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django/django/db/models/__init__.py
Russell Keith-Magee cf37e4624a Fixed #7210 -- Added F() expressions to query language. See the documentation for details on usage.
Many thanks to:
    * Nicolas Lara, who worked on this feature during the 2008 Google Summer of Code.
    * Alex Gaynor for his help debugging and fixing a number of issues.
    * Malcolm Tredinnick for his invaluable review notes.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9792 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2009-01-29 10:46:36 +00:00

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Python

from django.conf import settings
from django.core.exceptions import ObjectDoesNotExist, ImproperlyConfigured
from django.db import connection
from django.db.models.loading import get_apps, get_app, get_models, get_model, register_models
from django.db.models.query import Q
from django.db.models.expressions import F
from django.db.models.manager import Manager
from django.db.models.base import Model
from django.db.models.aggregates import *
from django.db.models.fields import *
from django.db.models.fields.subclassing import SubfieldBase
from django.db.models.fields.files import FileField, ImageField
from django.db.models.fields.related import ForeignKey, OneToOneField, ManyToManyField, ManyToOneRel, ManyToManyRel, OneToOneRel
from django.db.models import signals
# Admin stages.
ADD, CHANGE, BOTH = 1, 2, 3
def permalink(func):
"""
Decorator that calls urlresolvers.reverse() to return a URL using
parameters returned by the decorated function "func".
"func" should be a function that returns a tuple in one of the
following formats:
(viewname, viewargs)
(viewname, viewargs, viewkwargs)
"""
from django.core.urlresolvers import reverse
def inner(*args, **kwargs):
bits = func(*args, **kwargs)
return reverse(bits[0], None, *bits[1:3])
return inner