def as_hidden(self, attrs=None, **kwargs):
        return self.as_widget(self.field.hidden_widget(), attrs, **kwargs)
A router can choose to implement a subset of methods
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/forms/forms.py/BoundField.as_hidden--crossover with--dataset/ETHPy150Open django/django/tests/multiple_database/tests.py/RouterTestCase.test_partial_router