[Checkins] SVN: z3c.ptcompat/trunk/ Remove stale templates from migration registry.

[Malthe Borch]

Log message for revision 111102:
  Remove stale templates from migration registry.

Changed:
  U   z3c.ptcompat/trunk/CHANGES.txt
  U   z3c.ptcompat/trunk/src/z3c/ptcompat/config.py

-=-
Modified: z3c.ptcompat/trunk/CHANGES.txt
===================================================================
--- z3c.ptcompat/trunk/CHANGES.txt	2010-04-19 15:07:13 UTC (rev 111101)
+++ z3c.ptcompat/trunk/CHANGES.txt	2010-04-19 15:13:05 UTC (rev 111102)
@@ -3,6 +3,10 @@
 
 In next release...
 
+- Remove broken templates from registry during engine migration. In
+  some testing situation, stale templates would be tracked in the
+  regitry.
+
 - Existing template instances are now migrated to the right engine
   when using the ``enable`` and ``disable`` methods. [malthe]
 

Modified: z3c.ptcompat/trunk/src/z3c/ptcompat/config.py
===================================================================
--- z3c.ptcompat/trunk/src/z3c/ptcompat/config.py	2010-04-19 15:07:13 UTC (rev 111101)
+++ z3c.ptcompat/trunk/src/z3c/ptcompat/config.py	2010-04-19 15:13:05 UTC (rev 111102)
@@ -37,4 +37,8 @@
     new_cls = getattr(z3c.ptcompat, cls.__name__)
     inst.__class__ = new_cls
     inst.__dict__.clear()
-    inst.__init__(*args, **kwargs)
+    try:
+        inst.__init__(*args, **kwargs)
+    except (OSError, ValueError):
+        # remove broken templates from registry
+        REGISTRY.pop(inst, None)