Hello,
I searched and read the recent discussions on the distutils-sig
list and I hope someone can help me with the following problem.
Is there a way to recover the prefix value inside pkgfoo/setup.py,
when it is installed as
easy_install --prefix=value pkgfoo
(pkgfoo is a directory with setup.py)
I can get the prefix, when pkgfoo is installed with
python setup.py install --prefix=value
by overloading the bdist_egg class and passing it via
cmdclass argument to the setup function:
http://danse.us/trac/diffraction/browser/diffraction/diffpy.lib/trunk/setup.py
http://danse.us/trac/diffraction/browser/diffraction/diffpy.lib/trunk/setup_scons.py
However, this does not work under easy_install, because
easy_install already creates its own distribution object
before sourcing pkgfoo/setup.py, in addition setup.py
is executed in a sandbox with mangled sys.argv.
Has anybody, perhaps David Cournapeau, figured out how to wrestle
the prefix value out of easy_install?
Thank you all,
Pavol
PS: Let me give you some background for what I am trying to do.
I am working on several Python packages that need to be distributed
together with a shared C++ library (libdiffpy.so). So far I
have used scons to build and install the library and that has
been working really well. However, I would like to have a
dependency resolution for any client packages as available in the
setuptools. After wading through the "People want CPAN" thread
I realized that converting my scons scripts to distutils would be
a hopeless task. So my solution is to package the library sources
in a phony python package diffpy.lib, where its setup.py is extended
to execute scons that actually takes care of the library build
and installation. I have decided to ignore all setup.py options
and take care of the prefix under which the library should be
installed. However to do so, I need to recover the prefix value
and pass it to scons.
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