[Fedora-packaging] Python3 __pycache__ directory ownership clarification

[Michel Alexandre Salim]

Hi all,

Per https://fedoraproject.org/wiki/Packaging:Python#Files_to_include the
__pycache__ directory needs shipped in python3-* packages. The default
Python template generated by rpmdev-newspec includes %{python3_sitelib}/*
which would include __pycache__, no problem. (same applies for
python3_sitearch)

However, if the package installs *.py files under %{python3_sitearch}
directly (not under a module), the __pycache__ directory ends up being
owned by both that package and python3-libs.

e.g. on my current system:
$ rpm -qf /usr/lib/python3.4/site-packages/__pycache__
python3-six-1.9.0-1.fc22.noarch
python3-setuptools-17.1.1-3.fc22.noarch
python3-libs-3.4.2-6.fc22.x86_64

Per
https://fedoraproject.org/wiki/Packaging:Guidelines#The_directory_is_also_owned_by_a_package_implementing_required_functionality_of_your_package

Fixing this would involve, taking python3-six for example:
before:
%{python3_sitelib}/*

after:
%{python3_sitelib}/*.*
%{python3_sitelib}/__pycache__/*

Putting this in a template might cause problems though, as if the Python
package ships modules, each of the module would have to be listed
separately.

Should we err on the side of simplicity (and end up with potentially
multiple owners of site{lib,arch}/__pycache__ ? I am reviewing two packages
where this takes place:

python-line_profiler
https://bugzilla.redhat.com/show_bug.cgi?id=1241919

python-scandir
https://bugzilla.redhat.com/show_bug.cgi?id=1245845

Thanks,

-- 
Michel Alexandre Salim
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