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Updates to imports for future pymongo 2.2

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This commit is contained in:
Ross Lawley
2012-02-17 11:18:25 +00:00
parent a15352a4f8
commit a59b518cf2
9 changed files with 81 additions and 69 deletions
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14
mongoengine/base.py
View File

@@ -6,9 +6,11 @@ from mongoengine import signals
import sys
import pymongo
import pymongo.objectid
from bson import ObjectId
import operator
from functools import partial
from bson.dbref import DBRef
class NotRegistered(Exception):
@@ -295,7 +297,7 @@ class ComplexBaseField(BaseField):
self.error('You can only reference documents once they'
' have been saved to the database')
collection = v._get_collection_name()
value_dict[k] = pymongo.dbref.DBRef(collection, v.pk)
value_dict[k] = DBRef(collection, v.pk)
elif hasattr(v, 'to_python'):
value_dict[k] = v.to_python()
else:
@@ -344,7 +346,7 @@ class ComplexBaseField(BaseField):
value_dict[k] = GenericReferenceField().to_mongo(v)
else:
collection = v._get_collection_name()
value_dict[k] = pymongo.dbref.DBRef(collection, v.pk)
value_dict[k] = DBRef(collection, v.pk)
elif hasattr(v, 'to_mongo'):
value_dict[k] = v.to_mongo()
else:
@@ -447,9 +449,9 @@ class ObjectIdField(BaseField):
return value
def to_mongo(self, value):
if not isinstance(value, pymongo.objectid.ObjectId):
if not isinstance(value, ObjectId):
try:
return pymongo.objectid.ObjectId(unicode(value))
return ObjectId(unicode(value))
except Exception, e:
# e.message attribute has been deprecated since Python 2.6
self.error(unicode(e))
@@ -460,7 +462,7 @@ class ObjectIdField(BaseField):
def validate(self, value):
try:
pymongo.objectid.ObjectId(unicode(value))
ObjectId(unicode(value))
except:
self.error('Invalid Object ID')

21
mongoengine/connection.py
View File

@@ -46,7 +46,12 @@ def register_connection(alias, name, host='localhost', port=27017,
raise ConnectionError("If using URI style connection include "\
"database name in string")
uri_dict['name'] = uri_dict.get('database')
_connection_settings[alias] = uri_dict
_connection_settings[alias] = {
'host': host,
'name': uri_dict.get('database'),
'username': uri_dict.get('username'),
'password': uri_dict.get('password')
}
return
_connection_settings[alias] = {
@@ -89,11 +94,11 @@ def get_connection(alias=DEFAULT_CONNECTION_NAME, reconnect=False):
conn_settings = _connection_settings[alias].copy()
if hasattr(pymongo, 'version_tuple'): # Support for 2.1+
conn_settings.pop('name')
conn_settings.pop('slaves')
conn_settings.pop('is_slave')
conn_settings.pop('username')
conn_settings.pop('password')
conn_settings.pop('name', None)
conn_settings.pop('slaves', None)
conn_settings.pop('is_slave', None)
conn_settings.pop('username', None)
conn_settings.pop('password', None)
else:
# Get all the slave connections
if 'slaves' in conn_settings:
@@ -106,8 +111,7 @@ def get_connection(alias=DEFAULT_CONNECTION_NAME, reconnect=False):
try:
_connections[alias] = Connection(**conn_settings)
except Exception, e:
raise e
raise ConnectionError('Cannot connect to database %s' % alias)
raise ConnectionError("Cannot connect to database %s :\n%s" % (alias, e))
return _connections[alias]
@@ -120,7 +124,6 @@ def get_db(alias=DEFAULT_CONNECTION_NAME, reconnect=False):
conn = get_connection(alias)
conn_settings = _connection_settings[alias]
_dbs[alias] = conn[conn_settings['name']]
# Authenticate if necessary
if conn_settings['username'] and conn_settings['password']:
_dbs[alias].authenticate(conn_settings['username'],

16
mongoengine/dereference.py
View File

@@ -1,4 +1,4 @@
import pymongo
from bson import DBRef, SON
from base import (BaseDict, BaseList, TopLevelDocumentMetaclass, get_document)
from fields import ReferenceField
@@ -68,9 +68,9 @@ class DeReference(object):
if hasattr(item, '_fields'):
for field_name, field in item._fields.iteritems():
v = item._data.get(field_name, None)
if isinstance(v, (pymongo.dbref.DBRef)):
if isinstance(v, (DBRef)):
reference_map.setdefault(field.document_type, []).append(v.id)
elif isinstance(v, (dict, pymongo.son.SON)) and '_ref' in v:
elif isinstance(v, (dict, SON)) and '_ref' in v:
reference_map.setdefault(get_document(v['_cls']), []).append(v['_ref'].id)
elif isinstance(v, (dict, list, tuple)) and depth <= self.max_depth:
field_cls = getattr(getattr(field, 'field', None), 'document_type', None)
@@ -79,9 +79,9 @@ class DeReference(object):
if isinstance(field_cls, (Document, TopLevelDocumentMetaclass)):
key = field_cls
reference_map.setdefault(key, []).extend(refs)
elif isinstance(item, (pymongo.dbref.DBRef)):
elif isinstance(item, (DBRef)):
reference_map.setdefault(item.collection, []).append(item.id)
elif isinstance(item, (dict, pymongo.son.SON)) and '_ref' in item:
elif isinstance(item, (dict, SON)) and '_ref' in item:
reference_map.setdefault(get_document(item['_cls']), []).append(item['_ref'].id)
elif isinstance(item, (dict, list, tuple)) and depth - 1 <= self.max_depth:
references = self._find_references(item, depth - 1)
@@ -138,7 +138,7 @@ class DeReference(object):
else:
return BaseList(items, instance, name)
if isinstance(items, (dict, pymongo.son.SON)):
if isinstance(items, (dict, SON)):
if '_ref' in items:
return self.object_map.get(items['_ref'].id, items)
elif '_types' in items and '_cls' in items:
@@ -167,9 +167,9 @@ class DeReference(object):
elif hasattr(v, '_fields'):
for field_name, field in v._fields.iteritems():
v = data[k]._data.get(field_name, None)
if isinstance(v, (pymongo.dbref.DBRef)):
if isinstance(v, (DBRef)):
data[k]._data[field_name] = self.object_map.get(v.id, v)
elif isinstance(v, (dict, pymongo.son.SON)) and '_ref' in v:
elif isinstance(v, (dict, SON)) and '_ref' in v:
data[k]._data[field_name] = self.object_map.get(v['_ref'].id, v)
elif isinstance(v, dict) and depth <= self.max_depth:
data[k]._data[field_name] = self._attach_objects(v, depth, instance=instance, name=name)

15
mongoengine/document.py
View File

@@ -1,11 +1,12 @@
import pymongo
from bson.dbref import DBRef
from mongoengine import signals
from base import (DocumentMetaclass, TopLevelDocumentMetaclass, BaseDocument,
BaseDict, BaseList)
from queryset import OperationError
from connection import get_db, DEFAULT_CONNECTION_NAME
import pymongo
__all__ = ['Document', 'EmbeddedDocument', 'DynamicDocument',
'DynamicEmbeddedDocument', 'OperationError', 'InvalidCollectionError']
@@ -151,7 +152,7 @@ class Document(BaseDocument):
.. versionchanged:: 0.5
In existing documents it only saves changed fields using set / unset
Saves are cascaded and any :class:`~pymongo.dbref.DBRef` objects
Saves are cascaded and any :class:`~bson.dbref.DBRef` objects
that have changes are saved as well.
.. versionchanged:: 0.6
Cascade saves are optional = defaults to True, if you want fine grain
@@ -271,7 +272,7 @@ class Document(BaseDocument):
signals.post_delete.send(self.__class__, document=self)
def select_related(self, max_depth=1):
"""Handles dereferencing of :class:`~pymongo.dbref.DBRef` objects to
"""Handles dereferencing of :class:`~bson.dbref.DBRef` objects to
a maximum depth in order to cut down the number queries to mongodb.
.. versionadded:: 0.5
@@ -313,12 +314,12 @@ class Document(BaseDocument):
return value
def to_dbref(self):
"""Returns an instance of :class:`~pymongo.dbref.DBRef` useful in
"""Returns an instance of :class:`~bson.dbref.DBRef` useful in
`__raw__` queries."""
if not self.pk:
msg = "Only saved documents can have a valid dbref"
raise OperationError(msg)
return pymongo.dbref.DBRef(self.__class__._get_collection_name(), self.pk)
return DBRef(self.__class__._get_collection_name(), self.pk)
@classmethod
def register_delete_rule(cls, document_cls, field_name, rule):
@@ -385,7 +386,7 @@ class MapReduceDocument(object):
:param collection: An instance of :class:`~pymongo.Collection`
:param key: Document/result key, often an instance of
:class:`~pymongo.objectid.ObjectId`. If supplied as
:class:`~bson.objectid.ObjectId`. If supplied as
an ``ObjectId`` found in the given ``collection``,
the object can be accessed via the ``object`` property.
:param value: The result(s) for this key.

22
mongoengine/fields.py
View File

@@ -2,13 +2,11 @@ import datetime
import time
import decimal
import gridfs
import pymongo
import pymongo.binary
import pymongo.dbref
import pymongo.son
import re
import uuid
from bson import Binary, DBRef, SON, ObjectId
from base import (BaseField, ComplexBaseField, ObjectIdField,
ValidationError, get_document)
from queryset import DO_NOTHING, QuerySet
@@ -644,7 +642,7 @@ class ReferenceField(BaseField):
# Get value from document instance if available
value = instance._data.get(self.name)
# Dereference DBRefs
if isinstance(value, (pymongo.dbref.DBRef)):
if isinstance(value, (DBRef)):
value = self.document_type._get_db().dereference(value)
if value is not None:
instance._data[self.name] = self.document_type._from_son(value)
@@ -666,7 +664,7 @@ class ReferenceField(BaseField):
id_ = id_field.to_mongo(id_)
collection = self.document_type._get_collection_name()
return pymongo.dbref.DBRef(collection, id_)
return DBRef(collection, id_)
def prepare_query_value(self, op, value):
if value is None:
@@ -675,7 +673,7 @@ class ReferenceField(BaseField):
return self.to_mongo(value)
def validate(self, value):
if not isinstance(value, (self.document_type, pymongo.dbref.DBRef)):
if not isinstance(value, (self.document_type, DBRef)):
self.error('A ReferenceField only accepts DBRef')
if isinstance(value, Document) and value.id is None:
@@ -701,13 +699,13 @@ class GenericReferenceField(BaseField):
return self
value = instance._data.get(self.name)
if isinstance(value, (dict, pymongo.son.SON)):
if isinstance(value, (dict, SON)):
instance._data[self.name] = self.dereference(value)
return super(GenericReferenceField, self).__get__(instance, owner)
def validate(self, value):
if not isinstance(value, (Document, pymongo.dbref.DBRef)):
if not isinstance(value, (Document, DBRef)):
self.error('GenericReferences can only contain documents')
# We need the id from the saved object to create the DBRef
@@ -741,7 +739,7 @@ class GenericReferenceField(BaseField):
id_ = id_field.to_mongo(id_)
collection = document._get_collection_name()
ref = pymongo.dbref.DBRef(collection, id_)
ref = DBRef(collection, id_)
return {'_cls': document._class_name, '_ref': ref}
def prepare_query_value(self, op, value):
@@ -760,7 +758,7 @@ class BinaryField(BaseField):
super(BinaryField, self).__init__(**kwargs)
def to_mongo(self, value):
return pymongo.binary.Binary(value)
return Binary(value)
def to_python(self, value):
# Returns str not unicode as this is binary data
@@ -964,7 +962,7 @@ class FileField(BaseField):
if value.grid_id is not None:
if not isinstance(value, self.proxy_class):
self.error('FileField only accepts GridFSProxy values')
if not isinstance(value.grid_id, pymongo.objectid.ObjectId):
if not isinstance(value.grid_id, ObjectId):
self.error('Invalid GridFSProxy value')

44
mongoengine/queryset.py
View File

@@ -1,16 +1,14 @@
from connection import get_db
from mongoengine import signals
import pprint
import pymongo
import pymongo.code
import pymongo.dbref
import pymongo.objectid
import re
import copy
import itertools
import operator
import pymongo
from bson.code import Code
from mongoengine import signals
__all__ = ['queryset_manager', 'Q', 'InvalidQueryError',
'DO_NOTHING', 'NULLIFY', 'CASCADE', 'DENY']
@@ -935,9 +933,9 @@ class QuerySet(object):
and :meth:`~mongoengine.tests.QuerySetTest.test_map_advanced`
tests in ``tests.queryset.QuerySetTest`` for usage examples.
:param map_f: map function, as :class:`~pymongo.code.Code` or string
:param map_f: map function, as :class:`~bson.code.Code` or string
:param reduce_f: reduce function, as
:class:`~pymongo.code.Code` or string
:class:`~bson.code.Code` or string
:param output: output collection name, if set to 'inline' will try to
use :class:`~pymongo.collection.Collection.inline_map_reduce`
:param finalize_f: finalize function, an optional function that
@@ -967,27 +965,27 @@ class QuerySet(object):
raise NotImplementedError("Requires MongoDB >= 1.7.1")
map_f_scope = {}
if isinstance(map_f, pymongo.code.Code):
if isinstance(map_f, Code):
map_f_scope = map_f.scope
map_f = unicode(map_f)
map_f = pymongo.code.Code(self._sub_js_fields(map_f), map_f_scope)
map_f = Code(self._sub_js_fields(map_f), map_f_scope)
reduce_f_scope = {}
if isinstance(reduce_f, pymongo.code.Code):
if isinstance(reduce_f, Code):
reduce_f_scope = reduce_f.scope
reduce_f = unicode(reduce_f)
reduce_f_code = self._sub_js_fields(reduce_f)
reduce_f = pymongo.code.Code(reduce_f_code, reduce_f_scope)
reduce_f = Code(reduce_f_code, reduce_f_scope)
mr_args = {'query': self._query}
if finalize_f:
finalize_f_scope = {}
if isinstance(finalize_f, pymongo.code.Code):
if isinstance(finalize_f, Code):
finalize_f_scope = finalize_f.scope
finalize_f = unicode(finalize_f)
finalize_f_code = self._sub_js_fields(finalize_f)
finalize_f = pymongo.code.Code(finalize_f_code, finalize_f_scope)
finalize_f = Code(finalize_f_code, finalize_f_scope)
mr_args['finalize'] = finalize_f
if scope:
@@ -1499,7 +1497,7 @@ class QuerySet(object):
query['$where'] = self._where_clause
scope['query'] = query
code = pymongo.code.Code(code, scope=scope)
code = Code(code, scope=scope)
db = self._document._get_db()
return db.eval(code, *fields)
@@ -1528,13 +1526,13 @@ class QuerySet(object):
.. versionchanged:: 0.5 - updated to map_reduce as db.eval doesnt work
with sharding.
"""
map_func = pymongo.code.Code("""
map_func = Code("""
function() {
emit(1, this[field] || 0);
}
""", scope={'field': field})
reduce_func = pymongo.code.Code("""
reduce_func = Code("""
function(key, values) {
var sum = 0;
for (var i in values) {
@@ -1558,14 +1556,14 @@ class QuerySet(object):
.. versionchanged:: 0.5 - updated to map_reduce as db.eval doesnt work
with sharding.
"""
map_func = pymongo.code.Code("""
map_func = Code("""
function() {
if (this.hasOwnProperty(field))
emit(1, {t: this[field] || 0, c: 1});
}
""", scope={'field': field})
reduce_func = pymongo.code.Code("""
reduce_func = Code("""
function(key, values) {
var out = {t: 0, c: 0};
for (var i in values) {
@@ -1577,7 +1575,7 @@ class QuerySet(object):
}
""")
finalize_func = pymongo.code.Code("""
finalize_func = Code("""
function(key, value) {
return value.t / value.c;
}
@@ -1719,7 +1717,7 @@ class QuerySet(object):
def __repr__(self):
limit = REPR_OUTPUT_SIZE + 1
start = ( 0 if self._skip is None else self._skip )
start = (0 if self._skip is None else self._skip)
if self._limit is None:
stop = start + limit
if self._limit is not None:
@@ -1736,7 +1734,7 @@ class QuerySet(object):
return repr(data)
def select_related(self, max_depth=1):
"""Handles dereferencing of :class:`~pymongo.dbref.DBRef` objects to
"""Handles dereferencing of :class:`~bson.dbref.DBRef` objects to
a maximum depth in order to cut down the number queries to mongodb.
.. versionadded:: 0.5