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from django.db import router
from django.db.models import deletion

def ALLOW_MIGRATE_CASCADE(collector, field, sub_objs, using):
  opts = sub_objs[0]._meta
  if router.allow_migrate(using, opts.app_label, opts.model_name):
    deletion.CASCADE(collector, field, sub_objs, using)

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import collections
import gc
import weakref

def create_reference():
    class A(object):
        pass

    class B(A):
        parents = collections.OrderedDict([

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from django.dispatch.dispatcher import receiver
from mutant.signals import mutable_class_prepared
import reversion


@receiver(mutable_class_prepared)
def register_reversion(sender, existing_model_class, **kwargs):
    reversion.register(sender)  # Register the newly created model class
    if obsolete_class:  # Unregister the obsolete model class
        reversion.unregister(existing_model_class)

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cls = self.__class__
if klass is None:
    klass = cls
elif not not issubclass(klass, cls):
    klass = type(klass.__name__, (klass, cls), {})

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class MyManagerBase(Manager.__class__):
    pass

class MyManager(Manager):
    __metaclass__ = MyManagerBase

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def deprecated_get_query_set(cls):
    def get_query_set(self, *args, **kwargs):
        self.trace.append("%s.get_query_set" % cls.__name__)
        return cls.get_queryset(self, *args, **kwargs)
    cls.get_query_set = get_query_set
    # Account for already defined __getattribute__
    getattribute = getattr(cls, '__getattribute__')
    def __getattribute__(self, name):
        attribute = getattribute(self, name)
        if name == 'get_queryset':

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#!/usr/bin/env python
from __future__ import unicode_literals
import os
import re
import shutil
from subprocess import Popen

from django.contrib import localflavor
import polib
from polib import POEntry

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// ==UserScript==
// @name           Django github ticket number linkify
// @namespace      django-github-ticket-linkify
// @description    Linkify ticket numbers to django's track on github
// @grant          none 
// @include        https://github.com/*/django/*
// ==/UserScript==

const TICKET_NUMBER_LINKIFY = ' <a target="_new" href="https://code.djangoproject.com/ticket/$1">#$1</a>';

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Upgrading auth.User - the profile approach

This proposal presents a "middle ground" approach to improving and refactoring auth.User, based around a new concept of "profiles". These profiles provide the main customization hook for the user model, but the user model itself stays concrete and cannot be replaced.

I call it a middle ground because it doesn't go as far as refactoring the whole auth app -- a laudable goal, but one that I believe will ultimately take far too long -- but goes a bit further than just fixing the most egregious errors (username length, for example).

This proposal includes a fair number of design decisions -- you're reading the fifth or sixth draft. To keep things clear, the options have been pruned out and on the one I think is the "winner" is still there. But see the FAQ at the end for some discussion and justification of various choices.

The User model

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