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python: fix venv creation #442540

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Merged
mweinelt merged 1 commit into from
Oct 19, 2025
Merged

python: fix venv creation #442540

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32 changes: 21 additions & 11 deletions pkgs/development/interpreters/python/wrapper.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
lib,
stdenv,
buildEnv,
runCommand,
makeBinaryWrapper,

# manually pased
Expand All @@ -22,7 +23,11 @@
let
env =
let
paths = requiredPythonModules (extraLibs ++ [ python ]);
paths = requiredPythonModules (extraLibs ++ [ python ]) ++ [
(runCommand "bin" { } ''
mkdir -p $out/bin
'')
];
pythonPath = "${placeholder "out"}/${python.sitePackages}";
pythonExecutable = "${placeholder "out"}/bin/${python.executable}";
in
Expand All @@ -36,21 +41,26 @@ let
nativeBuildInputs = [ makeBinaryWrapper ];

postBuild = ''
if [ -L "$out/bin" ]; then
unlink "$out/bin"
fi
mkdir -p "$out/bin"

for path in ${lib.concatStringsSep " " paths}; do
if [ -d "$path/bin" ]; then
cd "$path/bin"
for prg in *; do
if [ -f "$prg" ]; then
if [ -f "$prg" ] && [ -x "$prg" ]; then
rm -f "$out/bin/$prg"
if [ -x "$prg" ]; then
makeWrapper "$path/bin/$prg" "$out/bin/$prg" --set NIX_PYTHONPREFIX "$out" --set NIX_PYTHONEXECUTABLE ${pythonExecutable} --set NIX_PYTHONPATH ${pythonPath} ${
lib.optionalString (!permitUserSite) ''--set PYTHONNOUSERSITE "true"''
} ${lib.concatStringsSep " " makeWrapperArgs}
if [ "$prg" = "${python.executable}" ]; then
makeWrapper "${python.interpreter}" "$out/bin/$prg" \
--inherit-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
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