django-polymorphic/pexp/models.py

38 lines
1.3 KiB
Python

from django.db import models
from polymorphic.models import PolymorphicModel, PolymorphicManager, PolymorphicQuerySet, ShowFields, ShowFieldsAndTypes
class Project(ShowFields, 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(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 SModelA(ShowFieldsAndTypes, PolymorphicModel):
field1 = models.CharField(max_length=10)
class SModelB(SModelA):
field2 = models.CharField(max_length=10)
class SModelC(SModelB):
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)