def seeded_auth_token(client, service, seed):
hash_func = hashlib.md5()<EOL>token = '<STR_LIT:U+002C>'.join((client, service, seed)).encode('<STR_LIT:utf-8>')<EOL>hash_func.update(token)<EOL>return hash_func.hexdigest()<EOL>
Return an auth token based on the client+service+seed tuple.