On Tue, Oct 18, 2011 at 12:23 PM, Prasad, Ramit
<[email protected]> wrote:
> Yes, but raising the CustomException replaces the last traceback and even
> with the saved exception, how would you get the original stacktrace? The only
> thing I can think is get the stacktrace and store it in the exception. That
> does not seem very Pythonic to me.
In Python 3 you could chain the exceptions with:
except Exception as e:
raise CustomException() from e
There is no such syntax in Python 2, but you could manually store and
retrieve the __cause__ and __traceback__ attributes similarly to the
way Python 3 does it. See PEP 3134 for full details.
HTH,
Ian
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