Merged revisions 80880 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r80880 | giampaolo.rodola | 2010-05-06 21:56:34 +0200 (gio, 06 mag 2010) | 1 line

  provides a clearer warning message when cheap inheritance with the underlying socket object is used
........

Lib/asyncore.py

@@ -407,8 +407,9 @@ class dispatcher:
             raise AttributeError("%s instance has no attribute '%s'"
                                  %(self.__class__.__name__, attr))
         else:
-            warnings.warn("cheap inheritance is deprecated", DeprecationWarning,
-                          stacklevel=2)
+            msg = "%(me)s.%(attr)s is deprecated; use %(me)s.socket.%(attr)s " \
+                  "instead" % {'me' : self.__class__.__name__, 'attr' : attr}
+            warnings.warn(msg, DeprecationWarning, stacklevel=2)
             return retattr
 
     # log and log_info may be overridden to provide more sophisticated