def is_private(prefix, base):
    warnings.warn("is_private is deprecated; it wasn't useful; "
                  "examine DocTestFinder.find() lists instead",
                  DeprecationWarning, stacklevel=2)
    return base[:1] == "_" and not base[:2] == "__" == base[-2:]
Returns the value of this field in the given model instance.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/test/_doctest.py/is_private--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/db/models/fields/__init__.py/Field.value_from_object