Merged revisions 82286 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r82286 | ronald.oussoren | 2010-06-27 16:26:30 +0200 (Sun, 27 Jun 2010) | 11 lines

  Merged revisions 82284 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r82284 | ronald.oussoren | 2010-06-27 15:59:39 +0200 (Sun, 27 Jun 2010) | 4 lines

    Fix for Issue8883: without this patch test_urllib will fail
    when there is a bare IP address in the "Bypass proxy settings
    for these Hosts & Domains" list on MacOSX.
  ........
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Lib/urllib/request.py

@@ -2208,8 +2208,13 @@ if sys.platform == 'darwin':
                         continue
 
                 base = ip2num(m.group(1))
-                mask = int(m.group(2)[1:])
-                mask = 32 - mask
+                mask = m.group(2)
+                if mask is None:
+                    mask = 8 * (m.group(1).count('.') + 1)
+
+                else:
+                    mask = int(mask[1:])
+                    mask = 32 - mask
 
                 if (hostIP >> mask) == (base >> mask):
                     return True