When the svn diff output (on Windows) is sent as a single POST and...

upload.py

 #!/usr/bin/env python
 #
 # Copyright 2007 Google Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
@@ skipping 1328 matching lines @@
   else:
     uploaded_diff_file = [("data", "data.diff", data)]
   ctype, body = EncodeMultipartFormData(form_fields, uploaded_diff_file)
   response_body = rpc_server.Send("/upload", body, content_type=ctype)
   if not options.download_base or not uploaded_diff_file:
     lines = response_body.splitlines()
     if len(lines) >= 2:
       msg = lines[0]
       patchset = lines[1].strip()
       patches = [x.split(" ", 1) for x in lines[2:]]
+      for patch_pair in patches:
+        # On Windows if a file has property changes its filename uses '\'
+        # instead of '/'.  Perhaps this change should be made (also) on the
+        # server when it is decoding the patch file sent by the client, but
+        # we do it here as well to be safe.
+        patch_pair[1] = patch_pair[1].replace('\\', '/')
     else:
       msg = response_body
   else:
     msg = response_body
   StatusUpdate(msg)
   if not response_body.startswith("Issue created.") and \
   not response_body.startswith("Issue updated."):
     sys.exit(0)
   issue = msg[msg.rfind("/")+1:]
 
@@ skipping 13 matching lines @@
   try:
     RealMain(sys.argv)
   except KeyboardInterrupt:
     print
     StatusUpdate("Interrupted.")
     sys.exit(1)
 
 
 if __name__ == "__main__":
   main()