class UserSerializer(DynamicModelSerializer):
class Meta:
model = User
name = 'user'
name_field = 'name'
fields = (
'id',
'name',
'permissions',
'groups',
'location',
'last_name',
'display_name',
'thumbnail_url',
'number_of_cats',
'profile',
'date_of_birth',
'favorite_pet_id',
'favorite_pet',
'is_dead',
)
deferred_fields = (
'last_name',
'date_of_birth',
'display_name',
'profile',
'thumbnail_url',
'favorite_pet_id',
'favorite_pet',
'is_dead',
)
read_only_fields = ('profile', )
location = DynamicRelationField('LocationSerializer')
permissions = DynamicRelationField('PermissionSerializer',
many=True,
help_text='Permissions for this user',
deferred=True)
groups = DynamicRelationField('GroupSerializer', many=True, deferred=True)
display_name = DynamicField(source='profile.display_name', read_only=True)
thumbnail_url = DynamicField(source='profile.thumbnail_url',
read_only=True)
number_of_cats = DynamicMethodField(requires=['location.cat_set.*'],
deferred=True)
# Don't set read_only on this field directly. Used in test for
# Meta.read_only_fields.
profile = DynamicRelationField('ProfileSerializer', deferred=True)
favorite_pet = DynamicGenericRelationField(required=False)
def get_number_of_cats(self, user):
location = user.location
return len(location.cat_set.all()) if location else 0
def test_dgrf_with_requires_raises(self):
with self.assertRaises(Exception):
DynamicGenericRelationField(requires=['foo', 'bar'])