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Showing content from https://mail.python.org/pipermail/python-dev/2003-January/032494.html below:

[Python-Dev] Idea for avoiding exception masking

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> On Tue, 28 Jan 2003, Raymond Hettinger wrote:
> > Python code has a number of cases where a higher
> > level routine traps an exception and reraises it with
> > new information and losing the lower level error
> > detail in the process.
> 
> How about just holding on to the original exception and
> storing it as an attribute (e.g. "cause") on the new exception?
> 
> 
> -- ?!ng

I was just thinking in terms of the error message,
but your way is cleaner and more comprehensive.


Raymond Hettinger

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