/pexp/models.py

 1# -*- coding: utf-8 -*-
 2
 3from django.db import models
 4
 5from polymorphic import PolymorphicModel, PolymorphicManager, PolymorphicQuerySet
 6from polymorphic.showfields import ShowFieldContent, ShowFieldType, ShowFieldTypeAndContent
 7
 8class Project(ShowFieldContent, PolymorphicModel):
 9    topic = models.CharField(max_length=30)
10class ArtProject(Project):
11    artist = models.CharField(max_length=30)
12class ResearchProject(Project):
13    supervisor = models.CharField(max_length=30)
14
15class ModelA(ShowFieldTypeAndContent, PolymorphicModel):
16    field1 = models.CharField(max_length=10)
17class ModelB(ModelA):
18    field2 = models.CharField(max_length=10)
19class ModelC(ModelB):
20    field3 = models.CharField(max_length=10)
21
22class nModelA(models.Model):
23    field1 = models.CharField(max_length=10)
24class nModelB(nModelA):
25    field2 = models.CharField(max_length=10)
26class nModelC(nModelB):
27    field3 = models.CharField(max_length=10)
28
29# for Django 1.2+, test models with same names in different apps
30# (the other models with identical names are in polymorphic/tests.py)
31from django import VERSION as django_VERSION
32if not (django_VERSION[0]<=1 and django_VERSION[1]<=1):
33    class Model2A(PolymorphicModel):
34        field1 = models.CharField(max_length=10)
35    class Model2B(Model2A):
36        field2 = models.CharField(max_length=10)
37    class Model2C(Model2B):
38        field3 = models.CharField(max_length=10)
39
40try: from polymorphic.test_tools  import UUIDField
41except: pass
42if 'UUIDField' in globals():
43    class UUIDModelA(ShowFieldTypeAndContent, PolymorphicModel):
44        uuid_primary_key = UUIDField(primary_key = True)
45        field1 = models.CharField(max_length=10)
46    class UUIDModelB(UUIDModelA):
47        field2 = models.CharField(max_length=10)
48    class UUIDModelC(UUIDModelB):
49        field3 = models.CharField(max_length=10)