common.py 文件源码

def is_ignorable_request(self, request, uri, domain, referer):
        """
        Return True if the given request *shouldn't* notify the site managers
        according to project settings or in three specific situations:
         - If the referer is empty.
         - If a '?' in referer is identified as a search engine source.
         - If the referer is equal to the current URL, ignoring the scheme
           (assumed to be a poorly implemented bot).
        """
        if not referer:
            return True

        if not self.is_internal_request(domain, referer) and '?' in referer:
            return True

        parsed_referer = urlparse(referer)
        if parsed_referer.netloc in ['', domain] and parsed_referer.path == uri:
            return True

        return any(pattern.search(uri) for pattern in settings.IGNORABLE_404_URLS)