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2019 Jun 28
1
Re: [PATCH libnbd v3] python: Raise a custom exception containing error string and errno.
...but there may be a few issues still:
>
> - Still no error checking in raise_exception(). We're on an error
> path already here so it's hard to do anything useful, although
> perhaps we should not segfault.
Yeah, avoiding the segfault is still worthwhile - but our lack of
PyFOO_BAR() error checking is more pervasive than just in
raise_exception(), so a patch to audit all of our generated code will
pick that up along with the rest.
>
> - The .errno attribute returns a (Python module) errno value, not a
> number, so the number is effectively lost, should that reall...
2019 Jun 28
2
Re: [PATCH libnbd v3] python: Raise a custom exception containing error string and errno.
On 6/28/19 1:27 PM, Richard W.M. Jones wrote:
> Previously errors caused a RuntimeException to be raised. This commit
> defines a custom exception (nbd.Error) which has two parameters, the
> required error string, and the optional errno (which may be 0 if
> unavailable).
>
> For example:
>
> $ ./run nbdsh -c 'h.pread(0, 0)'
> Traceback (most recent call last):