Removed uses of dict.has_key() from distutils, and uses of

callable() from copy_reg.py, so the interpreter now starts up
without warnings when '-3' is given.  More work like this needs to
be done in the rest of the stdlib.

Lib/distutils/command/build_ext.py

@@ -362,7 +362,7 @@ def check_extensions_list (self, extensions):
 
             # Medium-easy stuff: same syntax/semantics, different names.
             ext.runtime_library_dirs = build_info.get('rpath')
-            if build_info.has_key('def_file'):
+            if 'def_file' in build_info:
                 log.warn("'def_file' element of build info dict "
                          "no longer supported")