aria.py 文件源码

def resolve_command(self, ctx, args):
        """
        Override clicks ``resolve_command`` method and appends *Did you mean ...* suggestions to the
        raised exception message.
        """
        try:
            return super(AliasedGroup, self).resolve_command(ctx, args)
        except click.exceptions.UsageError as error:
            error_msg = str(error)
            original_cmd_name = click.utils.make_str(args[0])
            matches = difflib.get_close_matches(
                original_cmd_name,
                self.list_commands(ctx),
                self.max_suggestions,
                self.cutoff)
            if matches:
                error_msg += '{0}{0}Did you mean one of these?{0}    {1}'.format(
                    os.linesep,
                    '{0}    '.format(os.linesep).join(matches, ))
            raise click.exceptions.UsageError(error_msg, error.ctx)