Merged revisions 76908 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r76908 | senthil.kumaran | 2009-12-20 11:35:13 +0530 (Sun, 20 Dec 2009) | 4 lines

  Fix for issue 7291 - urllib2 cannot handle https with proxy requiring auth
  Refactored HTTPHandler tests and added testcase for proxy authorization.
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diff --git a/Lib/urllib2.py b/Lib/urllib2.py
index 03bd5f8..a976533 100644
--- a/Lib/urllib2.py
+++ b/Lib/urllib2.py
@@ -1120,7 +1120,14 @@
             (name.title(), val) for name, val in headers.items())
 
         if req._tunnel_host:
-            h._set_tunnel(req._tunnel_host)
+            tunnel_headers = {}
+            proxy_auth_hdr = "Proxy-Authorization"
+            if proxy_auth_hdr in headers:
+                tunnel_headers[proxy_auth_hdr] = headers[proxy_auth_hdr]
+                # Proxy-Authorization should not be sent to origin
+                # server.
+                del headers[proxy_auth_hdr]
+            h._set_tunnel(req._tunnel_host, headers=tunnel_headers)
 
         try:
             h.request(req.get_method(), req.get_selector(), req.data, headers)