Yet Another Document Mapper (ODM) for MongoDB
Project description
===========================
Yet Another Document Mapper
===========================
.. image:: https://travis-ci.org/zzzsochi/yadm.svg?branch=master
:target: https://travis-ci.org/zzzsochi/yadm
.. image:: https://coveralls.io/repos/zzzsochi/yadm/badge.svg
:target: https://coveralls.io/r/zzzsochi/yadm
It's small and simple ODM for use with MongoDB.
Full documentation: http://yadm.readthedocs.org
------------
Requirements
------------
YAMD support MongoDB version 3.x only. MongoDB 2.x is not supported.
Minimal version of python is 3.4.
-----------
Quick start
-----------
.. code:: python
import pymongo
from yadm import Database, Document, fields
# Create model
class BlogPost(Document):
__collection__ = 'blog_posts'
title = fields.StringField()
body = fields.StringField()
# Create post
post = BlogPost()
post.title = 'Small post'
post.body = 'Bla-bla-bla...'
# Connect to database
client = pymongo.MongoClient('localhost', 27017)
db = Database(client, 'test')
# Insert post to database
db.insert(post)
# Query posts
qs = db(BlogPost).find({'title': {'$regex': '^S'}})
assert qs.count() > 0
for post in qs:
assert post.title.startswith('S')
# Query one post
post = db(BlogPost).find_one({'title': 'Small post'})
# Change post
post.title = 'Bla-bla-bla title'
# Save changed post
db.save(post)
CHANGES
=======
1.4.14 (2017-11-06)
------------------
* Add ``EnumField`` for save ``enum.Enum``;
* Add ``EnumStateField`` for simple state machines based on ``enum.Enum``.
1.4.13 (2017-10-31)
------------------
* Add ``QuerySet.batch_size`` method for setup batch size for cursor;
* Some minor fixes.
1.4.10 (2017-07-07)
------------------
* ``ReferenceField.from_mongo`` try to get document from primary
if not found by default.
1.4.9 (2017-07-06)
------------------
* Add ``QuerySet.read_primary`` method for simple setup ``read_preference.Primary``.
1.4.4 (2017-05-17)
------------------
* Add ``TimedeltaField`` for stores durations;
* Add ``SimpleEmbeddedDocumentField`` for simply create embedded documents.
.. code:: python
class Doc(Document):
embedded = SimpleEmbeddedDocumentField({
'i': IntegerField(),
's': StringField(),
})
1.4.3 (2017-05-14)
------------------
* Add ``StaticField`` for static data.
1.4.2 (2017-04-09)
------------------
* Additional arguments (like ``write_concern``) for write operations;
* ``create_fake`` save the documents with write concern "majority" by default.
1.4.0 (2017-04-05)
------------------
* Drop pymongo 2 support;
* Additional options for databases and collections;
* Add ``Database.get_document``;
* Add ``TypedEmbeddedDocumentField``;
* ``reload`` argument of ``Database.update_one`` must be keyword
(may be backward incompotable).
1.3.1 (2017-02-21)
------------------
* Change raw data for ``Money``;
1.3.0 (2017-02-19)
------------------
* Add currency support to ``Money``:
- Totaly rewrite ``Money`` type. Now it is not subclass of ``Decimal``;
- Add storage for currencies: ``yadm.fields.money.currency.DEFAULT_CURRENCY_STORAGE``;
1.2.1 (2017-01-19)
------------------
* Add ``QuerySet.find_in`` for ``$in`` queries with specified order;
1.2.0 (2016-12-27)
------------------
* Drop MongoDB 2.X suport;
* Objects for update and remove results;
* Use Faker instead fake-factory.
1.1.4 (2016-08-20)
------------------
* Add some features to ``Bulk``:
- ``Bulk.update_one(document, **kw)``: method for add update one document in bulk;
- ``Bulk.find(query).update(**kw)``: update many documents by query;
- ``Bulk.find(query).upsert().update(**kw)``: upsert document;
- ``Bulk.find(query).remove(**kw)``: remove documents;
1.1.3 (2016-07-23)
------------------
* Add ``QuerySet.ids`` method for get only documents id's from queryset;
* Add ``Money.total_cents`` method and ``Money.from_cents`` classmethod;
1.1 (2016-04-26)
----------------
* Add cacheing on queryset level and use it for ``ReferenceField``;
* Add mongo aggregation framework support;
* Add ``read_preference`` setting;
* Add ``exc`` argument to ``QuerySet.find_one`` for raise exception if not found;
* Add ``multi`` argument to ``QuerySet.remove``;
* Deprecate ``QuerySet.with_id``;
* Refactoring.
1.0 (2015-11-14)
----------------
* Change document structure. No more bad `BaseDocument.__data__` attribute:
- `BaseDocument.__raw__`: raw data from mongo;
- `BaseDocument.__cache__`: cached objects, casted with fields;
- `BaseDocument.__changed__`: changed objects.
* Changes api for custom fields:
- Not more need create field descriptors for every field;
- `prepare_value` called only for setattr;
- `to_mongo` called only for save objects to mongo;
- `from_mongo` called only for load values from `BaseDocument.__raw__`;
- Remove `Field.default` attribute. Use `Field.get_default` method;
- Add `Field.get_if_not_loaded` and `Field.get_if_attribute_not_set` method;
- By default raise `NotLoadedError` if field not loaded from projection;
* Changes in `ReferenceField`:
- Raise `BrokenReference` if link is bloken;
- Raise `NotBindingToDatabase` if document not saved to database;
* `smart_null` keyword for `Field`;
* Fields in document must be instances (not classes!);
* Remove `ArrayContainer` and `ArrayContainerField`;
* Remove old `MapIntKeysField` and `MapObjectIdKeysField`. Use new `MapCustomKeysField`;
* Add `Database.update_one` method for run simple update query with specified document;
* Add `QuerySet.distinct`;
* `serialize.from_mongo` now accept `not_loaded` sequence with filed names who must mark as not loaded, `parent` and `name`;
* `serialize.to_mongo` do not call `FieldDescriptor.__set__`;
* Fakers! Subsystem for generate test objects;
* Tests now use pytest;
* And more, and more...
Yet Another Document Mapper
===========================
.. image:: https://travis-ci.org/zzzsochi/yadm.svg?branch=master
:target: https://travis-ci.org/zzzsochi/yadm
.. image:: https://coveralls.io/repos/zzzsochi/yadm/badge.svg
:target: https://coveralls.io/r/zzzsochi/yadm
It's small and simple ODM for use with MongoDB.
Full documentation: http://yadm.readthedocs.org
------------
Requirements
------------
YAMD support MongoDB version 3.x only. MongoDB 2.x is not supported.
Minimal version of python is 3.4.
-----------
Quick start
-----------
.. code:: python
import pymongo
from yadm import Database, Document, fields
# Create model
class BlogPost(Document):
__collection__ = 'blog_posts'
title = fields.StringField()
body = fields.StringField()
# Create post
post = BlogPost()
post.title = 'Small post'
post.body = 'Bla-bla-bla...'
# Connect to database
client = pymongo.MongoClient('localhost', 27017)
db = Database(client, 'test')
# Insert post to database
db.insert(post)
# Query posts
qs = db(BlogPost).find({'title': {'$regex': '^S'}})
assert qs.count() > 0
for post in qs:
assert post.title.startswith('S')
# Query one post
post = db(BlogPost).find_one({'title': 'Small post'})
# Change post
post.title = 'Bla-bla-bla title'
# Save changed post
db.save(post)
CHANGES
=======
1.4.14 (2017-11-06)
------------------
* Add ``EnumField`` for save ``enum.Enum``;
* Add ``EnumStateField`` for simple state machines based on ``enum.Enum``.
1.4.13 (2017-10-31)
------------------
* Add ``QuerySet.batch_size`` method for setup batch size for cursor;
* Some minor fixes.
1.4.10 (2017-07-07)
------------------
* ``ReferenceField.from_mongo`` try to get document from primary
if not found by default.
1.4.9 (2017-07-06)
------------------
* Add ``QuerySet.read_primary`` method for simple setup ``read_preference.Primary``.
1.4.4 (2017-05-17)
------------------
* Add ``TimedeltaField`` for stores durations;
* Add ``SimpleEmbeddedDocumentField`` for simply create embedded documents.
.. code:: python
class Doc(Document):
embedded = SimpleEmbeddedDocumentField({
'i': IntegerField(),
's': StringField(),
})
1.4.3 (2017-05-14)
------------------
* Add ``StaticField`` for static data.
1.4.2 (2017-04-09)
------------------
* Additional arguments (like ``write_concern``) for write operations;
* ``create_fake`` save the documents with write concern "majority" by default.
1.4.0 (2017-04-05)
------------------
* Drop pymongo 2 support;
* Additional options for databases and collections;
* Add ``Database.get_document``;
* Add ``TypedEmbeddedDocumentField``;
* ``reload`` argument of ``Database.update_one`` must be keyword
(may be backward incompotable).
1.3.1 (2017-02-21)
------------------
* Change raw data for ``Money``;
1.3.0 (2017-02-19)
------------------
* Add currency support to ``Money``:
- Totaly rewrite ``Money`` type. Now it is not subclass of ``Decimal``;
- Add storage for currencies: ``yadm.fields.money.currency.DEFAULT_CURRENCY_STORAGE``;
1.2.1 (2017-01-19)
------------------
* Add ``QuerySet.find_in`` for ``$in`` queries with specified order;
1.2.0 (2016-12-27)
------------------
* Drop MongoDB 2.X suport;
* Objects for update and remove results;
* Use Faker instead fake-factory.
1.1.4 (2016-08-20)
------------------
* Add some features to ``Bulk``:
- ``Bulk.update_one(document, **kw)``: method for add update one document in bulk;
- ``Bulk.find(query).update(**kw)``: update many documents by query;
- ``Bulk.find(query).upsert().update(**kw)``: upsert document;
- ``Bulk.find(query).remove(**kw)``: remove documents;
1.1.3 (2016-07-23)
------------------
* Add ``QuerySet.ids`` method for get only documents id's from queryset;
* Add ``Money.total_cents`` method and ``Money.from_cents`` classmethod;
1.1 (2016-04-26)
----------------
* Add cacheing on queryset level and use it for ``ReferenceField``;
* Add mongo aggregation framework support;
* Add ``read_preference`` setting;
* Add ``exc`` argument to ``QuerySet.find_one`` for raise exception if not found;
* Add ``multi`` argument to ``QuerySet.remove``;
* Deprecate ``QuerySet.with_id``;
* Refactoring.
1.0 (2015-11-14)
----------------
* Change document structure. No more bad `BaseDocument.__data__` attribute:
- `BaseDocument.__raw__`: raw data from mongo;
- `BaseDocument.__cache__`: cached objects, casted with fields;
- `BaseDocument.__changed__`: changed objects.
* Changes api for custom fields:
- Not more need create field descriptors for every field;
- `prepare_value` called only for setattr;
- `to_mongo` called only for save objects to mongo;
- `from_mongo` called only for load values from `BaseDocument.__raw__`;
- Remove `Field.default` attribute. Use `Field.get_default` method;
- Add `Field.get_if_not_loaded` and `Field.get_if_attribute_not_set` method;
- By default raise `NotLoadedError` if field not loaded from projection;
* Changes in `ReferenceField`:
- Raise `BrokenReference` if link is bloken;
- Raise `NotBindingToDatabase` if document not saved to database;
* `smart_null` keyword for `Field`;
* Fields in document must be instances (not classes!);
* Remove `ArrayContainer` and `ArrayContainerField`;
* Remove old `MapIntKeysField` and `MapObjectIdKeysField`. Use new `MapCustomKeysField`;
* Add `Database.update_one` method for run simple update query with specified document;
* Add `QuerySet.distinct`;
* `serialize.from_mongo` now accept `not_loaded` sequence with filed names who must mark as not loaded, `parent` and `name`;
* `serialize.to_mongo` do not call `FieldDescriptor.__set__`;
* Fakers! Subsystem for generate test objects;
* Tests now use pytest;
* And more, and more...
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