_clientcookie.py 文件源码

def add_cookie_header(self, request):
        """Add correct Cookie: header to request (mechanize.Request object).

        The Cookie2 header is also added unless policy.hide_cookie2 is true.

        The request object (usually a mechanize.Request instance) must support
        the methods get_full_url, get_host, is_unverifiable, get_type,
        has_header, get_header, header_items and add_unredirected_header, as
        documented by urllib2.
        """
        debug("add_cookie_header")
        cookies = self.cookies_for_request(request)

        attrs = self._cookie_attrs(cookies)
        if attrs:
            if not request.has_header("Cookie"):
                request.add_unredirected_header("Cookie", "; ".join(attrs))

        # if necessary, advertise that we know RFC 2965
        if self._policy.rfc2965 and not self._policy.hide_cookie2:
            for cookie in cookies:
                if cookie.version != 1 and not request.has_header("Cookie2"):
                    request.add_unredirected_header("Cookie2", '$Version="1"')
                    break

        self.clear_expired_cookies()