nixpkgs/pkgs/development/tools/pypi2nix/default.nix
2016-07-07 02:11:23 +02:00

74 lines
1.9 KiB
Nix

{ stdenv, fetchurl, python, zip, makeWrapper
}:
let
deps = import ./deps.nix { inherit fetchurl; };
version = "1.2.0";
src = fetchurl {
url = "https://github.com/garbas/pypi2nix/archive/v${version}.tar.gz";
sha256 = "13ffr2iabl5lyqqdcrs8z37lfqw1n102bkxwfx0540hj6brvkm2v";
};
in stdenv.mkDerivation rec {
name = "pypi2nix-${version}";
srcs = with deps; [ src pip click setuptools zcbuildout zcrecipeegg ];
buildInputs = [ python zip makeWrapper ];
sourceRoot = ".";
postUnpack = ''
mkdir -p $out/pkgs
mv pip-*/pip $out/pkgs/pip
mv click-*/click $out/pkgs/click
mv setuptools-*/setuptools $out/pkgs/setuptools
mv zc.buildout-*/src/zc $out/pkgs/zc
mv zc.recipe.egg-*/src/zc/recipe $out/pkgs/zc/recipe
if [ "$IN_NIX_SHELL" != "1" ]; then
if [ -e git-export ]; then
mv git-export/src/pypi2nix $out/pkgs/pypi2nix
else
mv pypi2nix*/src/pypi2nix $out/pkgs/pypi2nix
fi
fi
'';
commonPhase = ''
mkdir -p $out/bin
echo "#!${python}/bin/python3" > $out/bin/pypi2nix
echo "import pypi2nix.cli" >> $out/bin/pypi2nix
echo "pypi2nix.cli.main()" >> $out/bin/pypi2nix
chmod +x $out/bin/pypi2nix
export PYTHONPATH=$out/pkgs:$PYTHONPATH
'';
installPhase = commonPhase + ''
wrapProgram $out/bin/pypi2nix --prefix PYTHONPATH : "$PYTHONPATH"
'';
shellHook = ''
export home=`pwd`
export out=/tmp/`pwd | md5sum | cut -f 1 -d " "`-$name
rm -rf $out
mkdir -p $out
cd $out
runHook unpackPhase
runHook commonPhase
cd $home
export PATH=$out/bin:$PATH
export PYTHONPATH=`pwd`/src:$PYTHONPATH
'';
meta = {
homepage = https://github.com/garbas/pypi2nix;
description = "A tool that generates nix expressions for your python packages, so you don't have to.";
maintainers = with stdenv.lib.maintainers; [ garbas ];
};
}