There seems to be a need for better diagnostics when pickle encounters something that can't be pickled.
Recently when attempting to pickle a rather large and complicated data structure, I got the following incomprehensible message: cPickle.PicklingError: args[0] from __newobj__ args has the wrong class Trying again with protocol 1 instead of 2, I get TypeError: can't pickle function objects which I'm *guessing* is because somewhere I've tried to pickle a nested function or a bound method. But it still doesn't give me any idea *which* function I tried to pickle or where abouts it turns up in the data structure. Anyone have any ideas how the situation could be improved? At the very least, it could include some info about the type and identity of the offending object. Greg _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com