code: def make_cookies(self, response, request):
          
          # get cookie-attributes for RFC 2965 and Netscape protocols
          headers = response.info()
          rfc2965_hdrs = headers.get_all("Set-Cookie2", [])
          ns_hdrs = headers.get_all("Set-Cookie", [])
  
          rfc2965 = self._policy.rfc2965
          netscape = self._policy.netscape
  
          if ((not rfc2965_hdrs and not ns_hdrs) or
              (not ns_hdrs and not rfc2965) or
              (not rfc2965_hdrs and not netscape) or
              (not netscape and not rfc2965)):
              return []  # no relevant cookie headers: quick exit
  
          try:
              cookies = self._cookies_from_attrs_set(
                  split_header_words(rfc2965_hdrs), request)
          except Exception:
              _warn_unhandled_exception()
              cookies = []
  
          if ns_hdrs and netscape:
              try:
                  # RFC 2109 and Netscape cookies
                  ns_cookies = self._cookies_from_attrs_set(
                      parse_ns_headers(ns_hdrs), request)
              except Exception:
                  _warn_unhandled_exception()
                  ns_cookies = []
              self._process_rfc2109_cookies(ns_cookies)
  
              # Look for Netscape cookies (from Set-Cookie headers) that match
              # corresponding RFC 2965 cookies (from Set-Cookie2 headers).
              # For each match, keep the RFC 2965 cookie and ignore the Netscape
              # cookie (RFC 2965 section 9.1).  Actually, RFC 2109 cookies are
              # bundled in with the Netscape cookies for this purpose, which is
              # reasonable behaviour.
              if rfc2965:
                  lookup = {}
                  for cookie in cookies:
                      lookup[(cookie.domain, cookie.path, cookie.name)] = None
  
                  def no_matching_rfc2965(ns_cookie, lookup=lookup):
                      key = ns_cookie.domain, ns_cookie.path, ns_cookie.name
                      return key not in lookup
                  ns_cookies = filter(no_matching_rfc2965, ns_cookies)
  
              if ns_cookies:
                  cookies.extend(ns_cookies)
  
          return cookies
docs: Return sequence of Cookie objects extracted from response object.