Removed deprecated aliases in django.db.models.

from functools import wraps

import sys

import warnings

from django.core.exceptions import ObjectDoesNotExist, ImproperlyConfigured  # NOQA

from django.db.models.query import Q, QuerySet, Prefetch  # 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

from django.utils.deprecation import RemovedInDjango19Warning

def permalink(func):

        bits = func(*args, **kwargs)

        return reverse(bits[0], None, *bits[1:3])

    return inner

# Deprecated aliases for functions were exposed in this module.

def make_alias(function_name):

    # Close function_name.

    def alias(*args, **kwargs):

        warnings.warn(

            "django.db.models.%s is deprecated." % function_name,

            RemovedInDjango19Warning, stacklevel=2)

        # This raises a second warning.

        from . import loading

        return getattr(loading, function_name)(*args, **kwargs)

    alias.__name__ = function_name

    return alias

this_module = sys.modules['django.db.models']

for function_name in ('get_apps', 'get_app_path', 'get_app_paths', 'get_app',

                      'get_models', 'get_model', 'register_models'):

    setattr(this_module, function_name, make_alias(function_name))

del this_module, make_alias, function_name