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Thu May 12 23:59:14 CEST 2005 · https://mail.python.org/pipermail/python-dev/2005-May/053669.html

On Thu, 12 May 2005, Guido van Rossum wrote:
> [Ka-Ping Yee]
> > Example 1: Exception Chaining.
> >
> > As has been previously discussed, the information from an exception can
> > be lost when the handling of the exception runs into a problem.  It is
> > often helpful to preserve the original reason for the problem.
> [example deleted]
>
> This problem is universal -- every except clause (in theory) can have
> this problem. I'd much rather deal with this in a systematic way in
> the Python VM's exception handling machinery.

That's reasonable.  Unless another use case comes up, i withdraw my
suggestion for a separate __except__ method.

I hope the examples were interesting, anyhow.

-- ?!ng

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[Python-Dev] "with" use case: exception chaining