def OpenBlob(self, blob_key):
    return _local_open(self._FileForBlob(blob_key), 'rb')
Return the username for given user
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/blobstore/file_blob_storage.py/FileBlobStorage.OpenBlob--crossover with--dataset/ETHPy150Open omab/python-social-auth/social/storage/base.py/UserMixin.get_username