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# -*- coding: utf-8 -*-
from django.db import models
from polymorphic import PolymorphicModel, PolymorphicManager, PolymorphicQuerySet
from polymorphic.showfields import ShowFieldContent, ShowFieldType, ShowFieldTypeAndContent
class Project(ShowFieldContent, PolymorphicModel):
topic = models.CharField(max_length=30)
class ArtProject(Project):
artist = models.CharField(max_length=30)
class ResearchProject(Project):
supervisor = models.CharField(max_length=30)
class ModelA(ShowFieldTypeAndContent, PolymorphicModel):
field1 = models.CharField(max_length=10)
class ModelB(ModelA):
field2 = models.CharField(max_length=10)
class ModelC(ModelB):
field3 = models.CharField(max_length=10)
class nModelA(models.Model):
field1 = models.CharField(max_length=10)
class nModelB(nModelA):
field2 = models.CharField(max_length=10)
class nModelC(nModelB):
field3 = models.CharField(max_length=10)
# for Django 1.2+, test models with same names in different apps
# (the other models with identical names are in polymorphic/tests.py)
from django import VERSION as django_VERSION
if not (django_VERSION[0]<=1 and django_VERSION[1]<=1):
class Model2A(PolymorphicModel):
field1 = models.CharField(max_length=10)
class Model2B(Model2A):
field2 = models.CharField(max_length=10)
class Model2C(Model2B):
field3 = models.CharField(max_length=10)
try: from polymorphic.test_tools import UUIDField
except: pass
if 'UUIDField' in globals():
class UUIDModelA(ShowFieldTypeAndContent, PolymorphicModel):
uuid_primary_key = UUIDField(primary_key = True)
field1 = models.CharField(max_length=10)
class UUIDModelB(UUIDModelA):
field2 = models.CharField(max_length=10)
class UUIDModelC(UUIDModelB):
field3 = models.CharField(max_length=10)
class ProxyBase(PolymorphicModel):
title = models.CharField(max_length=200)
def __unicode__(self):
return u"<ProxyBase[type={0}]: {1}>".format(self.polymorphic_ctype, self.title)
class Meta:
ordering = ('title',)
class ProxyA(ProxyBase):
class Meta:
proxy = True
def __unicode__(self):
return u"<ProxyA: {0}>".format(self.title)
class ProxyB(ProxyBase):
class Meta:
proxy = True
def __unicode__(self):
return u"<ProxyB: {0}>".format(self.title)
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