[TIP] Best practices for testing C extensions?

Florian Bruhin me at the-compiler.org
Mon Sep 9 01:55:13 PDT 2019

Hi Daniel,

On Mon, Sep 09, 2019 at 10:50:52AM +0200, Daniel Knüttel wrote:
> tox seems to be the way to go. I am not quite sure about all its
> behaviour, but I will use it from now on. Do you know if it forces new
> builds for every tox invocations? That was a big problem before, as
> setup.py does not watch C source files and does not re-build them. So I
> tested against outdated modules for a couple of hours. 

I think it basically creates a virtualenv and runs setup.py. So if your
setup.py somehow builds stale libraries (which sounds odd!), that'll likely
happen with tox as well.


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