[Fedora-packaging] private-shared-object-provides in python packages

[Toshio Kuratomi]

On Sun, Sep 26, 2010 at 07:33:40PM +0530, Parag N(पराग़) wrote:
> Hi,
>    Do .so files installed in %{python_sitearch} MUST be filtered? I
> see one reference at
> https://fedoraproject.org/wiki/Common_Rpmlint_issues#private-shared-object-provides
> but the filtering policy is not added to Python packaging guidelines.
>    Also, why rpmlint complains it as warning and not an error? e.g.
> one case I see is
> pyorbit.x86_64: W: private-shared-object-provides
> /usr/lib64/python2.6/site-packages/ORBit.so ORBit.so()(64bit)
> A shared object soname provides is provided by a file in a path from which
> other packages should not directly load shared objects from.  Such shared
> objects should thus not be depended on and they should not result in provides
> in the containing package.  Get rid of the provides if appropriate, for
> example by filtering it out during build.  Note that in some cases this may
> require disabling rpmbuild's internal dependency generator.
> 
Thanks for bringing this up!

I was looking at this for a package a few weeks ago and found that this
guideline was in the normal packaging guidelines:

https://fedoraproject.org/wiki/PackagingDrafts/AutoProvidesAndRequiresFiltering

but I did not remember approving it.  It was moved into the main packaging
Guidelines when spot made the changes that moved the backlog of approved
guidelines from the Todo list into the main guidelines.  I found where we
had discussed it the first time:
https://fedoraproject.org/wiki/Packaging:Minutes/20090602#t12:39

but after that meeting we (FPC) didn't meet for a while due to different
people being on vacation and thus not being able to make quorum.  Meeting
logs are not present during this time so I can't tell if I was on vacation
and it was approved or if it got moved into the main Guidelines by mistake.

This guideline would impact what we do for filtering private python provides
as it specifies:

"""
MUST: Packages must not provide RPM dependency information when that
information is not global in nature, [...]
MUST: When filtering automatically generated RPM dependency information, the
filtering system implemented by Fedora must be used [...]
"""


-Toshio
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