':return: True if the body is a urllist.txt'

def _is_urllist_txt(self, base_url, body):

    is_urllist = 5
    for line in body.split('\n'):
        line = line.strip()
        if ((not line.startswith('#')) and line):
            try:
                base_url.url_join(line)
            except:
                is_urllist -= 1
    return bool(is_urllist)
