[Distutils] Problems installing otrace - unexpanded "@libdir@" string

[Lennart Regebro]

On Sun, Feb 10, 2013 at 4:09 PM, Skip Montanaro <skip at pobox.com> wrote:
> At work we use encap to create packages to distribute to our desktops
> and server.  Creating a package involves installing it into an
> isolated directory, then creating an encap package from the
> directory's contents.  Packages which expect to use distutils are a
> bit problematic, but with some magic sauce on the command line, these
> have become tractable.  I'm having trouble installing otrace
> (http://pypi.python.org/pypi/otrace).  It appears to go well enough:
>
> % python setup.py install --single-version-externally-managed --root /
> --install-lib=/var/tmp/python27_otrace-0.30.9/lib/python2.7/site-packages
> --prefix=/var/tmp/python27_otrace-0.30.9
> running install
> running build
> running build_py
> running install_lib
> creating /var/tmp/python27_otrace-0.30.9
> creating /var/tmp/python27_otrace-0.30.9/lib
> creating /var/tmp/python27_otrace-0.30.9/lib/python2.7
> creating /var/tmp/python27_otrace-0.30.9/lib/python2.7/site-packages
> copying build/lib/otrace.py ->
> /var/tmp/python27_otrace-0.30.9/lib/python2.7/site-packages
> byte-compiling /var/tmp/python27_otrace-0.30.9/lib/python2.7/site-packages/otrace.py
> to otrace.pyc
> running install_egg_info
> running egg_info
> writing otrace.egg-info/PKG-INFO
> writing top-level names to otrace.egg-info/top_level.txt
> writing dependency_links to otrace.egg-info/dependency_links.txt
> writing entry points to otrace.egg-info/entry_points.txt
> reading manifest file 'otrace.egg-info/SOURCES.txt'
> reading manifest template 'MANIFEST.in'
> writing manifest file 'otrace.egg-info/SOURCES.txt'
> Copying otrace.egg-info to
> /var/tmp/python27_otrace-0.30.9/lib/python2.7/site-packages/otrace-0.30.9-py2.7.egg-info
> running install_scripts
> Installing otrace script to /var/tmp/python27_otrace-0.30.9/bin
>
> When I look at the generated otrace script I see something that
> doesn't look right though:
>
> % cat /var/tmp/python27_otrace-0.30.9/bin/otrace
> #!/opt/local/bin/python
> # EASY-INSTALL-ENTRY-SCRIPT: 'otrace==0.30.9','console_scripts','otrace'
> __requires__ = 'otrace==0.30.9'
> import sys
> sys.path.append('@libdir@')
> from pkg_resources import load_entry_point
>
> if __name__ == '__main__':
>     sys.exit(
>         load_entry_point('otrace==0.30.9', 'console_scripts', 'otrace')()
>     )
>
> What is "@libdir@", and why isn't it being expanded to something
> useful?  This script appears to be generated by Distutils.  It's not
> part of otrace proper.  Looking back at other installs (virtualenv,
> pylint, pip, and a few others), I see that otrace is not the first
> afflicted package.
>
> Unfortunately, all search attempts using Google have failed, as no
> matter what I've tried, it elides the @-signs from my queries.Needless
> to say, there are gazillions of instances of "libdir" related to
> distutils.  (Bing seems to behave better in this regard, but still
> yielded nothing useful.)
>
> Any suggestions appreciated.  Thx...

I can't reproduce this, nor can I find any reference to @libdir@
either in Python 2.7, Distribute or otrace (0.30.9)

//Lennart