Add ability to look up other rietveld instances

my_reviews.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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 rietveld stats.
 
 Example:
   - my_reviews.py -o me@chromium.org -Q  for stats for last quarter.
 """
 import datetime
 import optparse
 import os
 import sys
 
 import rietveld
 
 
-def print_reviews(owner, reviewer, created_after, created_before):
+def print_reviews(owner, reviewer, created_after, created_before, instance_url):
   """Prints issues with the filter.
 
   Set with_messages=True to search() call bellow if you want each message too.
   If you only want issue numbers, use keys_only=True in the search() call.
   You can then use remote.get_issue_properties(issue, True) to get the data per
   issue.
   """
-  instance_url = 'codereview.chromium.org'
   remote = rietveld.Rietveld(instance_url, None, None)
 
   # See def search() in rietveld.py to see all the filters you can use.
   for issue in remote.search(
       owner=owner,
       reviewer=reviewer,
       created_after=created_after,
       created_before=created_before,
       keys_only=False,
       with_messages=False,
@@ skipping 25 matching lines @@
       '%d-%02d-01' % (year, month))
 
 
 def main():
   parser = optparse.OptionParser(description=sys.modules[__name__].__doc__)
   parser.add_option('-o', '--owner')
   parser.add_option('-r', '--reviewer')
   parser.add_option('-c', '--created_after')
   parser.add_option('-C', '--created_before')
   parser.add_option('-Q', '--last_quarter', action='store_true')
+  parser.add_option('-i', '--instance_url', default='codereview.chromium.org')
   # Remove description formatting
   parser.format_description = lambda x: parser.description
   options, args = parser.parse_args()
   if args:
     parser.error('Args unsupported')
   if not options.owner and not options.reviewer:
     options.owner = os.environ['EMAIL_ADDRESS']
     if '@' not in options.owner:
       parser.error('Please specify at least -o or -r')
     print 'Defaulting to owner=%s' % options.owner
   if options.last_quarter:
     today = datetime.date.today()
     options.created_after, options.created_before = get_previous_quarter(today)
     print 'Using range %s to %s' % (
         options.created_after, options.created_before)
   print_reviews(
       options.owner, options.reviewer,
-      options.created_after, options.created_before)
+      options.created_after, options.created_before,
+      options.instance_url)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())