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Project Description

μMongo: sync/async ODM

μMongo is a Python MongoDB ODM. It inception comes from two needs: the lack of async ODM and the difficulty to do document (un)serialization with existing ODMs.

>From this point, μMongo made a few design choices:

  • Stay close to the standards MongoDB driver to keep the same API when possible: use find({"field": "value"}) like usual but retrieve your data nicely OO wrapped !
  • Work with multiple drivers (PyMongo, TxMongo, motor_asyncio and mongomock for the moment)
  • Tight integration with Marshmallow serialization library to easily dump and load your data with the outside world
  • i18n integration to localize validation error messages
  • Free software: MIT license
  • Test with 90%+ coverage ;-)

Quick example

from datetime import datetime
from pymongo import MongoClient
from umongo import Instance, Document, fields, validate

db = MongoClient().test
instance = Instance(db)

@instance.register
class User(Document):
    email = fields.EmailField(required=True, unique=True)
    birthday = fields.DateTimeField(validate=validate.Range(min=datetime(1900, 1, 1)))
    friends = fields.ListField(fields.ReferenceField("User"))

    class Meta:
        collection = db.user

goku = User(email='goku@sayen.com', birthday=datetime(1984, 11, 20))
goku.commit()
vegeta = User(email='vegeta@over9000.com', friends=[goku])
vegeta.commit()

vegeta.friends
# <object umongo.data_objects.List([<object umongo.dal.pymongo.PyMongoReference(document=User, pk=ObjectId('5717568613adf27be6363f78'))>])>
vegeta.dump()
# {id': '570ddb311d41c89cabceeddc', 'email': 'vegeta@over9000.com', friends': ['570ddb2a1d41c89cabceeddb']}
User.find_one({"email": 'goku@sayen.com'})
# <object Document __main__.User({'id': ObjectId('570ddb2a1d41c89cabceeddb'), 'friends': <object umongo.data_objects.List([])>,
#                                 'email': 'goku@sayen.com', 'birthday': datetime.datetime(1984, 11, 20, 0, 0)})>

Get it now:

$ pip install umongo
$ pip install my-mongo-driver  # Note you have to manually install the mongodb driver

Or to get it along with the MongoDB driver you’re planing to use:

$ pip install umongo[pymongo]   # choose
$ pip install umongo[motor]     # one
$ pip install umongo[txmongo]   # of
$ pip install umongo[mongomock] # them ;-)

History

0.12.0 (2016-11-11)

  • Replace Document.opts.children by offspring and fix grand child inheritance issue (see #66)
  • Fix dependancy since release of motor 1.0 with breaking API

0.11.0 (2016-11-02)

  • data_objects Dict and List inherit builtins dict and list
  • Document&EmbeddedDocument store fields passed during initialization as modified (see #50)
  • Required field inside embedded document are handled correctly (see #61)
  • Document support marshmallow’s pre/post processors

0.10.0 (2016-09-29)

  • Add pre/post update/insert/delete hooks (see #22)
  • Provide Umongo to Marshmallow schema/field conversion with schema.as_marshmallow_schema() and field.as_marshmallow_field() (see #34)
  • List and Dict inherit from collections’s UserList and UserDict instead of builtins types (needed due to metaprogramming conflict otherwise)
  • DeleteError and UpdateError returns the driver result object instead of the raw error dict (except for motor which only has raw error dict)

0.9.0 (2016-06-11)

  • Queries can now be expressed with the document’s fields name instead of the name in database
  • EmbeddedDocument also need to be registered by and instance before use

0.8.1 (2016-05-19)

  • Replace Document.created by is_created (see #14)

0.8.0 (2016-05-18)

  • Heavy rewrite of the project, lost of API breakage
  • Documents are now first defined as templates then implemented inside an Instance
  • DALs has been replaced by frameworks implementations of Builder
  • Fix __getitem__ for Pymongo.Cursor wrapper
  • Add conditions argument to Document.commit
  • Add count method to txmongo

0.7.8 (2016-4-28)

  • Fix setup.py style preventing release of version 0.7.7

0.7.7 (2016-4-28)

  • Fix await error with Reference.fetch
  • Pymongo is now only installed with extra flavours of umongo

0.7.6 (2016-4-28)

  • Use extras_require to install driver along with umongo

0.7.5 (2016-4-23)

  • Fixing await (Python >= 3.5) support for motor-asyncio

0.7.4 (2016-4-21)

  • Fix missing package in setup.py

0.7.3 (2016-4-21)

  • Fix setup.py style preventing from release

0.7.2 (2016-4-21)

  • Fix crash when generating indexes on EmbeddedDocument

0.7.1 (2016-4-21)

  • Fix setup.py not to install tests package
  • Pass status to Beta

0.7.0 (2016-4-21)

  • Add i18n support
  • Add MongoMock support
  • Documentation has been a lot extended

0.6.1 (2016-4-13)

  • Add <dal>_lazy_loader to configure Document’s lazy_collection

0.6.0 (2016-4-12)

  • Heavy improvements everywhere !

0.1.0 (2016-1-22)

  • First release on PyPI.
Release History

Release History

0.12.0

This version

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0.11.0

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0.10.0

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0.9.0

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0.8.1

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0.8.0

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0.7.8

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0.7.6

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0.7.5

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0.7.4

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0.7.3

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0.7.0

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0.6.1

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0.6.0

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0.5.2

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0.5.1

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0.5.0

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0.4.1

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0.3.4

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0.3.3

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0.3.0

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
umongo-0.12.0-py2.py3-none-any.whl (45.3 kB) Copy SHA256 Checksum SHA256 py2.py3 Wheel Nov 11, 2016
umongo-0.12.0.tar.gz (71.9 kB) Copy SHA256 Checksum SHA256 Source Nov 11, 2016

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