Groups > linux.debian.maint.python > #8941

Derive package dependencies from Setuptools declarations

From	Ben Finney <bignose@debian.org>
Newsgroups	linux.debian.maint.python
Subject	Derive package dependencies from Setuptools declarations
Date	2016-10-15 07:40 +0200
Message-ID	<sspRn-3m5-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Howdy all,

How can I convince ‘dh-python’ to derive package dependencies from the
Setuptools ‘install_requires’ declaration?

The Pip requirements tend to be tightly restrictive, because Pip is not
a distribution system but rather a deployment system. So those
requirements tend not to be good candidates for Debian's versioned
dependencies.

The Setuptools ‘install_requires’ declaration is a better candidate for
this, since it is metadata for the *distribution* (not deployment); this
better matches Debian's purposes for package dependencies.

See <URL:https://caremad.io/posts/2013/07/setup-vs-requirement/> for a
discussion of these complementary and different purposes.

How can I convince ‘dh-python’ to derive Debian package dependencies
from the Setuptools ‘install_requires’ declaration? For example,
<URL:https://mentors.debian.net/debian/pool/main/m/mullvad-client/mullvad-client_60+dfsg.1-1.dsc>
declares dependencies that ‘dh_python2’ does not detect; the resulting
binary has none of the Python dependent packages declared.

-- 
 \     “Capitalism has destroyed our belief in any effective power but |
  `\      that of self interest backed by force.” —George Bernard Shaw |
_o__)                                                                  |
Ben Finney

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Derive package dependencies from Setuptools declarations Ben Finney <bignose@debian.org> - 2016-10-15 07:40 +0200
  Re: Derive package dependencies from Setuptools declarations Piotr Ożarowski <piotr@debian.org> - 2016-10-17 10:30 +0200
    Re: Derive package dependencies from Setuptools declarations Ben Finney <bignose@debian.org> - 2016-10-17 11:10 +0200
      Re: Derive package dependencies from Setuptools declarations Piotr Ożarowski <piotr@debian.org> - 2016-10-17 11:40 +0200
        Re: Derive package dependencies from Setuptools declarations Ben Finney <bignose@debian.org> - 2016-10-18 00:00 +0200

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