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mongo 0.2.0

Minimalistic pymongo object wrapper

Minimalistic pymongo object wrapper

Document

Minimal document model:

>>> from mongo import Document, Index
>>> class Doc(Document):
...     __database__ = 'mongo_test'  # database name

All allowed settings:

>>> class Doc(Document):
...     __connection__ = {'host': 'localhost', 'port': 27017}
...     #__auth__ = ('username', 'password')
...     __database__ = 'mongo_test' # database name
...     __collection__ = 'test'     # collection name
...     __safe__ = True             # enable safe insert mode
...
...     __indexes__ = [
...         Index('number', unique=True, sparse=True),
...     ]

Clear collection

>>> t = Doc.remove()
>>> Doc.count()
0

Create document

>>> doc = Doc(foo='bar')
>>> doc['number'] = 10
>>> doc.save()
>>> '_id' in doc
True

Fetch

Get by id:

>>> doc1 = Doc.get_by_id(doc.id)
>>> doc1 == doc
True

Find one:

>>> doc2 = Doc.find_one({'number': 10})
>>> doc2 == doc
True

Find:

>>> doc3 = Doc.find({'number': 10}).limit(1)[0]
>>> doc3 == doc
True

Get or create:

>>> doc4, new = Doc.get_or_create({'number': 10}, defaults={'foo': 'bar'})
>>> new
False
>>> doc4 == doc
True

Update

Update filtered documents:

>>> t = Doc.update({'number': 10}, {'$set': {'text': 'foo'}})
>>> doc = Doc.find_one({'number': 10})
>>> doc['text']
u'foo'

Save only some fields:

>>> doc['text'] = u'bar'
>>> doc['number'] = 11
>>> doc.save_fields('text')
>>> doc = Doc.find_one({'number': 10})
>>> doc['text'], doc['number']
(u'bar', 10)

Update only some fields:

>>> doc.atomic_update({'$inc': {'number': 2}})
>>> doc = Doc.find_one({'text': 'bar'})
>>> doc['number']
12

Counting

>>> Doc().save()
>>> Doc.count()
2
>>> Doc.find({'number': 12}).count()
1

Delete

Remove single document:

>>> t = doc.delete()
>>> Doc.find_one({'number': 12})

Remove some documents:

>>> t = Doc.remove({'number': 10})

Remove all documents:

>>> t = Doc.remove()
 
File Type Py Version Uploaded on Size
mongo-0.2.0.tar.gz (md5) Source 2012-10-11 4KB
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  • Author: Imbolc
  • Home Page: https://github.com/imbolc/mongo
  • Keywords: mongodb,pymongo,orm
  • License:
    Copyright (c) 2012 Imbolc
    
    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies.
    
    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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  • Package Index Owner: imbolc.name
  • DOAP record: mongo-0.2.0.xml