[Python-Dev] Handle errors in cleanup code (original) (raw)
Stefan Ring stefanrin at gmail.com
Mon Jun 12 09:29:00 EDT 2017
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Yury in the comment for PR 2108 [1] suggested more complicated code:
dosomething() try: dosomethingother() except BaseException as ex: try: undosomething() finally: raise ex
And this is still bad, because it loses the back trace. The way we do it is:
do_something()
try:
do_something_other()
except BaseException as ex:
tb = sys.exc_info()[2]
try:
undo_something()
finally:
raise ex, None, tb- Previous message (by thread): [Python-Dev] Handle errors in cleanup code
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