[Python-modules-team] Bug#841726: ipython3: importing something from ipython has side effects

[Dominik George]

Hi,

> > Besides speech-dispatcher, against which I also reported a bug, I do not
> > have any packages on my system that show such behaviour.
> 
> Oh, really?  But surely some of them adjust sys.path (probably the most
> common?) as well as importing shared libraries and running stuff like
> ``apt_pkg.init_config()``.
> 
> The side-effects might be more subtle but they are still, alas, side-
> effects.

Yep.  That's not good either, but it doesn't make unrelated software, let
alone the core interpreter, misbehave (i.e. take control from it).

I wouldn't open an RC bug against python-apt because it calls init_config(),
but I did against speech-dispatcher because it configures argparse and
consumes sys.args and I did against ipython bacause it takes control over
parts of the core interpreter.

-nik

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