filter.py 文件源码

def __init__(self, regexes):
        """
        Initializes a newly created Filter with the given list of
        :class:`re.RegexObject`.

        *regexes* is a list of :class:`re.RegexObject`s.

        Raises :class:`exceptions.ValueError` if the given list evaluates to
        False (empty list, None, ...)
        """
        if regexes:
            list.__init__(self, regexes)
        else:
            raise ValueError("Unable to initialize a Filter without at least "
                             "one valid pattern, please fix your config file")