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