mirror of
https://github.com/django/django.git
synced 2024-12-30 21:16:26 +00:00
61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
import datetime
|
|
|
|
from django.db import DJANGO_VERSION_PICKLE_KEY, models
|
|
from django.utils.translation import gettext_lazy as _
|
|
|
|
|
|
def standalone_number():
|
|
return 1
|
|
|
|
|
|
class Numbers:
|
|
@staticmethod
|
|
def get_static_number():
|
|
return 2
|
|
|
|
|
|
class PreviousDjangoVersionQuerySet(models.QuerySet):
|
|
def __getstate__(self):
|
|
state = super().__getstate__()
|
|
state[DJANGO_VERSION_PICKLE_KEY] = '1.0'
|
|
return state
|
|
|
|
|
|
class MissingDjangoVersionQuerySet(models.QuerySet):
|
|
def __getstate__(self):
|
|
state = super().__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):
|
|
title = models.CharField(max_length=100)
|
|
group = models.ForeignKey(Group, models.CASCADE)
|
|
|
|
|
|
class Happening(models.Model):
|
|
when = models.DateTimeField(blank=True, default=datetime.datetime.now)
|
|
name = models.CharField(blank=True, max_length=100, default="test")
|
|
number1 = models.IntegerField(blank=True, default=standalone_number)
|
|
number2 = models.IntegerField(blank=True, default=Numbers.get_static_number)
|
|
event = models.OneToOneField(Event, models.CASCADE, null=True)
|
|
|
|
|
|
class Container:
|
|
# 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)
|