def __read_stored_routine_metadata(self):
if os.path.isfile(self._pystratum_metadata_filename):<EOL><INDENT>with open(self._pystratum_metadata_filename, '<STR_LIT:r>') as file:<EOL><INDENT>self._pystratum_metadata = json.load(file)<EOL><DEDENT><DEDENT>
Reads the metadata of stored routines from the metadata file.