Groups > linux.debian.maint.python > #9205

Re: egg-info and Debian-specific submodule packages

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From	Piotr Ożarowski <piotr@debian.org>
Newsgroups	linux.debian.maint.python
Subject	Re: egg-info and Debian-specific submodule packages
Date	Mon, 30 Jan 2017 10:30:01 +0100
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[Luke W Faraone, 2017-01-30]
> In bug #744741[1], we have a report where a lack of ``egg-info`` metadata breaks
> both ``pip``'s installation detection and packages that use ``pkg_resources`` to
> discover dependencies.
> 
> Usually, the answer would be simple: ship the ``egg-info`` metadata as part of
> the package. But PySide is distributed upstream[2] and via PyPI[3] as one
> monolithic package. Debian splits that out into 14 packages, ``python-
> pyside.phonon``, ``python-pyside.qtcore``, ``python-pyside.qtdeclarative``, etc.
> 
> So, should we ship the egg-info files in a common package, as Barry
> suggested[4], and make each of the submodules depend on it? This has the

there's already python-pyside and python3-pyside that depend on all
other subpackages. Upstream expects pkg_resources.require('PySide') to
confirm that all of them are installed (as otherwise there would be
more egg-infos) so the answer is simple: ship it in python-pyside and
python3-pyside.

> unfortunate side-effect of breaking third-party packages that attempt to detect
> whether PySide is installed.
> 
> Alternatively, we could only distribute it as part of ``python-pyside`` (a
> metapackage), but this would require patching to some Debian-distributed
> packages such as ``yubikey-piv-manager``.

yubikey-piv-manager can either depend of python-pyside or remove PySide
from setup.py in order to keep (in Depends) python-pyside.qtgui and
python-pyside.qtnetwork only, yes

> A third option would be to ask upstream to split out the packages as we have
> done -- that would resolve the conflict in this instance, but not the general
> issue, and would probably take a lot of effort (or be rebuffed).

even more eggs? Please no.
-- 
Piotr Ożarowski                         Debian GNU/Linux Developer
www.ozarowski.pl          www.griffith.cc           www.debian.org
GPG Fingerprint: 1D2F A898 58DA AF62 1786 2DF7 AEF6 F1A2 A745 7645

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egg-info and Debian-specific submodule packages Luke W Faraone <lfaraone@debian.org> - 2017-01-30 05:00 +0100
  Re: egg-info and Debian-specific submodule packages Piotr Ożarowski <piotr@debian.org> - 2017-01-30 10:30 +0100

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