[Python-ideas] Module aliases and/or "real names"

[Michael Foord]

On 5 January 2011 15:57, Nick Coghlan <ncoghlan at gmail.com> wrote:

> On Wed, Jan 5, 2011 at 11:42 PM, Michael Foord
> <fuzzyman at voidspace.org.uk> wrote:
> > So should I do this in unittest for Python 2.7 / 3.2?
> >
> > The problem this *would* solve is that pickled unittest objects from 2.7
> /
> > 3.2 can't be unpickled on earlier versions of Python.
> >
> > I don't know how *real* a problem it is or whether it is worth losing /
> > faking the __module__ information on these classes to solve it. Sure it's
> a
> > problem that is likely to bite *someone* at some point, but not very many
> > people. If someone is using __module__ information to find source code
> (or
> > anything else) for a class then changing __module__ will break that, so
> I'm
> > not convinced it's a worthwhile tradeoff.
>
> The two examples I looked at (functools and datetime) favoured hiding
> the implementation details at the cost of causing introspection
> problems. Despite my comments in the opening post of the thread, I
> think that is the better trade-off to make.
>

Both of those are because of underlying C implementations where
introspection problems would be the default anyway, which isn't quite the
same for situation for unittest.

Michael


>
> Cheers,
> Nick.
>
> --
> Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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