import os from django.db import models from django import forms class Triple(models.Model): left = models.IntegerField() middle = models.IntegerField() right = models.IntegerField() def __unicode__(self): return u"%d, %d, %d" % (self.left, self.middle, self.right) class Meta: unique_together = (('left', 'middle'), ('middle', 'right')) class FilePathModel(models.Model): path = models.FilePathField(path=os.path.dirname(__file__), match=".*\.py$", blank=True) __test__ = {'API_TESTS': """ When the same field is involved in multiple unique_together constraints, we need to make sure we don't remove the data for it before doing all the validation checking (not just failing after the first one). >>> _ = Triple.objects.create(left=1, middle=2, right=3) >>> class TripleForm(forms.ModelForm): ... class Meta: ... model = Triple >>> form = TripleForm({'left': '1', 'middle': '2', 'right': '3'}) >>> form.is_valid() False >>> form = TripleForm({'left': '1', 'middle': '3', 'right': '1'}) >>> form.is_valid() True # Regression test for #8842: FilePathField(blank=True) >>> class FPForm(forms.ModelForm): ... class Meta: ... model = FilePathModel >>> form = FPForm() >>> [c[1] for c in form['path'].field.choices] ['---------', '__init__.py', 'models.py'] """}