Hi, playing around with guix environment, I stepped over some weirdness The weirdest of is (e.g.):
guix environment --ad-hoc python-requests will give you . . . . nothing. Since python-requests does not have python as input, the package is installed somewhere out of reach. This is even true when using a python virtualenv prior to entering the guix environment (see below for details). I assume, this is the same for perl and other languages. So I propose to add python, perl, ... as an import for the "library" packages of this language. This would be in the same line as .rpm and .deb packages work. Now the weirdness analysis: $ cat echo_paths.sh echo PATH=$PATH echo PYTHONPATH=$PYTHONPATH type python Now let's set up "--ad-hoc python-requests" (but no python): $ guix environment --pure --ad-hoc python-requests -- ./echo_paths.sh PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:. PYTHONPATH= python is /usr/bin/python Wow, the system python is used, but where is python-requests? Maybe not installed, since it already is in the system installation. Let's try a virtual environment: $ pyvenv /tmp/foo $ source /tmp/foo/bin/activate (foo)$ type python python ist /tmp/foo/bin/python (foo)$ guix environment --pure --ad-hoc python-requests -- ./echo_paths.sh PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:. PYTHONPATH= python is /usr/bin/python Huh? What? The virtual env was ignored (or dropped). Why this? Looks like --pure resets the environment to something is thinks is correct, even if if ist not adding anything to the environments. Let's try without --pure: (foo)$ guix environment --ad-hoc python-requests -- ./echo_paths.sh PATH=/tmp/foo/bin:/usr/local/bin:/usr/bin:/usr/local/games:/usr/games:/usr/lib64/qt4/bin:/usr/lib64/qt5/bin:/home/hartmut/bin:/home/hartmut/.local/bin PYTHONPATH=/home/hartmut/lib/python python is /tmp/foo/bin/python Okay, this time I get the python within the virtual env. But still: where is python-requests? (foo)$ guix environment --ad-hoc python-requests -- ls /tmp/foo/lib/python3.4/site-packages/ easy_install.py pip pkg_resources.py setuptools _markerlib pip-6.1.1.dist-info __pycache__ setuptools-3.6.dist-info It is not installed in the virtual environment either. Where is it? -- Regards Hartmut Goebel | Hartmut Goebel | h.goe...@crazy-compilers.com | | www.crazy-compilers.com | compilers which you thought are impossible |
