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# coding: utf-8
from django.db import models
class School(models.Model):
name = models.CharField(max_length=100)
class Parent(models.Model):
name = models.CharField(max_length=100)
class Child(models.Model):
mother = models.ForeignKey(Parent, related_name='mothers_children')
father = models.ForeignKey(Parent, related_name='fathers_children')
school = models.ForeignKey(School)
name = models.CharField(max_length=100)
__test__ = {'API_TESTS': """
>>> from django.newforms.models import inlineformset_factory
Child has two ForeignKeys to Parent, so if we don't specify which one to use
for the inline formset, we should get an exception.
>>> ifs = inlineformset_factory(Parent, Child)
Traceback (most recent call last):
...
Exception: <class 'regressiontests.inline_formsets.models.Child'> has more than 1 ForeignKey to <class 'regressiontests.inline_formsets.models.Parent'>
These two should both work without a problem.
>>> ifs = inlineformset_factory(Parent, Child, fk_name='mother')
>>> ifs = inlineformset_factory(Parent, Child, fk_name='father')
If we specify fk_name, but it isn't a ForeignKey from the child model to the
parent model, we should get an exception.
>>> ifs = inlineformset_factory(Parent, Child, fk_name='school')
Traceback (most recent call last):
...
Exception: fk_name 'school' is not a ForeignKey to <class 'regressiontests.inline_formsets.models.Parent'>
If the field specified in fk_name is not a ForeignKey, we should get an
exception.
>>> ifs = inlineformset_factory(Parent, Child, fk_name='test')
Traceback (most recent call last):
...
Exception: <class 'regressiontests.inline_formsets.models.Child'> has no field named 'test'
"""
}
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