Merged revisions 76910 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r76910 | senthil.kumaran | 2009-12-20 12:40:31 +0530 (Sun, 20 Dec 2009) | 10 lines

  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.
  ........
................
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index b977099..b12da69 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -31,8 +31,8 @@
 
 objects of interest:
 
-OpenerDirector -- Sets up the User-Agent as the Python-urllib and manages the
-Handler classes while dealing with both requests and responses.
+OpenerDirector -- Sets up the User Agent as the Python-urllib client and manages
+the Handler classes, while dealing with requests and responses.
 
 Request -- An object that encapsulates the state of a request.  The
 state can be as simple as the URL.  It can also include extra HTTP
@@ -1059,7 +1059,14 @@
         headers = dict((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.selector, req.data, headers)