func_inspect.py 文件源码

def format_signature(func, *args, **kwargs):
    # XXX: Should this use inspect.formatargvalues/formatargspec?
    module, name = get_func_name(func)
    module = [m for m in module if m]
    if module:
        module.append(name)
        module_path = '.'.join(module)
    else:
        module_path = name
    arg_str = list()
    previous_length = 0
    for arg in args:
        formatted_arg = _format_arg(arg)
        if previous_length > 80:
            formatted_arg = '\n%s' % formatted_arg
        previous_length = len(formatted_arg)
        arg_str.append(formatted_arg)
    arg_str.extend(['%s=%s' % (v, _format_arg(i)) for v, i in kwargs.items()])
    arg_str = ', '.join(arg_str)

    signature = '%s(%s)' % (name, arg_str)
    return module_path, signature