The ./manage.py is extended with following commands:
Prints current state of backend git repository.
You can either define which subproject to check (eg. weblate/master) or use --all to check all existing subprojects.
Reloads translations from disk (eg. in case you did some updates in Git repository).
Configures default groups and (if called with --move) assigns all users to default group.
See also
Setups list of languages (it has own list and all defined in translate-toolkit).
Fetches remote Git repositories and updates internal cache.
You can either define which subproject to update (eg. weblate/master) or use --all to update all existing subprojects.