base.py 文件源码

def validate_link(self, link, bookmark=False):
        """Checks if the given link can get correct data."""
        # removes the scheme and net location parts of the link
        url_parts = list(urlparse.urlparse(link))
        url_parts[0] = url_parts[1] = ''

        # bookmark link should not have the version in the URL
        if bookmark and url_parts[2].startswith(PATH_PREFIX):
            return False

        full_path = urlparse.urlunparse(url_parts)
        try:
            self.get_json(full_path, path_prefix='')
            return True
        except Exception:
            return False