def get_reference_key(entity, prop_name):
    return getattr(entity.__class__, prop_name).get_value_for_datastore(entity)
Returns the created or registered task at the specified `index`
dataset/ETHPy150Open moraes/tipfy/tipfy/appengine/db/__init__.py/get_reference_key--crossover with--dataset/ETHPy150Open facebook/sparts/sparts/vtask.py/Tasks.__getitem__