feedparser.py 文件源码

def findTags(self):
        all = lambda x: 1
        for elm in self.document(all, {'rel': re.compile(r'\btag\b')}):
            href = elm.get('href')
            if not href:
                continue
            urlscheme, domain, path, params, query, fragment = \
                       urlparse.urlparse(_urljoin(self.baseuri, href))
            segments = path.split('/')
            tag = segments.pop()
            if not tag:
                if segments:
                    tag = segments.pop()
                else:
                    # there are no tags
                    continue
            tagscheme = urlparse.urlunparse((urlscheme, domain, '/'.join(segments), '', '', ''))
            if not tagscheme.endswith('/'):
                tagscheme += '/'
            self.tags.append(FeedParserDict({"term": tag, "scheme": tagscheme, "label": elm.string or ''}))