django1/django/db/models/__init__.py

39 lines
1.6 KiB
Python

from functools import wraps
from django.core.exceptions import ObjectDoesNotExist, ImproperlyConfigured # NOQA
from django.db.models.query import Q, QuerySet, Prefetch # NOQA
from django.db.models.expressions import ExpressionNode, F, Value, Func, Case, When # NOQA
from django.db.models.manager import Manager # NOQA
from django.db.models.base import Model # NOQA
from django.db.models.aggregates import * # NOQA
from django.db.models.fields import * # NOQA
from django.db.models.fields.subclassing import SubfieldBase # NOQA
from django.db.models.fields.files import FileField, ImageField # NOQA
from django.db.models.fields.related import ( # NOQA
ForeignKey, ForeignObject, OneToOneField, ManyToManyField,
ManyToOneRel, ManyToManyRel, OneToOneRel)
from django.db.models.fields.proxy import OrderWrt # NOQA
from django.db.models.deletion import ( # NOQA
CASCADE, PROTECT, SET, SET_NULL, SET_DEFAULT, DO_NOTHING, ProtectedError)
from django.db.models.lookups import Lookup, Transform # NOQA
from django.db.models import signals # NOQA
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
@wraps(func)
def inner(*args, **kwargs):
bits = func(*args, **kwargs)
return reverse(bits[0], None, *bits[1:3])
return inner