[Bug 362570] Re: Python distutils installs into 'site-packages' instead of 'dist-packages' when a prefix is set

Barry Warsaw 362570 at bugs.launchpad.net
Mon May 2 21:06:30 UTC 2016


On May 02, 2016, at 08:28 PM, tripzero wrote:

>This also needs to be fixed for python3...

What exactly needs fixing?  `sudo python3 setup.py install` will install into
/usr/local/.../dist-packages which is exactly where it should install, and is
definitely on the system Python's sys.path.

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https://bugs.launchpad.net/bugs/362570

Title:
  Python distutils installs into 'site-packages' instead of 'dist-
  packages' when a prefix is set

Status in python2.6 package in Ubuntu:
  Fix Released
Status in python3-defaults package in Ubuntu:
  New
Status in python2.6 package in Debian:
  Fix Released

Bug description:
  Binary package hint: python2.6

  When running a setup.py script with distutils in Jaunty like this:

  $ python setup.py install

  modules get installed at '/usr/local/lib/python2.6/dist-packages'.

  In contrast, when running

  $ python setup.py install --prefix=/usr/local

  modules get installed at '/usr/local/lib/python2.6/site-packages'.

  In the same way

  $ python setup.py install --prefix=/usr

  installs modules at '/usr/lib/python2.6/site-packages'.

  The problem is that '/usr/[local/]lib/python2.6/site-packages' is not
  part of the default sys.path .

  Maybe this is intended but I would expect that specifying an install
  prefix like 'usr' or 'usr/local' still installs modules to a place
  which is in Python's default search path - it worked this way in
  Ubuntu <= 8.10 .

  ProblemType: Bug
  Architecture: i386
  DistroRelease: Ubuntu 9.04
  Package: python2.6 2.6.2~rc1-0ubuntu2
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: python2.6
  Uname: Linux 2.6.28-11-generic i686

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