google.appengine.api.blobstore.create_gs_key_async

Asynchronously creates an encoded key for a Google Cloud Storage file.

Main aliases

`google.appengine.api.blobstore.blobstore.create_gs_key_async`

It is safe to persist this key for future use.

filename The file name of the Google Cloud Storage object for which you want to create the key.
rpc Optional UserRPC object.

A UserRPC whose result will be a string as returned by create_gs_key().

TypeError If filename is not a string.
ValueError If filename is not in the format /gs/bucket_name/object_name.