nixpkgs/pkgs/development/python-modules/bootstrapped-pip/default.nix

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{ stdenv, python, fetchurl, makeWrapper, unzip }:
let
wheel_source = fetchurl {
url = "https://pypi.python.org/packages/py2.py3/w/wheel/wheel-0.29.0-py2.py3-none-any.whl";
sha256 = "ea8033fc9905804e652f75474d33410a07404c1a78dd3c949a66863bd1050ebd";
};
setuptools_source = fetchurl {
url = "https://pypi.python.org/packages/3.5/s/setuptools/setuptools-19.4-py2.py3-none-any.whl";
sha256 = "0801e6d862ca4ce24d918420d62f07ee2fe736dc016e3afa99d2103e7a02e9a6";
};
in stdenv.mkDerivation rec {
name = "python-${python.version}-bootstrapped-pip-${version}";
version = "8.0.2";
src = fetchurl {
url = "https://pypi.python.org/packages/py2.py3/p/pip/pip-${version}-py2.py3-none-any.whl";
sha256 = "249a6f3194be8c2e8cb4d4be3f6fd16a9f1e3336218caffa8e7419e3816f9988";
};
unpackPhase = ''
mkdir -p $out/${python.sitePackages}
unzip -d $out/${python.sitePackages} $src
unzip -d $out/${python.sitePackages} ${setuptools_source}
unzip -d $out/${python.sitePackages} ${wheel_source}
'';
patchPhase = ''
mkdir -p $out/bin
'';
buildInputs = [ python makeWrapper unzip ];
installPhase = ''
# install pip binary
echo '${python.interpreter} -m pip "$@"' > $out/bin/pip
chmod +x $out/bin/pip
# wrap binaries with PYTHONPATH
for f in $out/bin/*; do
wrapProgram $f --prefix PYTHONPATH ":" $out/${python.sitePackages}/
done
'';
}