[Python-Dev] Tag trackbacks with version (was Re: readd u'' literal support in 3.3?)

[PJ Eby]

On Fri, Dec 9, 2011 at 11:11 PM, Terry Reedy <tjreedy at udel.edu> wrote:

> This just gave me the idea of tagging tracebacks with the Python version
> number. Something like
>
> Traceback (Py3.2.2, most recent call last):
>
> and perhaps with the platform also
>
> Traceback (most recent call last) [Py3.2.2 on win23]:
>
> Since computation has stopped, the few extra milliseconds is trivial. This
> would certainly help on Python list and the tracker when people do post the
> traceback (which they do not always) without version and system (which they
> often do not, especially on Python list). It might suggest to people that
> this is important info to include. I wonder if this would also help with
> tracebacks sent to library/app developers.
>

Yes, but doctest will need to take this into account, both for its native
traceback matcher, and for traceback matches using ellipses.  Otherwise you
introduce more Python version hell for doctest users.
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