def _set_item(self, key, value):
        self._dict[key] = value
Given a path, a ni package name, and possibly a known file name in
dataset/ETHPy150Open ntoll/p4p2p/p4p2p/dht/storage.py/DictDataStore._set_item--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site-packages/win32/scripts/regsetup.py/IsPackageDir