def __init__(self, api, cid, name):
        self.api = api
        self.cid = cid
        self.name = name
        self._deleted = False
Function that can be curried to provide the m2m table name for this relation
dataset/ETHPy150Open shichao-an/115wangpan/u115/api.py/BaseFile.__init__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/models/fields/related.py/ManyToManyField._get_m2m_db_table