Peter Bengtsson wrote at 2008-1-7 18:29 +0000: >My code works fine in normal running zope but not when run as a testcase >(I'm not using bin/zopectl test if that matters) I get the following error. >I feel guilty since I've got this line in my code: >transaction.get().commit() (Expense.py#4458) > >I remember having come across this error before but can't remember what >the solution was. > ... > File "/home/peterbe/zope/zope285/lib/python/ZODB/serialize.py", line >339, in _dump > self._p.dump(state) > File "copy_reg.py", line 69, in _reduce_ex > raise TypeError, "can't pickle %s objects" % base.__name__ >TypeError: can't pickle instancemethod objects > >----------------------------------------------------------------------
Apparently, you have an "instancemethod" in your test setup where you do not have one in the normal Zope. An alternative explanation could be that in your normal Zope additional pickle registrations are performed. If you would use, e.g., my "CompiledExecutable" product, then the import of this product would register "code" and "instancemethod" instances as picklable. A test setup may not import "CompiledExecutables" and its pickle registrations would be missing. A side note: Usually, it is a very bad idea to perform a full "commit" in a test. Such "commit"s are incompatible with techniques that share (for efficiency reasons) part of the test setup among several tests. "ZopeTestCase", e.g., makes use of such techniques. -- Dieter _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
