Index: Transience.py
===================================================================
RCS file: /cvs-repository/Zope/lib/python/Products/Transience/Transience.py,v
retrieving revision 1.28.6.4
diff -r1.28.6.4 Transience.py
807c807,814
<                 v = self._data[b].get(k, notfound)
---
>                 try:
>                     v = self._data[b].get(k, notfound)
>                 except KeyError:
>                     LOG('Transience', WARNING,
>                         'KeyError raised in get, checking BTrees')
>                     check_btree(self._data, 'data')
>                     check_btree(index, 'index')
>                     raise
954a962,981
> 
> def check_btree(btree, name):
>     from BTrees.check import check, display
>     from cStringIO import StringIO
>     try:
>         check(btree)
>         LOG('Transience', WARNING,'BTree check for %s succeeded' % name)
>     except:
>         # BTree check failed
>         oldstdout = sys.stdout
>         tmp = StringIO()
>         try:
>             sys.stdout = tmp
>             display(btree)
>             tmp.seek(0)
>             LOG('Transience', WARNING, 'BTree check for %s failed' % name,
>                 tmp.read(), error=sys.exc_info())
>             tmp.close()
>         finally:
>             sys.stdout = oldstdout