Method func

beets/ui/commands/help.py:15–23

(self, lib, opts, args)

        )

    def func(self, lib, opts, args):
        if args:
            cmdname = args[0]
            helpcommand = self.root_parser._subcommand_for_name(cmdname)
            if not helpcommand:
                raise UserError(f"unknown command '{cmdname}'")
            helpcommand.print_help()
        else:
            self.root_parser.print_help()