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{ stdenv, fetchFromGitHub, fetchurl, pythonPackages, zip, makeWrapper, nix, nix-prefetch-git
, nix-prefetch-hg
}:
let
version = "1.8.1";
src = fetchFromGitHub {
owner = "garbas";
repo = "pypi2nix";
rev = "v${version}";
sha256 = "039a2ys7ijzi2sa2haa6a8lbhncvd1wfsi6gcy9vm02gi31ghzyb";
};
click = fetchurl {
url = "https://pypi.python.org/packages/95/d9/c3336b6b5711c3ab9d1d3a80f1a3e2afeb9d8c02a7166462f6cc96570897/click-6.7.tar.gz";
sha256 = "02qkfpykbq35id8glfgwc38yc430427yd05z1wc5cnld8zgicmgi";
};
requests = fetchurl {
url = "https://pypi.python.org/packages/16/09/37b69de7c924d318e51ece1c4ceb679bf93be9d05973bb30c35babd596e2/requests-2.13.0.tar.gz";
sha256 = "1s0wg4any4dsv5l3hqjxqk2zgb7pdbqhy9rhc8kh3aigfq4ws8jp";
};
in stdenv.mkDerivation rec {
name = "pypi2nix-${version}";
srcs = [
src
click
requests
];
buildInputs = [
pythonPackages.python pythonPackages.flake8
zip makeWrapper nix.out nix-prefetch-git nix-prefetch-hg
];
sourceRoot = ".";
postUnpack = ''
mkdir -p $out/pkgs
mv click-*/click $out/pkgs/click
mv requests-*/requests $out/pkgs/
if [ -z "$IN_NIX_SHELL" ]; then
if [ -e git-export ]; then
mv git-export/src/pypi2nix $out/pkgs/pypi2nix
else
mv source/src/pypi2nix $out/pkgs/pypi2nix
fi
fi
'';
patchPhase = ''
sed -i -e "s|default='nix-shell',|default='${nix.out}/bin/nix-shell',|" $out/pkgs/pypi2nix/cli.py
sed -i -e "s|nix-prefetch-git|${nix-prefetch-git}/bin/nix-prefetch-git|" $out/pkgs/pypi2nix/stage2.py
sed -i -e "s|nix-prefetch-hg|${nix-prefetch-hg}/bin/nix-prefetch-hg|" $out/pkgs/pypi2nix/stage2.py
'';
commonPhase = ''
mkdir -p $out/bin
echo "#!${pythonPackages.python.interpreter}" > $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
'';
# flake8 doesn't run on python3
doCheck = false;
checkPhase = ''
flake8 ${src}/src
'';
installPhase = commonPhase + ''
wrapProgram $out/bin/pypi2nix \
--prefix PYTHONPATH : "$PYTHONPATH" \
--prefix PATH : "${nix-prefetch-git}/bin:${nix-prefetch-hg}/bin"
'';
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 ];
};
}
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