> This looks like an issue that potentially deserves more community
> feedback, so I'm ripping it out and starting a new thread: should
> exception objects be treated as mutable as exceptions get caught and
> re-raised?
(A new thread in python-dev hardly counts as "community feedback".)
I'd say definitely. Code like this looks reasonable to me:
def some_function(arg):
try:
call_some_other_function(arg)
except SomeExpectedExceptionClass, obj:
obj.add_context(arg)
raise
Then some outer piece of code catches exceptions and produces a
traceback augmented by information added by various calls to
add_context().
--Guido van Rossum (home page: http://www.python.org/~guido/)
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