paginator.py 文件源码

def _command_signature(cmd):
    # this is modified from discord.py source
    # which I wrote myself lmao

    result = [cmd.qualified_name]
    if cmd.usage:
        result.append(cmd.usage)
        return ' '.join(result)

    params = cmd.clean_params
    if not params:
        return ' '.join(result)

    for name, param in params.items():
        if param.default is not param.empty:
            # We don't want None or '' to trigger the [name=value] case and instead it should
            # do [name] since [name=None] or [name=] are not exactly useful for the user.
            should_print = param.default if isinstance(param.default, str) else param.default is not None
            if should_print:
                result.append(f'[{name}={param.default!r}]')
            else:
                result.append(f'[{name}]')
        elif param.kind == param.VAR_POSITIONAL:
            result.append(f'[{name}...]')
        else:
            result.append(f'<{name}>')

    return ' '.join(result)