def run(self, text):
def parse(x): return '<span class="line">{1}</span>{2}'.\
format(*parse_url(x.group()))
def classify(x): return '{0} class="line"{1}'.format(*x.groups())
text = re_anchor.sub(classify, text)
return re_url.sub(parse, text)
def sub(line): return re_url.sub(parse, line) return list(map(sub, lines))