def build_completion(opt_parser):
commands = []
for group in opt_parser.option_groups:
for option in group.option_list:
long_option = option.get_opt_string().strip('-')
def build_completion(opt_parser):
commands = []
for group in opt_parser.option_groups:
for option in group.option_list:
long_option = option.get_opt_string().strip('-')