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Re: RFS: python-cartopy/0.14.2-2



On Thu, 19 Jan 2017 14:13:24 +0000
James Clarke <jrtc27@debian.org> wrote:

> On 19 Jan 2017, at 13:29, Jerome Kieffer <Jerome.Kieffer@esrf.fr> wrote:
> > 
> > On Thu, 19 Jan 2017 11:50:18 +0000
> > Ghislain Vaillant <ghisvail@gmail.com> wrote:
> > 
> > 
> >>>> Then there's the additional complication that x32 is a 32-bit version of
> >>>> amd64, so it shouldn't fail the test. Therefore, I would propose
> >>>> something like the following Debian-specific hack:
> >>>> 
> >>>> host_cpu = subprocess.check_output(['dpkg-architecture', '-qDEB_HOST_ARCH_CPU'])
> >>>> if host_cpu != 'i386':
> >>>>    # Do the assert
> > 
> > Have you tried platfrom.machine ? it return either "i386" or "i686"
> > 
> > It is cleaner but I don't know how it behaves with an "x32" kernel.
> 
> That doesn't help with i386 (or x32) chroots on an amd64 kernel.
> 
> root@debian:/# uname -a
> Linux debian 4.9.0-1-amd64 #1 SMP Debian 4.9.2-2 (2017-01-12) x86_64 GNU/Linux
> root@debian:/# dpkg-architecture -qDEB_HOST_ARCH_CPU
> i386
> root@debian:/# python3 -c "import platform; print(platform.machine())"
> x86_64

If one wants to know if you are running a python in 32 or 64 bits:

python -c "print(tuple.__itemsize__*8)"

This is independent on the operating system. 
Cheers,
-- 
Jérôme Kieffer


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