I am not familiar with the details of pypi2nix, but try and use `python.withPackages` to create an environment where all packages can be found by the interpreter. PYTHONPATH is still used a lot, especially with modules, but we shouldn't be using it.
http://nixos.org/nixpkgs/manual/#python On Sat, Nov 5, 2016 at 9:50 PM, Daniel Hlynskyi <abcz2.upr...@gmail.com> wrote: > I'm trying to use pypi2nix-generated expression to create Kallithea > service. > > systemd.services.kalithea = { > after = [ "network.target" ]; > wantedBy = [ "multi-user.target" ]; > script = > let ppath = > concatMapStringsSep ":" (x: > "${x}/${python.interpreter.python.sitePackages}") > (let self = python.packages; in [ > # package > self."Kallithea" > # deps > self."Babel" > self."Beaker" > self."FormEncode" > self."Mako" > self."Markdown" > self."Pygments" > self."Pylons" > self."Routes" > self."SQLAlchemy" > self."URLObject" > self."WebHelpers" > self."WebOb" > self."WebTest" > self."Whoosh" > self."celery" > self."docutils" > self."dulwich" > self."mercurial" > self."mock" > self."py-bcrypt" > self."python-dateutil" > self."waitress" > # second level deps > self."MarkupSafe" > self."funcsigs" > self."pbr" > self."six" > # TODO: add all the others > ]); > in '' > export PYTHONPATH=${ppath} > ${pythonPackages.pasteScript}/bin/paster serve > ${kallithea1}/etc/development.ini; > ''; > }; > > So I need to feed PYTHONPATH into service, but I don't know a nice way to > recursively aggregate all the propagatedBuildInputs from Kallithea into > full PYTHONPATH > (and service wants all of them, as far as I understand) > > So, is there a way to do this? I'm pretty new to Python infrastructure and > perhaps miss some obvious thing. > > PS. Pinging my previous ask about PERL5LIB, which is an example of exact > this problem, but with Perl. > > https://www.mail-archive.com/nix-dev@lists.science.uu.nl/msg22577.html > > The solution I found breaks on Travis (I guess, it is of kind "import from > derivation", so it won't work generally) > > _______________________________________________ > nix-dev mailing list > nix-dev@lists.science.uu.nl > http://lists.science.uu.nl/mailman/listinfo/nix-dev > >
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