71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
import datetime
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from django.db import models, DJANGO_VERSION_PICKLE_KEY
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from django.utils.translation import ugettext_lazy as _
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from django.utils.version import get_major_version
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def standalone_number():
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return 1
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class Numbers(object):
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@staticmethod
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def get_static_number():
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return 2
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@classmethod
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def get_class_number(cls):
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return 3
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def get_member_number(self):
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return 4
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nn = Numbers()
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class PreviousDjangoVersionQuerySet(models.QuerySet):
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def __getstate__(self):
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state = super(PreviousDjangoVersionQuerySet, self).__getstate__()
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state[DJANGO_VERSION_PICKLE_KEY] = str(float(get_major_version()) - 0.1) # previous major version
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return state
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class MissingDjangoVersionQuerySet(models.QuerySet):
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def __getstate__(self):
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state = super(MissingDjangoVersionQuerySet, self).__getstate__()
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del state[DJANGO_VERSION_PICKLE_KEY]
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return state
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class Group(models.Model):
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name = models.CharField(_('name'), max_length=100)
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objects = models.Manager()
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previous_django_version_objects = PreviousDjangoVersionQuerySet.as_manager()
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missing_django_version_objects = MissingDjangoVersionQuerySet.as_manager()
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class Event(models.Model):
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group = models.ForeignKey(Group)
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class Happening(models.Model):
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when = models.DateTimeField(blank=True, default=datetime.datetime.now)
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name = models.CharField(blank=True, max_length=100, default=lambda: "test")
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number1 = models.IntegerField(blank=True, default=standalone_number)
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number2 = models.IntegerField(blank=True, default=Numbers.get_static_number)
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number3 = models.IntegerField(blank=True, default=Numbers.get_class_number)
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number4 = models.IntegerField(blank=True, default=nn.get_member_number)
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class Container(object):
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# To test pickling we need a class that isn't defined on module, but
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# is still available from app-cache. So, the Container class moves
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# SomeModel outside of module level
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class SomeModel(models.Model):
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somefield = models.IntegerField()
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class M2MModel(models.Model):
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groups = models.ManyToManyField(Group)
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