Added API Reference to docs
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@@ -6,32 +6,58 @@ __all__ = ['Document', 'EmbeddedDocument']
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class EmbeddedDocument(BaseDocument):
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"""A :class:`~mongoengine.Document` that isn't stored in its own
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collection. :class:`~mongoengine.EmbeddedDocument`\ s should be used as
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fields on :class:`~mongoengine.Document`\ s through the
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:class:`~mongoengine.EmbeddedDocumentField` field type.
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"""
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__metaclass__ = DocumentMetaclass
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class Document(BaseDocument):
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"""The base class used for defining the structure and properties of
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collections of documents stored in MongoDB. Inherit from this class, and
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add fields as class attributes to define a document's structure.
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Individual documents may then be created by making instances of the
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:class:`~mongoengine.Document` subclass.
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By default, the MongoDB collection used to store documents created using a
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:class:`~mongoengine.Document` subclass will be the name of the subclass
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converted to lowercase. A different collection may be specified by
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providing :attr:`collection` to the :attr:`meta` dictionary in the class
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definition.
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A :class:`~mongoengine.Document` subclass may be itself subclassed, to
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create a specialised version of the document that will be stored in the
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same collection. To facilitate this behaviour, `_cls` and `_types`
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fields are added to documents (hidden though the MongoEngine interface
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though). To disable this behaviour and remove the dependence on the
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presence of `_cls` and `_types`, set :attr:`allow_inheritance` to
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``False`` in the :attr:`meta` dictionary.
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"""
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__metaclass__ = TopLevelDocumentMetaclass
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def save(self):
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"""Save the document to the database. If the document already exists,
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it will be updated, otherwise it will be created.
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"""Save the :class:`~mongoengine.Document` to the database. If the
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document already exists, it will be updated, otherwise it will be
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created.
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"""
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object_id = self.objects._collection.save(self.to_mongo())
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self.id = object_id
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def delete(self):
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"""Delete the document from the database. This will only take effect
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if the document has been previously saved.
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"""Delete the :class:`~mongoengine.Document` from the database. This
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will only take effect if the document has been previously saved.
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"""
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object_id = self._fields['id'].to_mongo(self.id)
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self.__class__.objects(_id=object_id).delete()
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@classmethod
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def drop_collection(cls):
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"""Drops the entire collection associated with this Document type from
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the database.
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"""Drops the entire collection associated with this
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:class:`~mongoengine.Document` type from the database.
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"""
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db = _get_db()
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db.drop_collection(cls._meta['collection'])
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@@ -87,7 +87,7 @@ class DateTimeField(BaseField):
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class EmbeddedDocumentField(BaseField):
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"""An embedded document field. Only valid values are subclasses of
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EmbeddedDocument.
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:class:`~mongoengine.EmbeddedDocument`.
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"""
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def __init__(self, document, **kwargs):
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@@ -5,7 +5,7 @@ import pymongo
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class QuerySet(object):
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"""A set of results returned from a query. Wraps a MongoDB cursor,
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providing Document objects as the results.
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providing :class:`~mongoengine.Document` objects as the results.
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"""
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def __init__(self, document, collection):
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@@ -32,7 +32,8 @@ class QuerySet(object):
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return self
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def __call__(self, **query):
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"""Filter the selected documents by calling the queryset with a query.
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"""Filter the selected documents by calling the
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:class:`~mongoengine.QuerySet` with a query.
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"""
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self._query.update(QuerySet._transform_query(**query))
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return self
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@@ -76,7 +77,7 @@ class QuerySet(object):
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return result
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def with_id(self, object_id):
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"""Retrieve the object matching the _id provided.
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"""Retrieve the object matching the id provided.
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"""
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if not isinstance(object_id, pymongo.objectid.ObjectId):
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object_id = pymongo.objectid.ObjectId(object_id)
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@@ -87,7 +88,7 @@ class QuerySet(object):
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return result
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def next(self):
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"""Wrap the result in a Document object.
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"""Wrap the result in a :class:`~mongoengine.Document` object.
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"""
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return self._document._from_son(self._cursor.next())
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@@ -97,21 +98,22 @@ class QuerySet(object):
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return self._cursor.count()
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def limit(self, n):
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"""Limit the number of returned documents to.
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"""Limit the number of returned documents to `n`.
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"""
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self._cursor.limit(n)
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# Return self to allow chaining
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return self
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def skip(self, n):
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"""Skip n documents before returning the results.
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"""Skip `n` documents before returning the results.
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"""
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self._cursor.skip(n)
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return self
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def order_by(self, *keys):
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"""Order the QuerySet by the keys. The order may be specified by
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prepending each of the keys by a + or a -. Ascending order is assumed.
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"""Order the :class:`~mongoengine.queryset.QuerySet` by the keys. The
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order may be specified by prepending each of the keys by a + or a -.
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Ascending order is assumed.
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"""
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key_list = []
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for key in keys:
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@@ -126,6 +128,9 @@ class QuerySet(object):
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return self
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def explain(self, format=False):
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"""Return an explain plan record for the
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:class:`~mongoengine.queryset.QuerySet`\ 's cursor.
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"""
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plan = self._cursor.explain()
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if format:
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import pprint
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