odbm 0.5.6

Object wrapper for dbms

Links

• repository: https://bitbucket.org/imbolc/odbm/

• russian docs: http://pysi.org/lab/odbm/

Installation

$ pip install odbm

Usage

>>> from datetime import datetime
>>> import odbm

>>> class User(odbm.Model):
...     username = odbm.UnicodeProperty(primary_key=True)
...     friends  = odbm.Property(default=[], key='f')
...     created  = odbm.DateTimeProperty(key='c')
...
...     __backend__ = staticmethod(lambda: dict())

>>> User(
...     username = 'foo',
...     friends  = ['bar', 'baz'],
...     created = datetime.now(),
... ).save()
>>> User(username='bar', created = datetime.now()).save()
>>> User(username='baz', created = datetime.now()).save()

>>> User.get('foo').friends
['bar', 'baz']

>>> [u.username for u in User.find(
...     filter  = lambda u: not u.friends,
...     order   = lambda x: x.created)]
[u'bar', u'baz']

>>> User.count()
3
>>> User.count(lambda u: 'baz' in u.friends)
1
>>> User.find_one().delete()
>>> User.count()
2