Save cookies on save_responses and pave the way for more good stuff

We apparently can't override the class in the Response, even if it is
changed in the Session. Still, it will be useful to have our own class.

weboob/tools/browser2/browser.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright(C) 2012 Laurent Bachelier
+# Copyright(C) 2012-2014 Laurent Bachelier
 #
 # This file is part of weboob.
 #
@@ -36,8 +36,7 @@ except ImportError:
 
 from weboob.tools.log import getLogger
 
-
-# TODO define __all__
+from .cookies import WeboobCookieJar
 
 
 class Profile(object):
@@ -137,7 +136,7 @@ class BaseBrowser(object):
         self.response = None
 
         self.responses_dirname = responses_dirname
-        self.responses_count = 0
+        self.responses_count = 1
 
     def _save(self, response, warning=False, **kwargs):
         if self.responses_dirname is None:
@@ -162,8 +161,12 @@ class BaseBrowser(object):
             (self.responses_count, response.status_code, '-' if path else '', path, ext)
 
         response_filepath = os.path.join(self.responses_dirname, filename)
+
         with open(response_filepath, 'w') as f:
             f.write(response.content)
+        if response.cookies and len(response.cookies):
+            WeboobCookieJar.from_cookiejar(response.cookies).export(response_filepath + '-cookies.txt')
+
         match_filepath = os.path.join(self.responses_dirname, 'url_response_match.txt')
         with open(match_filepath, 'a') as f:
             f.write('# %d %s %s\n' % (response.status_code, response.reason, response.headers.get('Content-Type', '')))
@@ -195,6 +198,9 @@ class BaseBrowser(object):
 
         self.session = session
 
+        cj = WeboobCookieJar()
+        session.cookies = cj
+
     def location(self, url, **kwargs):
         """
         Like open() but also changes the current URL and response.