def _to_pb(self):
    raise NotImplementedError
Uploads media files and returns a list with information about each media:
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/datastore/datastore_query.py/Order._to_pb--crossover with--dataset/ETHPy150Open mozilla/kitsune/kitsune/upload/utils.py/upload_media