Bug#945338: libpetsc3.11-dev-examples: postinst uses /usr/share/doc content (Policy 12.3): /usr/share/doc/libpetsc3.11-dev-examples/examples/**/*.py

[Christophe Trophime]

On Sat, 23 Nov 2019 04:18:43 +0100 Andreas Beckmann <anbe at debian.org> wrote:
> Package: libpetsc3.11-dev-examples
> Version: 3.11.4+dfsg1-3
> Severity: serious
> User: debian-qa at lists.debian.org
> Usertags: piuparts
>
> Hi,
>
> a test with piuparts revealed that your package uses files from
> /usr/share/doc in its maintainer scripts which is a violation of
> Policy 12.3: "Packages must not require the existence of any files in
> /usr/share/doc/ in order to function."
>
https://www.debian.org/doc/debian-policy/ch-docs.html#additional-documentation
>
> These files must be moved to /usr/share/$PACKAGE and may be symlinked
> from /usr/share/doc/$PACKAGE.
>
> This piuparts test prevents the installation of (most) files into
> /usr/share/doc with 'dpkg --path-exclude=...'.
>
> From the attached log (scroll to the bottom...):
>
>   Setting up python3 (3.7.5-1) ...
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/config/cmakegen.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/config/example_template.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/config/gmakegen.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/config/gmakegentest.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/config/report_tests.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/config/testparse.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/src/ksp/ksp/examples/tutorials/ex100.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/src/ksp/ksp/examples/tutorials/example100.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/src/ts/examples/tutorials/ex8.py'
>   [Errno 2] No such file or directory:
'/usr/share/doc/libpetsc3.11-dev-examples/examples/src/ts/examples/tutorials/extchem.py'
>   error running python rtupdate hook libpetsc3.11-dev-examples
>   dpkg: error processing package python3 (--configure):
>    installed python3 package post-installation script subprocess returned
error exit status 4
>   dpkg: dependency problems prevent configuration of
libpetsc3.11-dev-examples:
>    libpetsc3.11-dev-examples depends on python3:any; however:
>     Package python3 is not configured yet.
>
>   dpkg: error processing package libpetsc3.11-dev-examples (--configure):
>    dependency problems - leaving unconfigured
>   Processing triggers for libc-bin (2.29-3) ...
>   Errors were encountered while processing:
>    python3
>    libpetsc3.11-dev-examples
>

With this fix, there is no more issue with piuparts.
I have checked that the package pestc 3.11 can be installed on Ubuntu Eoan
without problem

Hope it helps
Best
C
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