Bug #902075: urllib2 now handles "host:port" proxy specifications

Can/should this be backported?

Lib/urllib2.py

@@ -579,10 +579,15 @@ class ProxyHandler(BaseHandler):
     def proxy_open(self, req, proxy, type):
         orig_type = req.get_type()
         type, r_type = splittype(proxy)
-        host, XXX = splithost(r_type)
-        if '@' in host:
-            user_pass, host = host.split('@', 1)
-            if ':' in user_pass:
+        if not type or r_type.isdigit():
+            # proxy is specified without protocol
+            type = orig_type
+            host = proxy
+        else:
+            host, r_host = splithost(r_type)
+        user_pass, host = splituser(host)
+        user, password = splitpasswd(user_pass)
+        if user and password:
             user, password = user_pass.split(':', 1)
             user_pass = base64.encodestring('%s:%s' % (unquote(user),
                                             unquote(password))).strip()

Misc/NEWS

@@ -337,7 +337,9 @@ Extension Modules
 Library
 -------
 
-- Bug #1407902: Added support for sftp:// URIs to urlparse.
+- Bug #902075: urllib2 now supports 'host:port' style proxy specifications.
+
+- Bug #1407902: Add support for sftp:// URIs to urlparse.
 
 - Bug #1371247: Update Windows locale identifiers in locale.py.