
             class Mammal(Animal):
                 pass
-        self.assertRaises(ValueError, create_mammal_class)
 
         # Check that _cls isn't present in simple documents
         doc = Animal(name='dog')
         self.assertFalse('_cls' in doc.to_mongo())
 
-    def test_allow_inheritance_embedded_document(self):
+    def test_abstract_handle_ids_in_metaclass_properly(self):
-        """Ensure embedded documents respect inheritance
-        """
 
+        class City(Document):
+            continent = StringField()
+            meta = {'abstract': True,
+                    'allow_inheritance': False}
+
+        class EuropeanCity(City):
+            name = StringField()
+
+        berlin = EuropeanCity(name='Berlin', continent='Europe')
+        self.assertEqual(len(berlin._db_field_map), len(berlin._fields_ordered))
+        self.assertEqual(len(berlin._reverse_db_field_map), len(berlin._fields_ordered))
+        self.assertEqual(len(berlin._fields_ordered), 3)
+        self.assertEqual(berlin._fields_ordered[0], 'id')
+
+    def test_auto_id_not_set_if_specific_in_parent_class(self):
+
+        class City(Document):
+            continent = StringField()
+            city_id = IntField(primary_key=True)
+            meta = {'abstract': True,
+                    'allow_inheritance': False}
+
+        class EuropeanCity(City):
+            name = StringField()
+
+        berlin = EuropeanCity(name='Berlin', continent='Europe')
+        self.assertEqual(len(berlin._db_field_map), len(berlin._fields_ordered))
+        self.assertEqual(len(berlin._reverse_db_field_map), len(berlin._fields_ordered))
+        self.assertEqual(len(berlin._fields_ordered), 3)
+        self.assertEqual(berlin._fields_ordered[0], 'city_id')
+
+    def test_auto_id_vs_non_pk_id_field(self):
+
+        class City(Document):
+            continent = StringField()
+            id = IntField()
+            meta = {'abstract': True,
+                    'allow_inheritance': False}
+
+        class EuropeanCity(City):
+            name = StringField()
+
+        berlin = EuropeanCity(name='Berlin', continent='Europe')
+        self.assertEqual(len(berlin._db_field_map), len(berlin._fields_ordered))
+        self.assertEqual(len(berlin._reverse_db_field_map), len(berlin._fields_ordered))
+        self.assertEqual(len(berlin._fields_ordered), 4)
+        self.assertEqual(berlin._fields_ordered[0], 'auto_id_0')
+        berlin.save()
+        self.assertEqual(berlin.pk, berlin.auto_id_0)
+
+    def test_abstract_document_creation_does_not_fail(self):
+        class City(Document):
+            continent = StringField()
+            meta = {'abstract': True,
+                    'allow_inheritance': False}
+
+        bkk = City(continent='asia')
+        self.assertEqual(None, bkk.pk)
+        # TODO: expected error? Shouldn't we create a new error type?
+        with self.assertRaises(KeyError):
+            setattr(bkk, 'pk', 1)
+
+    def test_allow_inheritance_embedded_document(self):
+        """Ensure embedded documents respect inheritance."""
         class Comment(EmbeddedDocument):
             content = StringField()
 
-        def create_special_comment():
+        with self.assertRaises(ValueError):
             class SpecialComment(Comment):
                 pass
 
-        self.assertRaises(ValueError, create_special_comment)
-
         doc = Comment(content='test')
         self.assertFalse('_cls' in doc.to_mongo())
 
@@ -348,7 +401,7 @@ class InheritanceTest(unittest.TestCase):
         try:
             class MyDocument(DateCreatedDocument, DateUpdatedDocument):
                 pass
-        except:
+        except Exception:
             self.assertTrue(False, "Couldn't create MyDocument class")
 
     def test_abstract_documents(self):
@@ -391,11 +444,21 @@ class InheritanceTest(unittest.TestCase):
         self.assertEqual(Guppy._get_collection_name(), 'fish')
         self.assertEqual(Human._get_collection_name(), 'human')
 
-        def create_bad_abstract():
+        # ensure that a subclass of a non-abstract class can't be abstract
+        with self.assertRaises(ValueError):
             class EvilHuman(Human):
                 evil = BooleanField(default=True)
                 meta = {'abstract': True}
-        self.assertRaises(ValueError, create_bad_abstract)
+
+    def test_abstract_embedded_documents(self):
+        # 789: EmbeddedDocument shouldn't inherit abstract
+        class A(EmbeddedDocument):
+            meta = {"abstract": True}
+
+        class B(A):
+            pass
+
+        self.assertFalse(B._meta["abstract"])
 
     def test_inherited_collections(self):
         """Ensure that subclassed documents don't override parents'

tests/document/json_serialisation.py

@@ -1,6 +1,3 @@
-import sys
-sys.path[0:0] = [""]
-
 import unittest
 import uuid
 
@@ -51,6 +48,10 @@ class TestJson(unittest.TestCase):
             string = StringField()
             embedded_field = EmbeddedDocumentField(Embedded)
 
+            def __eq__(self, other):
+                return (self.string == other.string and
+                        self.embedded_field == other.embedded_field)
+
         doc = Doc(string="Hi", embedded_field=Embedded(string="Hi"))
 
         doc_json = doc.to_json(sort_keys=True, separators=(',', ':'))
@@ -99,6 +100,10 @@ class TestJson(unittest.TestCase):
             generic_embedded_document_field = GenericEmbeddedDocumentField(
                                         default=lambda: EmbeddedDoc())
 
+            def __eq__(self, other):
+                import json
+                return json.loads(self.to_json()) == json.loads(other.to_json())
+
         doc = Doc()
         self.assertEqual(doc, Doc.from_json(doc.to_json()))
 

tests/document/validation.py

@@ -1,7 +1,4 @@
 # -*- coding: utf-8 -*-
-import sys
-sys.path[0:0] = [""]
-
 import unittest
 from datetime import datetime
 
@@ -60,7 +57,7 @@ class ValidatorErrorTest(unittest.TestCase):
 
         try:
             User().validate()
-        except ValidationError, e:
+        except ValidationError as e:
             self.assertTrue("User:None" in e.message)
             self.assertEqual(e.to_dict(), {
                 'username': 'Field is required',
@@ -70,7 +67,7 @@ class ValidatorErrorTest(unittest.TestCase):
         user.name = None
         try:
             user.save()
-        except ValidationError, e:
+        except ValidationError as e:
             self.assertTrue("User:RossC0" in e.message)
             self.assertEqual(e.to_dict(), {
                 'name': 'Field is required'})
@@ -118,7 +115,7 @@ class ValidatorErrorTest(unittest.TestCase):
 
         try:
             Doc(id="bad").validate()
-        except ValidationError, e:
+        except ValidationError as e:
             self.assertTrue("SubDoc:None" in e.message)
             self.assertEqual(e.to_dict(), {
                 "e": {'val': 'OK could not be converted to int'}})
@@ -136,7 +133,7 @@ class ValidatorErrorTest(unittest.TestCase):
         doc.e.val = "OK"
         try:
             doc.save()
-        except ValidationError, e:
+        except ValidationError as e:
             self.assertTrue("Doc:test" in e.message)
             self.assertEqual(e.to_dict(), {
                 "e": {'val': 'OK could not be converted to int'}})
@@ -156,14 +153,61 @@ class ValidatorErrorTest(unittest.TestCase):
 
         s = SubDoc()
 
-        self.assertRaises(ValidationError, lambda: s.validate())
+        self.assertRaises(ValidationError, s.validate)
 
         d1.e = s
         d2.e = s
 
         del d1
 
-        self.assertRaises(ValidationError, lambda: d2.validate())
+        self.assertRaises(ValidationError, d2.validate)
+
+    def test_parent_reference_in_child_document(self):
+        """
+        Test to ensure a ReferenceField can store a reference to a parent
+        class when inherited. Issue #954.
+        """
+        class Parent(Document):
+            meta = {'allow_inheritance': True}
+            reference = ReferenceField('self')
+
+        class Child(Parent):
+            pass
+
+        parent = Parent()
+        parent.save()
+
+        child = Child(reference=parent)
+
+        # Saving child should not raise a ValidationError
+        try:
+            child.save()
+        except ValidationError as e:
+            self.fail("ValidationError raised: %s" % e.message)
+
+    def test_parent_reference_set_as_attribute_in_child_document(self):
+        """
+        Test to ensure a ReferenceField can store a reference to a parent
+        class when inherited and when set via attribute. Issue #954.
+        """
+        class Parent(Document):
+            meta = {'allow_inheritance': True}
+            reference = ReferenceField('self')
+
+        class Child(Parent):
+            pass
+
+        parent = Parent()
+        parent.save()
+
+        child = Child()
+        child.reference = parent
+
+        # Saving the child should not raise a ValidationError
+        try:
+            child.save()
+        except ValidationError as e:
+            self.fail("ValidationError raised: %s" % e.message)
 
 
 if __name__ == '__main__':

tests/fields/file_tests.py

@@ -1,18 +1,16 @@
 # -*- coding: utf-8 -*-
-import sys
-sys.path[0:0] = [""]
-
 import copy
 import os
 import unittest
 import tempfile
 
 import gridfs
+import six
 
 from nose.plugins.skip import SkipTest
 from mongoengine import *
 from mongoengine.connection import get_db
-from mongoengine.python_support import PY3, b, StringIO
+from mongoengine.python_support import StringIO
 
 try:
     from PIL import Image
@@ -20,15 +18,13 @@ try:
 except ImportError:
     HAS_PIL = False
 
+from tests.utils import MongoDBTestCase
+
 TEST_IMAGE_PATH = os.path.join(os.path.dirname(__file__), 'mongoengine.png')
 TEST_IMAGE2_PATH = os.path.join(os.path.dirname(__file__), 'mongodb_leaf.png')
 
 
-class FileTest(unittest.TestCase):
+class FileTest(MongoDBTestCase):
-
-    def setUp(self):
-        connect(db='mongoenginetest')
-        self.db = get_db()
 
     def tearDown(self):
         self.db.drop_collection('fs.files')
@@ -49,7 +45,7 @@ class FileTest(unittest.TestCase):
 
         PutFile.drop_collection()
 
-        text = b('Hello, World!')
+        text = six.b('Hello, World!')
         content_type = 'text/plain'
 
         putfile = PutFile()
@@ -88,8 +84,8 @@ class FileTest(unittest.TestCase):
 
         StreamFile.drop_collection()
 
-        text = b('Hello, World!')
+        text = six.b('Hello, World!')
-        more_text = b('Foo Bar')
+        more_text = six.b('Foo Bar')
         content_type = 'text/plain'
 
         streamfile = StreamFile()
@@ -112,15 +108,51 @@ class FileTest(unittest.TestCase):
         result.the_file.delete()
 
         # Ensure deleted file returns None
-        self.assertTrue(result.the_file.read() == None)
+        self.assertTrue(result.the_file.read() is None)
+
+    def test_file_fields_stream_after_none(self):
+        """Ensure that a file field can be written to after it has been saved as
+        None
+        """
+        class StreamFile(Document):
+            the_file = FileField()
+
+        StreamFile.drop_collection()
+
+        text = six.b('Hello, World!')
+        more_text = six.b('Foo Bar')
+        content_type = 'text/plain'
+
+        streamfile = StreamFile()
+        streamfile.save()
+        streamfile.the_file.new_file()
+        streamfile.the_file.write(text)
+        streamfile.the_file.write(more_text)
+        streamfile.the_file.close()
+        streamfile.save()
+
+        result = StreamFile.objects.first()
+        self.assertTrue(streamfile == result)
+        self.assertEqual(result.the_file.read(), text + more_text)
+        # self.assertEqual(result.the_file.content_type, content_type)
+        result.the_file.seek(0)
+        self.assertEqual(result.the_file.tell(), 0)
+        self.assertEqual(result.the_file.read(len(text)), text)
+        self.assertEqual(result.the_file.tell(), len(text))
+        self.assertEqual(result.the_file.read(len(more_text)), more_text)
+        self.assertEqual(result.the_file.tell(), len(text + more_text))
+        result.the_file.delete()
+
+        # Ensure deleted file returns None
+        self.assertTrue(result.the_file.read() is None)
 
     def test_file_fields_set(self):
 
         class SetFile(Document):
             the_file = FileField()
 
-        text = b('Hello, World!')
+        text = six.b('Hello, World!')
-        more_text = b('Foo Bar')
+        more_text = six.b('Foo Bar')
 
         SetFile.drop_collection()
 
@@ -149,7 +181,7 @@ class FileTest(unittest.TestCase):
         GridDocument.drop_collection()
 
         with tempfile.TemporaryFile() as f:
-            f.write(b("Hello World!"))
+            f.write(six.b("Hello World!"))
             f.flush()
 
             # Test without default
@@ -166,7 +198,7 @@ class FileTest(unittest.TestCase):
             self.assertEqual(doc_b.the_file.grid_id, doc_c.the_file.grid_id)
 
             # Test with default
-            doc_d = GridDocument(the_file=b(''))
+            doc_d = GridDocument(the_file=six.b(''))
             doc_d.save()
 
             doc_e = GridDocument.objects.with_id(doc_d.id)
@@ -192,7 +224,7 @@ class FileTest(unittest.TestCase):
         # First instance
         test_file = TestFile()
         test_file.name = "Hello, World!"
-        test_file.the_file.put(b('Hello, World!'))
+        test_file.the_file.put(six.b('Hello, World!'))
         test_file.save()
 
         # Second instance
@@ -246,7 +278,7 @@ class FileTest(unittest.TestCase):
 
         test_file = TestFile()
         self.assertFalse(bool(test_file.the_file))
-        test_file.the_file.put(b('Hello, World!'), content_type='text/plain')
+        test_file.the_file.put(six.b('Hello, World!'), content_type='text/plain')
         test_file.save()
         self.assertTrue(bool(test_file.the_file))
 
@@ -261,6 +293,71 @@ class FileTest(unittest.TestCase):
         test_file = TestFile()
         self.assertFalse(test_file.the_file in [{"test": 1}])
 
+    def test_file_disk_space(self):
+        """ Test disk space usage when we delete/replace a file """
+        class TestFile(Document):
+            the_file = FileField()
+
+        text = six.b('Hello, World!')
+        content_type = 'text/plain'
+
+        testfile = TestFile()
+        testfile.the_file.put(text, content_type=content_type, filename="hello")
+        testfile.save()
+
+        # Now check fs.files and fs.chunks
+        db = TestFile._get_db()
+
+        files = db.fs.files.find()
+        chunks = db.fs.chunks.find()
+        self.assertEquals(len(list(files)), 1)
+        self.assertEquals(len(list(chunks)), 1)
+
+        # Deleting the docoument should delete the files
+        testfile.delete()
+
+        files = db.fs.files.find()
+        chunks = db.fs.chunks.find()
+        self.assertEquals(len(list(files)), 0)
+        self.assertEquals(len(list(chunks)), 0)
+
+        # Test case where we don't store a file in the first place
+        testfile = TestFile()
+        testfile.save()
+
+        files = db.fs.files.find()
+        chunks = db.fs.chunks.find()
+        self.assertEquals(len(list(files)), 0)
+        self.assertEquals(len(list(chunks)), 0)
+
+        testfile.delete()
+
+        files = db.fs.files.find()
+        chunks = db.fs.chunks.find()
+        self.assertEquals(len(list(files)), 0)
+        self.assertEquals(len(list(chunks)), 0)
+
+        # Test case where we overwrite the file
+        testfile = TestFile()
+        testfile.the_file.put(text, content_type=content_type, filename="hello")
+        testfile.save()
+
+        text = six.b('Bonjour, World!')
+        testfile.the_file.replace(text, content_type=content_type, filename="hello")
+        testfile.save()
+
+        files = db.fs.files.find()
+        chunks = db.fs.chunks.find()
+        self.assertEquals(len(list(files)), 1)
+        self.assertEquals(len(list(chunks)), 1)
+
+        testfile.delete()
+
+        files = db.fs.files.find()
+        chunks = db.fs.chunks.find()
+        self.assertEquals(len(list(files)), 0)
+        self.assertEquals(len(list(chunks)), 0)
+
     def test_image_field(self):
         if not HAS_PIL:
             raise SkipTest('PIL not installed')
@@ -271,14 +368,14 @@ class FileTest(unittest.TestCase):
         TestImage.drop_collection()
 
         with tempfile.TemporaryFile() as f:
-            f.write(b("Hello World!"))
+            f.write(six.b("Hello World!"))
             f.flush()
 
             t = TestImage()
             try:
                 t.image.put(f)
                 self.fail("Should have raised an invalidation error")
-            except ValidationError, e:
+            except ValidationError as e:
                 self.assertEqual("%s" % e, "Invalid image: cannot identify image file %s" % f)
 
         t = TestImage()
@@ -395,7 +492,7 @@ class FileTest(unittest.TestCase):
         # First instance
         test_file = TestFile()
         test_file.name = "Hello, World!"
-        test_file.the_file.put(b('Hello, World!'),
+        test_file.the_file.put(six.b('Hello, World!'),
                           name="hello.txt")
         test_file.save()
 
@@ -403,16 +500,15 @@ class FileTest(unittest.TestCase):
         self.assertEqual(data.get('name'), 'hello.txt')
 
         test_file = TestFile.objects.first()
-        self.assertEqual(test_file.the_file.read(),
+        self.assertEqual(test_file.the_file.read(), six.b('Hello, World!'))
-                          b('Hello, World!'))
 
         test_file = TestFile.objects.first()
-        test_file.the_file = b('HELLO, WORLD!')
+        test_file.the_file = six.b('HELLO, WORLD!')
         test_file.save()
 
         test_file = TestFile.objects.first()
         self.assertEqual(test_file.the_file.read(),
-                          b('HELLO, WORLD!'))
+                         six.b('HELLO, WORLD!'))
 
     def test_copyable(self):
         class PutFile(Document):
@@ -420,7 +516,7 @@ class FileTest(unittest.TestCase):
 
         PutFile.drop_collection()
 
-        text = b('Hello, World!')
+        text = six.b('Hello, World!')
         content_type = 'text/plain'
 
         putfile = PutFile()

tests/fields/geo.py

@@ -1,7 +1,4 @@
 # -*- coding: utf-8 -*-
-import sys
-sys.path[0:0] = [""]
-
 import unittest
 
 from mongoengine import *
@@ -19,8 +16,8 @@ class GeoFieldTest(unittest.TestCase):
     def _test_for_expected_error(self, Cls, loc, expected):
         try:
             Cls(loc=loc).validate()
-            self.fail()
+            self.fail('Should not validate the location {0}'.format(loc))
-        except ValidationError, e:
+        except ValidationError as e:
             self.assertEqual(expected, e.to_dict()['loc'])
 
     def test_geopoint_validation(self):
@@ -155,6 +152,117 @@ class GeoFieldTest(unittest.TestCase):
 
         Location(loc=[[[1, 2], [3, 4], [5, 6], [1, 2]]]).validate()
 
+    def test_multipoint_validation(self):
+        class Location(Document):
+            loc = MultiPointField()
+
+        invalid_coords = {"x": 1, "y": 2}
+        expected = 'MultiPointField can only accept a valid GeoJson dictionary or lists of (x, y)'
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = {"type": "MadeUp", "coordinates": [[]]}
+        expected = 'MultiPointField type must be "MultiPoint"'
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = {"type": "MultiPoint", "coordinates": [[1, 2, 3]]}
+        expected = "Value ([1, 2, 3]) must be a two-dimensional point"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[]]
+        expected = "Invalid MultiPoint must contain at least one valid point"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[1]], [[1, 2, 3]]]
+        for coord in invalid_coords:
+            expected = "Value (%s) must be a two-dimensional point" % repr(coord[0])
+            self._test_for_expected_error(Location, coord, expected)
+
+        invalid_coords = [[[{}, {}]], [("a", "b")]]
+        for coord in invalid_coords:
+            expected = "Both values (%s) in point must be float or int" % repr(coord[0])
+            self._test_for_expected_error(Location, coord, expected)
+
+        Location(loc=[[1, 2]]).validate()
+        Location(loc={
+            "type": "MultiPoint",
+            "coordinates": [
+                [1, 2],
+                [81.4471435546875, 23.61432859499169]
+            ]}).validate()
+
+    def test_multilinestring_validation(self):
+        class Location(Document):
+            loc = MultiLineStringField()
+
+        invalid_coords = {"x": 1, "y": 2}
+        expected = 'MultiLineStringField can only accept a valid GeoJson dictionary or lists of (x, y)'
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = {"type": "MadeUp", "coordinates": [[]]}
+        expected = 'MultiLineStringField type must be "MultiLineString"'
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = {"type": "MultiLineString", "coordinates": [[[1, 2, 3]]]}
+        expected = "Invalid MultiLineString:\nValue ([1, 2, 3]) must be a two-dimensional point"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [5, "a"]
+        expected = "Invalid MultiLineString must contain at least one valid linestring"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[1]]]
+        expected = "Invalid MultiLineString:\nValue (%s) must be a two-dimensional point" % repr(invalid_coords[0][0])
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[1, 2, 3]]]
+        expected = "Invalid MultiLineString:\nValue (%s) must be a two-dimensional point" % repr(invalid_coords[0][0])
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[[{}, {}]]], [[("a", "b")]]]
+        for coord in invalid_coords:
+            expected = "Invalid MultiLineString:\nBoth values (%s) in point must be float or int" % repr(coord[0][0])
+            self._test_for_expected_error(Location, coord, expected)
+
+        Location(loc=[[[1, 2], [3, 4], [5, 6], [1, 2]]]).validate()
+
+    def test_multipolygon_validation(self):
+        class Location(Document):
+            loc = MultiPolygonField()
+
+        invalid_coords = {"x": 1, "y": 2}
+        expected = 'MultiPolygonField can only accept a valid GeoJson dictionary or lists of (x, y)'
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = {"type": "MadeUp", "coordinates": [[]]}
+        expected = 'MultiPolygonField type must be "MultiPolygon"'
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = {"type": "MultiPolygon", "coordinates": [[[[1, 2, 3]]]]}
+        expected = "Invalid MultiPolygon:\nValue ([1, 2, 3]) must be a two-dimensional point"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[[5, "a"]]]]
+        expected = "Invalid MultiPolygon:\nBoth values ([5, 'a']) in point must be float or int"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[[]]]]
+        expected = "Invalid MultiPolygon must contain at least one valid Polygon"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[[1, 2, 3]]]]
+        expected = "Invalid MultiPolygon:\nValue ([1, 2, 3]) must be a two-dimensional point"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[[{}, {}]]], [[("a", "b")]]]
+        expected = "Invalid MultiPolygon:\nBoth values ([{}, {}]) in point must be float or int, Both values (('a', 'b')) in point must be float or int"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        invalid_coords = [[[[1, 2], [3, 4]]]]
+        expected = "Invalid MultiPolygon:\nLineStrings must start and end at the same point"
+        self._test_for_expected_error(Location, invalid_coords, expected)
+
+        Location(loc=[[[[1, 2], [3, 4], [5, 6], [1, 2]]]]).validate()
+
     def test_indexes_geopoint(self):
         """Ensure that indexes are created automatically for GeoPointFields.
         """
@@ -225,12 +333,11 @@ class GeoFieldTest(unittest.TestCase):
         Location.drop_collection()
         Parent.drop_collection()
 
-        list(Parent.objects)
+        Parent(name='Berlin').save()
-
+        info = Parent._get_collection().index_information()
-        collection = Parent._get_collection()
-        info = collection.index_information()
-
         self.assertFalse('location_2d' in info)
+        info = Location._get_collection().index_information()
+        self.assertTrue('location_2d' in info)
 
         self.assertEqual(len(Parent._geo_indices()), 0)
         self.assertEqual(len(Location._geo_indices()), 1)

tests/fixtures.py

@@ -17,7 +17,16 @@ class PickleTest(Document):
     photo = FileField()
 
 
-class PickleDyanmicEmbedded(DynamicEmbeddedDocument):
+class NewDocumentPickleTest(Document):
+    number = IntField()
+    string = StringField(choices=(('One', '1'), ('Two', '2')))
+    embedded = EmbeddedDocumentField(PickleEmbedded)
+    lists = ListField(StringField())
+    photo = FileField()
+    new_field = StringField()
+
+
+class PickleDynamicEmbedded(DynamicEmbeddedDocument):
     date = DateTimeField(default=datetime.now)
 
 

tests/migration/__init__.py

@@ -1,8 +0,0 @@
-from convert_to_new_inheritance_model import *
-from decimalfield_as_float import *
-from refrencefield_dbref_to_object_id import *
-from turn_off_inheritance import *
-from uuidfield_to_binary import *
-
-if __name__ == '__main__':
-    unittest.main()

tests/migration/convert_to_new_inheritance_model.py

@@ -1,51 +0,0 @@
-# -*- coding: utf-8 -*-
-import unittest
-
-from mongoengine import Document, connect
-from mongoengine.connection import get_db
-from mongoengine.fields import StringField
-
-__all__ = ('ConvertToNewInheritanceModel', )
-
-
-class ConvertToNewInheritanceModel(unittest.TestCase):
-
-    def setUp(self):
-        connect(db='mongoenginetest')
-        self.db = get_db()
-
-    def tearDown(self):
-        for collection in self.db.collection_names():
-            if 'system.' in collection:
-                continue
-            self.db.drop_collection(collection)
-
-    def test_how_to_convert_to_the_new_inheritance_model(self):
-        """Demonstrates migrating from 0.7 to 0.8
-        """
-
-        # 1. Declaration of the class
-        class Animal(Document):
-            name = StringField()
-            meta = {
-                'allow_inheritance': True,
-                'indexes': ['name']
-            }
-
-        # 2. Remove _types
-        collection = Animal._get_collection()
-        collection.update({}, {"$unset": {"_types": 1}}, multi=True)
-
-        # 3. Confirm extra data is removed
-        count = collection.find({'_types': {"$exists": True}}).count()
-        self.assertEqual(0, count)
-
-        # 4. Remove indexes
-        info = collection.index_information()
-        indexes_to_drop = [key for key, value in info.iteritems()
-                           if '_types' in dict(value['key'])]
-        for index in indexes_to_drop:
-            collection.drop_index(index)
-
-        # 5. Recreate indexes
-        Animal.ensure_indexes()

tests/migration/decimalfield_as_float.py

@@ -1,50 +0,0 @@
- # -*- coding: utf-8 -*-
-import unittest
-import decimal
-from decimal import Decimal
-
-from mongoengine import Document, connect
-from mongoengine.connection import get_db
-from mongoengine.fields import StringField, DecimalField, ListField
-
-__all__ = ('ConvertDecimalField', )
-
-
-class ConvertDecimalField(unittest.TestCase):
-
-    def setUp(self):
-        connect(db='mongoenginetest')
-        self.db = get_db()
-
-    def test_how_to_convert_decimal_fields(self):
-        """Demonstrates migrating from 0.7 to 0.8
-        """
-
-        # 1. Old definition - using dbrefs
-        class Person(Document):
-            name = StringField()
-            money = DecimalField(force_string=True)
-            monies = ListField(DecimalField(force_string=True))
-
-        Person.drop_collection()
-        Person(name="Wilson Jr", money=Decimal("2.50"),
-               monies=[Decimal("2.10"), Decimal("5.00")]).save()
-
-        # 2. Start the migration by changing the schema
-        # Change DecimalField - add precision and rounding settings
-        class Person(Document):
-            name = StringField()
-            money = DecimalField(precision=2, rounding=decimal.ROUND_HALF_UP)
-            monies = ListField(DecimalField(precision=2,
-                                            rounding=decimal.ROUND_HALF_UP))
-
-        # 3. Loop all the objects and mark parent as changed
-        for p in Person.objects:
-            p._mark_as_changed('money')
-            p._mark_as_changed('monies')
-            p.save()
-
-        # 4. Confirmation of the fix!
-        wilson = Person.objects(name="Wilson Jr").as_pymongo()[0]
-        self.assertTrue(isinstance(wilson['money'], float))
-        self.assertTrue(all([isinstance(m, float) for m in wilson['monies']]))

tests/migration/refrencefield_dbref_to_object_id.py

@@ -1,52 +0,0 @@
-# -*- coding: utf-8 -*-
-import unittest
-
-from mongoengine import Document, connect
-from mongoengine.connection import get_db
-from mongoengine.fields import StringField, ReferenceField, ListField
-
-__all__ = ('ConvertToObjectIdsModel', )
-
-
-class ConvertToObjectIdsModel(unittest.TestCase):
-
-    def setUp(self):
-        connect(db='mongoenginetest')
-        self.db = get_db()
-
-    def test_how_to_convert_to_object_id_reference_fields(self):
-        """Demonstrates migrating from 0.7 to 0.8
-        """
-
-        # 1. Old definition - using dbrefs
-        class Person(Document):
-            name = StringField()
-            parent = ReferenceField('self', dbref=True)
-            friends = ListField(ReferenceField('self', dbref=True))
-
-        Person.drop_collection()
-
-        p1 = Person(name="Wilson", parent=None).save()
-        f1 = Person(name="John", parent=None).save()
-        f2 = Person(name="Paul", parent=None).save()
-        f3 = Person(name="George", parent=None).save()
-        f4 = Person(name="Ringo", parent=None).save()
-        Person(name="Wilson Jr", parent=p1, friends=[f1, f2, f3, f4]).save()
-
-        # 2. Start the migration by changing the schema
-        # Change ReferenceField as now dbref defaults to False
-        class Person(Document):
-            name = StringField()
-            parent = ReferenceField('self')
-            friends = ListField(ReferenceField('self'))
-
-        # 3. Loop all the objects and mark parent as changed
-        for p in Person.objects:
-            p._mark_as_changed('parent')
-            p._mark_as_changed('friends')
-            p.save()
-
-        # 4. Confirmation of the fix!
-        wilson = Person.objects(name="Wilson Jr").as_pymongo()[0]
-        self.assertEqual(p1.id, wilson['parent'])
-        self.assertEqual([f1.id, f2.id, f3.id, f4.id], wilson['friends'])

tests/migration/turn_off_inheritance.py

@@ -1,62 +0,0 @@
-# -*- coding: utf-8 -*-
-import unittest
-
-from mongoengine import Document, connect
-from mongoengine.connection import get_db
-from mongoengine.fields import StringField
-
-__all__ = ('TurnOffInheritanceTest', )
-
-
-class TurnOffInheritanceTest(unittest.TestCase):
-
-    def setUp(self):
-        connect(db='mongoenginetest')
-        self.db = get_db()
-
-    def tearDown(self):
-        for collection in self.db.collection_names():
-            if 'system.' in collection:
-                continue
-            self.db.drop_collection(collection)
-
-    def test_how_to_turn_off_inheritance(self):
-        """Demonstrates migrating from allow_inheritance = True to False.
-        """
-
-        # 1. Old declaration of the class
-
-        class Animal(Document):
-            name = StringField()
-            meta = {
-                'allow_inheritance': True,
-                'indexes': ['name']
-            }
-
-        # 2. Turn off inheritance
-        class Animal(Document):
-            name = StringField()
-            meta = {
-                'allow_inheritance': False,
-                'indexes': ['name']
-            }
-
-        # 3. Remove _types and _cls
-        collection = Animal._get_collection()
-        collection.update({}, {"$unset": {"_types": 1, "_cls": 1}}, multi=True)
-
-        # 3. Confirm extra data is removed
-        count = collection.find({"$or": [{'_types': {"$exists": True}},
-                                         {'_cls': {"$exists": True}}]}).count()
-        assert count == 0
-
-        # 4. Remove indexes
-        info = collection.index_information()
-        indexes_to_drop = [key for key, value in info.iteritems()
-                           if '_types' in dict(value['key'])
-                              or '_cls' in dict(value['key'])]
-        for index in indexes_to_drop:
-            collection.drop_index(index)
-
-        # 5. Recreate indexes
-        Animal.ensure_indexes()

tests/migration/uuidfield_to_binary.py

@@ -1,48 +0,0 @@
-# -*- coding: utf-8 -*-
-import unittest
-import uuid
-
-from mongoengine import Document, connect
-from mongoengine.connection import get_db
-from mongoengine.fields import StringField, UUIDField, ListField
-
-__all__ = ('ConvertToBinaryUUID', )
-
-
-class ConvertToBinaryUUID(unittest.TestCase):
-
-    def setUp(self):
-        connect(db='mongoenginetest')
-        self.db = get_db()
-
-    def test_how_to_convert_to_binary_uuid_fields(self):
-        """Demonstrates migrating from 0.7 to 0.8
-        """
-
-        # 1. Old definition - using dbrefs
-        class Person(Document):
-            name = StringField()
-            uuid = UUIDField(binary=False)
-            uuids = ListField(UUIDField(binary=False))
-
-        Person.drop_collection()
-        Person(name="Wilson Jr", uuid=uuid.uuid4(),
-               uuids=[uuid.uuid4(), uuid.uuid4()]).save()
-
-        # 2. Start the migration by changing the schema
-        # Change UUIDFIeld as now binary defaults to True
-        class Person(Document):
-            name = StringField()
-            uuid = UUIDField()
-            uuids = ListField(UUIDField())
-
-        # 3. Loop all the objects and mark parent as changed
-        for p in Person.objects:
-            p._mark_as_changed('uuid')
-            p._mark_as_changed('uuids')
-            p.save()
-
-        # 4. Confirmation of the fix!
-        wilson = Person.objects(name="Wilson Jr").as_pymongo()[0]
-        self.assertTrue(isinstance(wilson['uuid'], uuid.UUID))
-        self.assertTrue(all([isinstance(u, uuid.UUID) for u in wilson['uuids']]))

tests/queryset/field_list.py

@@ -1,6 +1,3 @@
-import sys
-sys.path[0:0] = [""]
-
 import unittest
 
 from mongoengine import *
@@ -95,7 +92,7 @@ class OnlyExcludeAllTest(unittest.TestCase):
         exclude = ['d', 'e']
         only = ['b', 'c']
 
-        qs = MyDoc.objects.fields(**dict(((i, 1) for i in include)))
+        qs = MyDoc.objects.fields(**{i: 1 for i in include})
         self.assertEqual(qs._loaded_fields.as_dict(),
                          {'a': 1, 'b': 1, 'c': 1, 'd': 1, 'e': 1})
         qs = qs.only(*only)
@@ -103,14 +100,14 @@ class OnlyExcludeAllTest(unittest.TestCase):
         qs = qs.exclude(*exclude)
         self.assertEqual(qs._loaded_fields.as_dict(), {'b': 1, 'c': 1})
 
-        qs = MyDoc.objects.fields(**dict(((i, 1) for i in include)))
+        qs = MyDoc.objects.fields(**{i: 1 for i in include})
         qs = qs.exclude(*exclude)
         self.assertEqual(qs._loaded_fields.as_dict(), {'a': 1, 'b': 1, 'c': 1})
         qs = qs.only(*only)
         self.assertEqual(qs._loaded_fields.as_dict(), {'b': 1, 'c': 1})
 
         qs = MyDoc.objects.exclude(*exclude)
-        qs = qs.fields(**dict(((i, 1) for i in include)))
+        qs = qs.fields(**{i: 1 for i in include})
         self.assertEqual(qs._loaded_fields.as_dict(), {'a': 1, 'b': 1, 'c': 1})
         qs = qs.only(*only)
         self.assertEqual(qs._loaded_fields.as_dict(), {'b': 1, 'c': 1})
@@ -129,7 +126,7 @@ class OnlyExcludeAllTest(unittest.TestCase):
         exclude = ['d', 'e']
         only = ['b', 'c']
 
-        qs = MyDoc.objects.fields(**dict(((i, 1) for i in include)))
+        qs = MyDoc.objects.fields(**{i: 1 for i in include})
         qs = qs.exclude(*exclude)
         qs = qs.only(*only)
         qs = qs.fields(slice__b=5)
@@ -144,6 +141,16 @@ class OnlyExcludeAllTest(unittest.TestCase):
         self.assertEqual(qs._loaded_fields.as_dict(),
                          {'b': {'$slice': 5}})
 
+    def test_mix_slice_with_other_fields(self):
+        class MyDoc(Document):
+            a = ListField()
+            b = ListField()
+            c = ListField()
+
+        qs = MyDoc.objects.fields(a=1, b=0, slice__c=2)
+        self.assertEqual(qs._loaded_fields.as_dict(),
+                         {'c': {'$slice': 2}, 'a': 1})
+
     def test_only(self):
         """Ensure that QuerySet.only only returns the requested fields.
         """
@@ -190,14 +197,18 @@ class OnlyExcludeAllTest(unittest.TestCase):
             title = StringField()
             text = StringField()
 
+        class VariousData(EmbeddedDocument):
+            some = BooleanField()
+
         class BlogPost(Document):
             content = StringField()
             author = EmbeddedDocumentField(User)
             comments = ListField(EmbeddedDocumentField(Comment))
+            various = MapField(field=EmbeddedDocumentField(VariousData))
 
         BlogPost.drop_collection()
 
-        post = BlogPost(content='Had a good coffee today...')
+        post = BlogPost(content='Had a good coffee today...', various={'test_dynamic':{'some': True}})
         post.author = User(name='Test User')
         post.comments = [Comment(title='I aggree', text='Great post!'), Comment(title='Coffee', text='I hate coffee')]
         post.save()
@@ -208,6 +219,9 @@ class OnlyExcludeAllTest(unittest.TestCase):
         self.assertEqual(obj.author.name, 'Test User')
         self.assertEqual(obj.comments, [])
 
+        obj = BlogPost.objects.only('various.test_dynamic.some').get()
+        self.assertEqual(obj.various["test_dynamic"].some, True)
+
         obj = BlogPost.objects.only('content', 'comments.title',).get()
         self.assertEqual(obj.content, 'Had a good coffee today...')
         self.assertEqual(obj.author, None)

tests/queryset/geo.py

@@ -1,95 +1,139 @@
-import sys
+import datetime
-sys.path[0:0] = [""]
-
 import unittest
-from datetime import datetime, timedelta
+
 from mongoengine import *
 
-from nose.plugins.skip import SkipTest
+from tests.utils import MongoDBTestCase, needs_mongodb_v3
+
 
 __all__ = ("GeoQueriesTest",)
 
 
-class GeoQueriesTest(unittest.TestCase):
+class GeoQueriesTest(MongoDBTestCase):
 
-    def setUp(self):
+    def _create_event_data(self, point_field_class=GeoPointField):
-        connect(db='mongoenginetest')
+        """Create some sample data re-used in many of the tests below."""
-
-    def test_geospatial_operators(self):
-        """Ensure that geospatial queries are working.
-        """
         class Event(Document):
             title = StringField()
             date = DateTimeField()
-            location = GeoPointField()
+            location = point_field_class()
 
             def __unicode__(self):
                 return self.title
 
+        self.Event = Event
+
         Event.drop_collection()
 
-        event1 = Event(title="Coltrane Motion @ Double Door",
+        event1 = Event.objects.create(
-                       date=datetime.now() - timedelta(days=1),
+            title="Coltrane Motion @ Double Door",
-                       location=[-87.677137, 41.909889]).save()
+            date=datetime.datetime.now() - datetime.timedelta(days=1),
-        event2 = Event(title="Coltrane Motion @ Bottom of the Hill",
+            location=[-87.677137, 41.909889])
-                       date=datetime.now() - timedelta(days=10),
+        event2 = Event.objects.create(
-                       location=[-122.4194155, 37.7749295]).save()
+            title="Coltrane Motion @ Bottom of the Hill",
-        event3 = Event(title="Coltrane Motion @ Empty Bottle",
+            date=datetime.datetime.now() - datetime.timedelta(days=10),
-                       date=datetime.now(),
+            location=[-122.4194155, 37.7749295])
-                       location=[-87.686638, 41.900474]).save()
+        event3 = Event.objects.create(
+            title="Coltrane Motion @ Empty Bottle",
+            date=datetime.datetime.now(),
+            location=[-87.686638, 41.900474])
+
+        return event1, event2, event3
+
+    def test_near(self):
+        """Make sure the "near" operator works."""
+        event1, event2, event3 = self._create_event_data()
 
         # find all events "near" pitchfork office, chicago.
         # note that "near" will show the san francisco event, too,
         # although it sorts to last.
-        events = Event.objects(location__near=[-87.67892, 41.9120459])
+        events = self.Event.objects(location__near=[-87.67892, 41.9120459])
         self.assertEqual(events.count(), 3)
         self.assertEqual(list(events), [event1, event3, event2])
 
+        # ensure ordering is respected by "near"
+        events = self.Event.objects(location__near=[-87.67892, 41.9120459])
+        events = events.order_by("-date")
+        self.assertEqual(events.count(), 3)
+        self.assertEqual(list(events), [event3, event1, event2])
+
+    def test_near_and_max_distance(self):
+        """Ensure the "max_distance" operator works alongside the "near"
+        operator.
+        """
+        event1, event2, event3 = self._create_event_data()
+
+        # find events within 10 degrees of san francisco
+        point = [-122.415579, 37.7566023]
+        events = self.Event.objects(location__near=point,
+                                    location__max_distance=10)
+        self.assertEqual(events.count(), 1)
+        self.assertEqual(events[0], event2)
+
+    # $minDistance was added in MongoDB v2.6, but continued being buggy
+    # until v3.0; skip for older versions
+    @needs_mongodb_v3
+    def test_near_and_min_distance(self):
+        """Ensure the "min_distance" operator works alongside the "near"
+        operator.
+        """
+        event1, event2, event3 = self._create_event_data()
+
+        # find events at least 10 degrees away of san francisco
+        point = [-122.415579, 37.7566023]
+        events = self.Event.objects(location__near=point,
+                                    location__min_distance=10)
+        self.assertEqual(events.count(), 2)
+
+    def test_within_distance(self):
+        """Make sure the "within_distance" operator works."""
+        event1, event2, event3 = self._create_event_data()
+
         # find events within 5 degrees of pitchfork office, chicago
         point_and_distance = [[-87.67892, 41.9120459], 5]
-        events = Event.objects(location__within_distance=point_and_distance)
+        events = self.Event.objects(
+            location__within_distance=point_and_distance)
         self.assertEqual(events.count(), 2)
         events = list(events)
         self.assertTrue(event2 not in events)
         self.assertTrue(event1 in events)
         self.assertTrue(event3 in events)
 
-        # ensure ordering is respected by "near"
-        events = Event.objects(location__near=[-87.67892, 41.9120459])
-        events = events.order_by("-date")
-        self.assertEqual(events.count(), 3)
-        self.assertEqual(list(events), [event3, event1, event2])
-
-        # find events within 10 degrees of san francisco
-        point = [-122.415579, 37.7566023]
-        events = Event.objects(location__near=point, location__max_distance=10)
-        self.assertEqual(events.count(), 1)
-        self.assertEqual(events[0], event2)
-
         # find events within 10 degrees of san francisco
         point_and_distance = [[-122.415579, 37.7566023], 10]
-        events = Event.objects(location__within_distance=point_and_distance)
+        events = self.Event.objects(
+            location__within_distance=point_and_distance)
         self.assertEqual(events.count(), 1)
         self.assertEqual(events[0], event2)
 
         # find events within 1 degree of greenpoint, broolyn, nyc, ny
         point_and_distance = [[-73.9509714, 40.7237134], 1]
-        events = Event.objects(location__within_distance=point_and_distance)
+        events = self.Event.objects(
+            location__within_distance=point_and_distance)
         self.assertEqual(events.count(), 0)
 
         # ensure ordering is respected by "within_distance"
         point_and_distance = [[-87.67892, 41.9120459], 10]
-        events = Event.objects(location__within_distance=point_and_distance)
+        events = self.Event.objects(
+            location__within_distance=point_and_distance)
         events = events.order_by("-date")
         self.assertEqual(events.count(), 2)
         self.assertEqual(events[0], event3)
 
+    def test_within_box(self):
+        """Ensure the "within_box" operator works."""
+        event1, event2, event3 = self._create_event_data()
+
         # check that within_box works
         box = [(-125.0, 35.0), (-100.0, 40.0)]
-        events = Event.objects(location__within_box=box)
+        events = self.Event.objects(location__within_box=box)
         self.assertEqual(events.count(), 1)
         self.assertEqual(events[0].id, event2.id)
 
+    def test_within_polygon(self):
+        """Ensure the "within_polygon" operator works."""
+        event1, event2, event3 = self._create_event_data()
+
         polygon = [
             (-87.694445, 41.912114),
             (-87.69084, 41.919395),
@@ -97,7 +141,7 @@ class GeoQueriesTest(unittest.TestCase):
             (-87.654276, 41.911731),
             (-87.656164, 41.898061),
         ]
-        events = Event.objects(location__within_polygon=polygon)
+        events = self.Event.objects(location__within_polygon=polygon)
         self.assertEqual(events.count(), 1)
         self.assertEqual(events[0].id, event1.id)
 
@@ -106,13 +150,151 @@ class GeoQueriesTest(unittest.TestCase):
             (-1.225891, 52.792797),
             (-4.40094, 53.389881)
         ]
-        events = Event.objects(location__within_polygon=polygon2)
+        events = self.Event.objects(location__within_polygon=polygon2)
         self.assertEqual(events.count(), 0)
 
-    def test_geo_spatial_embedded(self):
+    def test_2dsphere_near(self):
+        """Make sure the "near" operator works with a PointField, which
+        corresponds to a 2dsphere index.
+        """
+        event1, event2, event3 = self._create_event_data(
+            point_field_class=PointField
+        )
 
+        # find all events "near" pitchfork office, chicago.
+        # note that "near" will show the san francisco event, too,
+        # although it sorts to last.
+        events = self.Event.objects(location__near=[-87.67892, 41.9120459])
+        self.assertEqual(events.count(), 3)
+        self.assertEqual(list(events), [event1, event3, event2])
+
+        # ensure ordering is respected by "near"
+        events = self.Event.objects(location__near=[-87.67892, 41.9120459])
+        events = events.order_by("-date")
+        self.assertEqual(events.count(), 3)
+        self.assertEqual(list(events), [event3, event1, event2])
+
+    def test_2dsphere_near_and_max_distance(self):
+        """Ensure the "max_distance" operator works alongside the "near"
+        operator with a 2dsphere index.
+        """
+        event1, event2, event3 = self._create_event_data(
+            point_field_class=PointField
+        )
+
+        # find events within 10km of san francisco
+        point = [-122.415579, 37.7566023]
+        events = self.Event.objects(location__near=point,
+                                    location__max_distance=10000)
+        self.assertEqual(events.count(), 1)
+        self.assertEqual(events[0], event2)
+
+        # find events within 1km of greenpoint, broolyn, nyc, ny
+        events = self.Event.objects(location__near=[-73.9509714, 40.7237134],
+                                    location__max_distance=1000)
+        self.assertEqual(events.count(), 0)
+
+        # ensure ordering is respected by "near"
+        events = self.Event.objects(
+            location__near=[-87.67892, 41.9120459],
+            location__max_distance=10000
+        ).order_by("-date")
+        self.assertEqual(events.count(), 2)
+        self.assertEqual(events[0], event3)
+
+    def test_2dsphere_geo_within_box(self):
+        """Ensure the "geo_within_box" operator works with a 2dsphere
+        index.
+        """
+        event1, event2, event3 = self._create_event_data(
+            point_field_class=PointField
+        )
+
+        # check that within_box works
+        box = [(-125.0, 35.0), (-100.0, 40.0)]
+        events = self.Event.objects(location__geo_within_box=box)
+        self.assertEqual(events.count(), 1)
+        self.assertEqual(events[0].id, event2.id)
+
+    def test_2dsphere_geo_within_polygon(self):
+        """Ensure the "geo_within_polygon" operator works with a
+        2dsphere index.
+        """
+        event1, event2, event3 = self._create_event_data(
+            point_field_class=PointField
+        )
+
+        polygon = [
+            (-87.694445, 41.912114),
+            (-87.69084, 41.919395),
+            (-87.681742, 41.927186),
+            (-87.654276, 41.911731),
+            (-87.656164, 41.898061),
+        ]
+        events = self.Event.objects(location__geo_within_polygon=polygon)
+        self.assertEqual(events.count(), 1)
+        self.assertEqual(events[0].id, event1.id)
+
+        polygon2 = [
+            (-1.742249, 54.033586),
+            (-1.225891, 52.792797),
+            (-4.40094, 53.389881)
+        ]
+        events = self.Event.objects(location__geo_within_polygon=polygon2)
+        self.assertEqual(events.count(), 0)
+
+    # $minDistance was added in MongoDB v2.6, but continued being buggy
+    # until v3.0; skip for older versions
+    @needs_mongodb_v3
+    def test_2dsphere_near_and_min_max_distance(self):
+        """Ensure "min_distace" and "max_distance" operators work well
+        together with the "near" operator in a 2dsphere index.
+        """
+        event1, event2, event3 = self._create_event_data(
+            point_field_class=PointField
+        )
+
+        # ensure min_distance and max_distance combine well
+        events = self.Event.objects(
+            location__near=[-87.67892, 41.9120459],
+            location__min_distance=1000,
+            location__max_distance=10000
+        ).order_by("-date")
+        self.assertEqual(events.count(), 1)
+        self.assertEqual(events[0], event3)
+
+        # ensure ordering is respected by "near" with "min_distance"
+        events = self.Event.objects(
+            location__near=[-87.67892, 41.9120459],
+            location__min_distance=10000
+        ).order_by("-date")
+        self.assertEqual(events.count(), 1)
+        self.assertEqual(events[0], event2)
+
+    def test_2dsphere_geo_within_center(self):
+        """Make sure the "geo_within_center" operator works with a
+        2dsphere index.
+        """
+        event1, event2, event3 = self._create_event_data(
+            point_field_class=PointField
+        )
+
+        # find events within 5 degrees of pitchfork office, chicago
+        point_and_distance = [[-87.67892, 41.9120459], 2]
+        events = self.Event.objects(
+            location__geo_within_center=point_and_distance)
+        self.assertEqual(events.count(), 2)
+        events = list(events)
+        self.assertTrue(event2 not in events)
+        self.assertTrue(event1 in events)
+        self.assertTrue(event3 in events)
+
+    def _test_embedded(self, point_field_class):
+        """Helper test method ensuring given point field class works
+        well in an embedded document.
+        """
         class Venue(EmbeddedDocument):
-            location = GeoPointField()
+            location = point_field_class()
             name = StringField()
 
         class Event(Document):
@@ -138,10 +320,18 @@ class GeoQueriesTest(unittest.TestCase):
         self.assertEqual(events.count(), 3)
         self.assertEqual(list(events), [event1, event3, event2])
 
+    def test_geo_spatial_embedded(self):
+        """Make sure GeoPointField works properly in an embedded document."""
+        self._test_embedded(point_field_class=GeoPointField)
+
+    def test_2dsphere_point_embedded(self):
+        """Make sure PointField works properly in an embedded document."""
+        self._test_embedded(point_field_class=PointField)
+
+    # Needs MongoDB > 2.6.4 https://jira.mongodb.org/browse/SERVER-14039
+    @needs_mongodb_v3
     def test_spherical_geospatial_operators(self):
-        """Ensure that spherical geospatial queries are working
+        """Ensure that spherical geospatial queries are working."""
-        """
-        raise SkipTest("https://jira.mongodb.org/browse/SERVER-14039")
         class Point(Document):
             location = GeoPointField()
 
@@ -161,7 +351,10 @@ class GeoQueriesTest(unittest.TestCase):
 
         # Same behavior for _within_spherical_distance
         points = Point.objects(
-            location__within_spherical_distance=[[-122, 37.5], 60/earth_radius]
+            location__within_spherical_distance=[
+                [-122, 37.5],
+                60 / earth_radius
+            ]
         )
         self.assertEqual(points.count(), 2)
 
@@ -169,6 +362,19 @@ class GeoQueriesTest(unittest.TestCase):
                                location__max_distance=60 / earth_radius)
         self.assertEqual(points.count(), 2)
 
+        # Test query works with max_distance, being farer from one point
+        points = Point.objects(location__near_sphere=[-122, 37.8],
+                               location__max_distance=60 / earth_radius)
+        close_point = points.first()
+        self.assertEqual(points.count(), 1)
+
+        # Test query works with min_distance, being farer from one point
+        points = Point.objects(location__near_sphere=[-122, 37.8],
+                               location__min_distance=60 / earth_radius)
+        self.assertEqual(points.count(), 1)
+        far_point = points.first()
+        self.assertNotEqual(close_point, far_point)
+
         # Finds both points, but orders the north point first because it's
         # closer to the reference point to the north.
         points = Point.objects(location__near_sphere=[-122, 38.5])
@@ -186,127 +392,15 @@ class GeoQueriesTest(unittest.TestCase):
         # Finds only one point because only the first point is within 60km of
         # the reference point to the south.
         points = Point.objects(
-            location__within_spherical_distance=[[-122, 36.5], 60/earth_radius])
+            location__within_spherical_distance=[
+                [-122, 36.5],
+                60 / earth_radius
+            ]
+        )
         self.assertEqual(points.count(), 1)
         self.assertEqual(points[0].id, south_point.id)
 
-    def test_2dsphere_point(self):
-
-        class Event(Document):
-            title = StringField()
-            date = DateTimeField()
-            location = PointField()
-
-            def __unicode__(self):
-                return self.title
-
-        Event.drop_collection()
-
-        event1 = Event(title="Coltrane Motion @ Double Door",
-                       date=datetime.now() - timedelta(days=1),
-                       location=[-87.677137, 41.909889])
-        event1.save()
-        event2 = Event(title="Coltrane Motion @ Bottom of the Hill",
-                       date=datetime.now() - timedelta(days=10),
-                       location=[-122.4194155, 37.7749295]).save()
-        event3 = Event(title="Coltrane Motion @ Empty Bottle",
-                       date=datetime.now(),
-                       location=[-87.686638, 41.900474]).save()
-
-        # find all events "near" pitchfork office, chicago.
-        # note that "near" will show the san francisco event, too,
-        # although it sorts to last.
-        events = Event.objects(location__near=[-87.67892, 41.9120459])
-        self.assertEqual(events.count(), 3)
-        self.assertEqual(list(events), [event1, event3, event2])
-
-        # find events within 5 degrees of pitchfork office, chicago
-        point_and_distance = [[-87.67892, 41.9120459], 2]
-        events = Event.objects(location__geo_within_center=point_and_distance)
-        self.assertEqual(events.count(), 2)
-        events = list(events)
-        self.assertTrue(event2 not in events)
-        self.assertTrue(event1 in events)
-        self.assertTrue(event3 in events)
-
-        # ensure ordering is respected by "near"
-        events = Event.objects(location__near=[-87.67892, 41.9120459])
-        events = events.order_by("-date")
-        self.assertEqual(events.count(), 3)
-        self.assertEqual(list(events), [event3, event1, event2])
-
-        # find events within 10km of san francisco
-        point = [-122.415579, 37.7566023]
-        events = Event.objects(location__near=point, location__max_distance=10000)
-        self.assertEqual(events.count(), 1)
-        self.assertEqual(events[0], event2)
-
-        # find events within 1km of greenpoint, broolyn, nyc, ny
-        events = Event.objects(location__near=[-73.9509714, 40.7237134], location__max_distance=1000)
-        self.assertEqual(events.count(), 0)
-
-        # ensure ordering is respected by "near"
-        events = Event.objects(location__near=[-87.67892, 41.9120459],
-                               location__max_distance=10000).order_by("-date")
-        self.assertEqual(events.count(), 2)
-        self.assertEqual(events[0], event3)
-
-        # check that within_box works
-        box = [(-125.0, 35.0), (-100.0, 40.0)]
-        events = Event.objects(location__geo_within_box=box)
-        self.assertEqual(events.count(), 1)
-        self.assertEqual(events[0].id, event2.id)
-
-        polygon = [
-            (-87.694445, 41.912114),
-            (-87.69084, 41.919395),
-            (-87.681742, 41.927186),
-            (-87.654276, 41.911731),
-            (-87.656164, 41.898061),
-        ]
-        events = Event.objects(location__geo_within_polygon=polygon)
-        self.assertEqual(events.count(), 1)
-        self.assertEqual(events[0].id, event1.id)
-
-        polygon2 = [
-            (-1.742249, 54.033586),
-            (-1.225891, 52.792797),
-            (-4.40094, 53.389881)
-        ]
-        events = Event.objects(location__geo_within_polygon=polygon2)
-        self.assertEqual(events.count(), 0)
-
-    def test_2dsphere_point_embedded(self):
-
-        class Venue(EmbeddedDocument):
-            location = GeoPointField()
-            name = StringField()
-
-        class Event(Document):
-            title = StringField()
-            venue = EmbeddedDocumentField(Venue)
-
-        Event.drop_collection()
-
-        venue1 = Venue(name="The Rock", location=[-87.677137, 41.909889])
-        venue2 = Venue(name="The Bridge", location=[-122.4194155, 37.7749295])
-
-        event1 = Event(title="Coltrane Motion @ Double Door",
-                       venue=venue1).save()
-        event2 = Event(title="Coltrane Motion @ Bottom of the Hill",
-                       venue=venue2).save()
-        event3 = Event(title="Coltrane Motion @ Empty Bottle",
-                       venue=venue1).save()
-
-        # find all events "near" pitchfork office, chicago.
-        # note that "near" will show the san francisco event, too,
-        # although it sorts to last.
-        events = Event.objects(venue__location__near=[-87.67892, 41.9120459])
-        self.assertEqual(events.count(), 3)
-        self.assertEqual(list(events), [event1, event3, event2])
-
     def test_linestring(self):
-
         class Road(Document):
             name = StringField()
             line = LineStringField()
@@ -362,7 +456,6 @@ class GeoQueriesTest(unittest.TestCase):
         self.assertEqual(1, roads)
 
     def test_polygon(self):
-
         class Road(Document):
             name = StringField()
             poly = PolygonField()
@@ -417,6 +510,24 @@ class GeoQueriesTest(unittest.TestCase):
         roads = Road.objects.filter(poly__geo_intersects={"$geometry": polygon}).count()
         self.assertEqual(1, roads)
 
+    def test_aspymongo_with_only(self):
+        """Ensure as_pymongo works with only"""
+        class Place(Document):
+            location = PointField()
+
+        Place.drop_collection()
+        p = Place(location=[24.946861267089844, 60.16311983618494])
+        p.save()
+        qs = Place.objects().only('location')
+        self.assertDictEqual(
+            qs.as_pymongo()[0]['location'],
+            {u'type': u'Point',
+             u'coordinates': [
+                24.946861267089844,
+                60.16311983618494]
+            }
+        )
+
     def test_2dsphere_point_sets_correctly(self):
         class Location(Document):
             loc = PointField()
@@ -459,5 +570,6 @@ class GeoQueriesTest(unittest.TestCase):
         loc = Location.objects.as_pymongo()[0]
         self.assertEqual(loc["poly"], {"type": "Polygon", "coordinates": [[[40, 4], [40, 6], [41, 6], [40, 4]]]})
 
+
 if __name__ == '__main__':
     unittest.main()