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Added to_python implementation for NullBoolean Fields. This was required for the XML serializer. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4717 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2007-03-13 00:35:47 +00:00
parent e4e74f7e1d
commit 400ee02661
1 changed files with 7 additions and 0 deletions
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7
django/db/models/fields/__init__.py
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@ -742,6 +742,13 @@ class NullBooleanField(Field):
kwargs['null'] = True
Field.__init__(self, *args, **kwargs)
def to_python(self, value):
if value in (None, True, False): return value
if value in ('None'): return None
if value in ('t', 'True', '1'): return True
if value in ('f', 'False', '0'): return False
raise validators.ValidationError, gettext("This value must be either None, True or False.")
def get_manipulator_field_objs(self):
return [oldforms.NullBooleanField]