code: def parse_args(self, ctx, args):
          
          if not args and self.no_args_is_help and not ctx.resilient_parsing:
              click.echo(ctx.get_help())
              ctx.exit()
          return super(ActionSubcommand, self).parse_args(ctx, args)
docs: Parse arguments sent to this command.
  
          The code for this method is taken from MultiCommand:
          https://github.com/mitsuhiko/click/blob/master/click/core.py
  
          It is Copyright (c) 2014 by Armin Ronacher.
          See the license:
          https://github.com/mitsuhiko/click/blob/master/LICENSE