Python: disable user site-packages in setup hook

Wrappers already included `PYTHONNOUSERSITE=1`, but now this env var is also set in the Python setup hook. This improves purity in case of non-sandboxes builds and nix-shell.
NixOS · Dec 30, 2017 · 5920579 · 5920579
1 parent 2d0bead
commit 5920579
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkgs/development/interpreters/python/setup-hook.sh b/pkgs/development/interpreters/python/setup-hook.sh
@@ -19,3 +19,6 @@ envHooks+=(addPythonPath)
 export DETERMINISTIC_BUILD=1;
 # Determinism: We fix the hashes of str, bytes and datetime objects.
 export PYTHONHASHSEED=0;
+# Determinism. Whenever Python is included, it should not check user site-packages.
+# This option is only relevant when the sandbox is disabled.
+export PYTHONNOUSERSITE=1;