@staticmethod<EOL><INDENT>def parse_epsv_response(s):<DEDENT>
matches = tuple(re.finditer(r"<STR_LIT>", s))<EOL>s = matches[-<NUM_LIT:1>].group()<EOL>port = int(s[<NUM_LIT:4>:-<NUM_LIT:2>])<EOL>return None, port<EOL>
Parsing `EPSV` (`message (|||port|)`) response.

:param s: response line
:type s: :py:class:`str`

:return: (ip, port)
:rtype: (:py:class:`None`, :py:class:`int`)