mirror of
https://github.com/django/django.git
synced 2024-12-23 17:46:27 +00:00
42736ac8e8
Thanks FunkyBob for the suggestion, prasoon2211 for the initial patch, and akaariai, loic, and charettes for helping in shaping the patch.
71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
import datetime
|
|
|
|
from django.db import models, DJANGO_VERSION_PICKLE_KEY
|
|
from django.utils.translation import ugettext_lazy as _
|
|
from django.utils.version import get_major_version
|
|
|
|
|
|
def standalone_number():
|
|
return 1
|
|
|
|
|
|
class Numbers(object):
|
|
@staticmethod
|
|
def get_static_number():
|
|
return 2
|
|
|
|
@classmethod
|
|
def get_class_number(cls):
|
|
return 3
|
|
|
|
def get_member_number(self):
|
|
return 4
|
|
|
|
nn = Numbers()
|
|
|
|
|
|
class PreviousDjangoVersionQuerySet(models.QuerySet):
|
|
def __getstate__(self):
|
|
state = super(PreviousDjangoVersionQuerySet, self).__getstate__()
|
|
state[DJANGO_VERSION_PICKLE_KEY] = str(float(get_major_version()) - 0.1) # previous major version
|
|
return state
|
|
|
|
|
|
class MissingDjangoVersionQuerySet(models.QuerySet):
|
|
def __getstate__(self):
|
|
state = super(MissingDjangoVersionQuerySet, self).__getstate__()
|
|
del state[DJANGO_VERSION_PICKLE_KEY]
|
|
return state
|
|
|
|
|
|
class Group(models.Model):
|
|
name = models.CharField(_('name'), max_length=100)
|
|
objects = models.Manager()
|
|
previous_django_version_objects = PreviousDjangoVersionQuerySet.as_manager()
|
|
missing_django_version_objects = MissingDjangoVersionQuerySet.as_manager()
|
|
|
|
|
|
class Event(models.Model):
|
|
group = models.ForeignKey(Group)
|
|
|
|
|
|
class Happening(models.Model):
|
|
when = models.DateTimeField(blank=True, default=datetime.datetime.now)
|
|
name = models.CharField(blank=True, max_length=100, default=lambda: "test")
|
|
number1 = models.IntegerField(blank=True, default=standalone_number)
|
|
number2 = models.IntegerField(blank=True, default=Numbers.get_static_number)
|
|
number3 = models.IntegerField(blank=True, default=Numbers.get_class_number)
|
|
number4 = models.IntegerField(blank=True, default=nn.get_member_number)
|
|
|
|
|
|
class Container(object):
|
|
# To test pickling we need a class that isn't defined on module, but
|
|
# is still available from app-cache. So, the Container class moves
|
|
# SomeModel outside of module level
|
|
class SomeModel(models.Model):
|
|
somefield = models.IntegerField()
|
|
|
|
|
|
class M2MModel(models.Model):
|
|
groups = models.ManyToManyField(Group)
|