my_activity: Skip Rietveld cookie check if not found.

my_activity.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Get stats about your activity.
 
 Example:
   - my_activity.py  for stats for the current week (last week on mondays).
   - my_activity.py -Q  for stats for last quarter.
@@ skipping 259 matching lines @@
     self.check_cookies()
     self.google_code_auth_token = None
     self.webkit_repo = options.webkit_repo
     if self.webkit_repo:
       self.setup_webkit_info()
 
   # Check the codereview cookie jar to determine which Rietveld instances to
   # authenticate to.
   def check_cookies(self):
     cookie_file = os.path.expanduser('~/.codereview_upload_cookies')
-    cookie_jar = cookielib.MozillaCookieJar(cookie_file)
     if not os.path.exists(cookie_file):
-      exit(1)
-
-    try:
-      cookie_jar.load()
-      print 'Found cookie file: %s' % cookie_file
-    except (cookielib.LoadError, IOError):
-      exit(1)
+      print 'No Rietveld cookie file found.'
+      cookie_jar = []
+    else:
+      cookie_jar = cookielib.MozillaCookieJar(cookie_file)
+      try:
+        cookie_jar.load()
+        print 'Found cookie file: %s' % cookie_file
+      except (cookielib.LoadError, IOError):
+        print 'Error loading Rietveld cookie file: %s' % cookie_file
+        cookie_jar = []
 
     filtered_instances = []
 
     def has_cookie(instance):
       for cookie in cookie_jar:
         if cookie.name == 'SACSID' and cookie.domain == instance['url']:
           return True
       if self.options.auth:
         return get_yes_or_no('No cookie found for %s. Authorize for this '
                              'instance? (may require application-specific '
@@ skipping 795 matching lines @@
   print '\n\n\n'
 
   my_activity.print_changes()
   my_activity.print_reviews()
   my_activity.print_issues()
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())