[tryton-debian] Bug#877849: Namespace conflict for python-magic

[Christoph Biedl]

Adam Hupp wrote...

> I've pushed an update here:
>
> https://github.com/ahupp/python-magic/tree/libmagic-compat
>
> It includes a copy of libmagic's bindings, wrapped in deprecation
> warnings.  So apps should work regardless of which they depend on.
> Could you take a look and see if this works for your case?

There are two glitches, you got mails in private about these.
Doing a first round of tests showed regressions so far.

Hence, here is a preliminary packaging of python-magic for Debian:

  https://www.in-ulm.de/~cbiedl/debian/python-magic/python-magic_0.4.15-1~exp1.dsc

Debianites, please give it a try.

About the deprecation warning: I figured out right now (at least for
Debian) it would mostly scare users. Once Christos acknowledges your
work (hopefully) and deprecates the [file] python-magic implementation,
it's about time to alert authors of programs that use python-magic but
no earlier.

Therefore I created a switch that mutes that warning unless a
PYTHONMAGIC_WARN_DEPRECATED environment variable is set, patch below.
Using this switch, users can already test whether a particular
application needs an adjustment for the [pypi] API.

At least in Debian, I expect this transition to take two years anyway.

Cheers,

    Christoph
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