Re: .so files in main package for python packages

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On 9/10/06, Mihai Ibanescu <misa@xxxxxxxxxx> wrote:
On Sun, Sep 10, 2006 at 02:41:34AM -0700, Christopher Stone wrote:
> Upstream says there is a packaging error in one of my packages,
> pypoker-eval-devel.
>
> Upstream claims that the .so file should not be in the devel package
> but should be in the main package.

Would you mind providing a bit more context about the package, maybe a source
rpm?

This is a package that is in Fedora Extras and the source is located
in the Fedora Extras CVS under the pypoker-eval module.


> I told upstream about our .so rule saying .so files should be in
> -devel, but he said this is not the case for python packages, and
> promptly demonstrated that the libxml2-python package is similar and
> that this package puts the .so files in the main pacakge on Fedora as
> well.
>
> So is libxml2-python package in error, or is upstream correct and
> there are exceptions to the .so rule for python packages?
>
> Upstream informs me that my package will break unless I put the .so
> file in the main package.

Which .so file are you talking about?
python will dlopen modules that are .so. In the case of libxml2-python, I see
a libxml2mod.so. Well, that's a library that is directly imported by python,
it is _not_ a library used by other binaries that would link against it.
Here's the example:

>>> import libxml2mod
>>> libxml2mod
<module 'libxml2mod' from '/usr/lib64/python2.4/site-packages/libxml2mod.so'>

If that's the case with your .so file, then yes, upstream is right, it makes
absolutely no sense to put the .so file in the -devel package, because it
provides functionality required by that python module. In general, python
modules don't have to have a -devel package (there may be exceptions to this
rule but I can't think of one off the top of my head).

I believe this is the case for me:
import _pokereval_2_4
_pokereval_2_4
<module '_pokereval_2_4' from
'/usr/lib64/python2.4/site-packages/_pokereval_2_4.so'>

Then after "yum remove pypoker-eval-devel":
import _pokereval_2_4
Traceback (most recent call last):
 File "<stdin>", line 1, in ?
ImportError: No module named _pokereval_2_4

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