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-rw-r--r--pkgs/development/interpreters/python/mk-python-derivation.nix11
1 files changed, 11 insertions, 0 deletions
diff --git a/pkgs/development/interpreters/python/mk-python-derivation.nix b/pkgs/development/interpreters/python/mk-python-derivation.nix
index a0cac7d1ddd..1fd6745093b 100644
--- a/pkgs/development/interpreters/python/mk-python-derivation.nix
+++ b/pkgs/development/interpreters/python/mk-python-derivation.nix
@@ -40,6 +40,12 @@
 # Skip wrapping of python programs altogether
 , dontWrapPythonPrograms ? false
 
+# Remove bytecode from bin folder.
+# When a Python script has the extension `.py`, bytecode is generated
+# Typically, executables in bin have no extension, so no bytecode is generated.
+# However, some packages do provide executables with extensions, and thus bytecode is generated.
+, removeBinBytecode ? true
+
 , meta ? {}
 
 , passthru ? {}
@@ -77,6 +83,11 @@ python.stdenv.mkDerivation (builtins.removeAttrs attrs [
 
   postFixup = lib.optionalString (!dontWrapPythonPrograms) ''
     wrapPythonPrograms
+  '' + lib.optionalString removeBinBytecode ''
+    if [ -d "$out/bin" ]; then
+      rm -rf "$out/bin/__pycache__"                 # Python 3
+      find "$out/bin" -type f -name "*.pyc" -delete # Python 2
+    fi
   '' + lib.optionalString catchConflicts ''
     # Check if we have two packages with the same name in the closure and fail.
     # If this happens, something went wrong with the dependencies specs.