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|
{
lib,
stdenv,
buildEnv,
runCommand,
makeBinaryWrapper,
# manually pased
python,
requiredPythonModules,
# extra opts
extraLibs ? [ ],
extraOutputsToInstall ? [ ],
postBuild ? "",
ignoreCollisions ? false,
permitUserSite ? false,
# Wrap executables with the given argument.
makeWrapperArgs ? [ ],
}:
# Create a python executable that knows about additional packages.
let
env =
let
paths = requiredPythonModules (extraLibs ++ [ python ]) ++ [
(runCommand "bin" { } ''
mkdir -p $out/bin
'')
];
pythonPath = "${placeholder "out"}/${python.sitePackages}";
pythonExecutable = "${placeholder "out"}/bin/${python.executable}";
in
buildEnv {
name = "${python.name}-env";
inherit paths;
inherit ignoreCollisions;
extraOutputsToInstall = [ "out" ] ++ extraOutputsToInstall;
nativeBuildInputs = [ makeBinaryWrapper ];
postBuild = ''
for path in ${lib.concatStringsSep " " paths}; do
if [ -d "$path/bin" ]; then
cd "$path/bin"
for prg in *; do
if [ -f "$prg" ] && [ -x "$prg" ]; then
rm -f "$out/bin/$prg"
if [ "$prg" = "${python.executable}" ]; then
makeWrapper "${python.interpreter}" "$out/bin/$prg" \
--inherit-argv0 \
--resolve-argv0 \
${lib.optionalString (!permitUserSite) ''--set PYTHONNOUSERSITE "true"''} \
${lib.concatStringsSep " " makeWrapperArgs}
elif [ "$(readlink "$prg")" = "${python.executable}" ]; then
ln -s "${python.executable}" "$out/bin/$prg"
else
makeWrapper "$path/bin/$prg" "$out/bin/$prg" \
--set NIX_PYTHONPREFIX "$out" \
--set NIX_PYTHONEXECUTABLE ${pythonExecutable} \
--set NIX_PYTHONPATH ${pythonPath} \
${lib.optionalString (!permitUserSite) ''--set PYTHONNOUSERSITE "true"''} \
${lib.concatStringsSep " " makeWrapperArgs}
fi
fi
done
fi
done
''
+ postBuild;
inherit (python) meta;
passthru = python.passthru // {
interpreter = "${env}/bin/${python.executable}";
inherit python;
env = stdenv.mkDerivation {
name = "interactive-${python.name}-environment";
nativeBuildInputs = [ env ];
buildCommand = ''
echo >&2 ""
echo >&2 "*** Python 'env' attributes are intended for interactive nix-shell sessions, not for building! ***"
echo >&2 ""
exit 1
'';
};
};
};
in
env
|
