File contents

--- ZODB/Connection.py	2007-01-14 17:04:10 +0300
+++ ZODB/Connection.py	2007-09-27 19:04:33 +0400
@@ -866,6 +866,20 @@
         obj must be an object loaded from this Connection.
         """
         assert obj._p_jar is self
+        #!!!
+        try:
+            from zope.exceptions.exceptionformatter import format_exception
+            trace = format_exception('', '', FrameToTraceback(sys._getframe(1)), with_filenames=True)[:-1]
+            trace.reverse()
+            self._log.info('transaction register %s.%s %s\n%s',
+                obj.__class__.__module__, obj.__class__.__name__,
+                oid_repr(obj._p_oid),
+                (trace[-1] + ''.join(trace[7:-1])).strip())
+            del trace
+            del format_exception
+        except:
+            self._log.warning('register: exception while trying to blame persistent assingment')
+        #!!!
         if obj._p_oid is None:
             # The actual complaint here is that an object without
             # an oid is being registered.  I can't think of any way to
@@ -1183,3 +1197,20 @@
         # a copy of the index here.  An alternative would be to ensure that
         # all callers pass copies.  As is, our callers do not make copies.
         self.index = index.copy()
+
+#!!!
+class FrameToTraceback(object):
+    def __init__(self, f):
+        self.tb_frame = f
+
+    @property
+    def tb_lineno(self):
+        return self.tb_frame.f_lineno
+
+    @property
+    def tb_next(self):
+        next = self.tb_frame.f_back
+        if next is None:
+            return None
+        return FrameToTraceback(next)
+#!!!