[pypy-svn] r25665 - pypy/dist/pypy/objspace/std

[arigo at codespeak.net]

Author: arigo
Date: Mon Apr 10 16:50:30 2006
New Revision: 25665

Modified:
   pypy/dist/pypy/objspace/std/stdtypedef.py
Log:
Safety-check: registering several multimethods of the same name on
the same type is not a good idea.


Modified: pypy/dist/pypy/objspace/std/stdtypedef.py
==============================================================================
--- pypy/dist/pypy/objspace/std/stdtypedef.py	(original)
+++ pypy/dist/pypy/objspace/std/stdtypedef.py	Mon Apr 10 16:50:30 2006
@@ -93,8 +93,13 @@
 def hack_out_multimethods(ns):
     "NOT_RPYTHON: initialization-time only."
     result = []
+    seen = {}
     for value in ns.itervalues():
         if isinstance(value, StdObjSpaceMultiMethod):
+            if value.name in seen:
+                raise Exception("duplicate multimethod name %r" %
+                                (value.name,))
+            seen[value.name] = True
             result.append(value)
     return result