nixpkgs/pkgs/development/interpreters/python/hooks/venv-shell-hook.sh
Jon 15b3d9d277
python3Packages.venvShellHook: add postVenvCreation (#87850)
* python3Packages.venvShellHook: add postVenvCreation

* python: docs: add postVenvCreation explaination
2020-05-16 09:34:11 +02:00

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venvShellHook() {
echo "Executing venvHook"
runHook preShellHook
if [ -d "${venvDir}" ]; then
echo "Skipping venv creation, '${venvDir}' already exists"
source "${venvDir}/bin/activate"
else
echo "Creating new venv environment in path: '${venvDir}'"
@pythonInterpreter@ -m venv "${venvDir}"
source "${venvDir}/bin/activate"
runHook postVenvCreation
fi
runHook postShellHook
echo "Finished executing venvShellHook"
}
if [ -z "${dontUseVenvShellHook:-}" ] && [ -z "${shellHook-}" ]; then
echo "Using venvShellHook"
if [ -z "${venvDir-}" ]; then
echo "Error: \`venvDir\` should be set when using \`venvShellHook\`."
exit 1
else
shellHook=venvShellHook
fi
fi