[Python-Dev] [Python 2.4] PyInt_FromLong returning NULL

[Michael Hudson]

Andreas Jung <lists at andreas-jung.com> writes:

> While using Zope 2.7 with Python 2.4 we discovered some strange
> behaviour of the security machinery.
> I could track this down to some Zope code in cAccessControl.c where an
> Unauthorized exception is
> raised because of a call to PyInt_FromLong(1) which returns NULL. What
> could be the reason that
> such a "stupid" call return NULL in a reproducable way?

A memory scribble somewhere else?  Possibly a DECREF too many somewhere?

Is an exception set?  Have you tried a debug build?  Etc.

Cheers,
mwh

-- 
  All obscurity will buy you is time enough to contract venereal
  diseases.                                  -- Tim Peters, python-dev