Method connect_ftp

Lib/urllib/request.py:1585–1595

(self, user, passwd, host, port, dirs, timeout)

        self.max_conns = m

    def connect_ftp(self, user, passwd, host, port, dirs, timeout):
        key = user, host, port, '/'.join(dirs), timeout
        conn = self.cache.get(key)
        if conn is None or not conn.keepalive:
            if conn is not None:
                conn.close()
            conn = self.cache[key] = ftpwrapper(user, passwd, host, port,
                                                dirs, timeout)
        self.timeout[key] = time.time() + self.delay
        self.check_cache()
        return conn

    def check_cache(self):
        # first check for old ones