core/pkgs/by-name/py/python/hooks/python-namespaces-hook.sh
2024-05-13 11:34:52 -04:00

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# Clean up __init__.py's found in namespace directories
echo "Sourcing python-namespaces-hook"
pythonNamespacesHook() {
echo "Executing pythonNamespacesHook"
for namespace in ${pythonNamespaces[@]}; do
echo "Enforcing PEP420 namespace: ${namespace}"
# split namespace into segments. "azure.mgmt" -> "azure mgmt"
IFS='.' read -ra pathSegments <<< $namespace
constructedPath=$out/@pythonSitePackages@
# Need to remove the __init__.py at each namespace level
# E.g `azure/__init__.py` and `azure/mgmt/__init__.py`
# The __pycache__ entry also needs to be removed
for pathSegment in ${pathSegments[@]}; do
constructedPath=${constructedPath}/${pathSegment}
pathToRemove=${constructedPath}/__init__.py
pycachePath=${constructedPath}/__pycache__/
# remove __init__.py
if [ -f "$pathToRemove" ]; then
rm -v "$pathToRemove"
fi
# remove ${pname}-${version}-${python-interpeter}-nspkg.pth
#
# Still need to check that parent directory exists in the
# event of a "meta-package" package, which will just install
# other packages, but not produce anything in site-packages
# besides meta information
if [ -d "${constructedPath}/../" -a -z ${dontRemovePth-} ]; then
# .pth files are located in the parent directory of a module
@findutils@/bin/find ${constructedPath}/../ -name '*-nspkg.pth' -exec rm -v "{}" +
fi
# remove __pycache__/ entry, can be interpreter specific. E.g. __init__.cpython-38.pyc
# use null characters to perserve potential whitespace in filepath
if [ -d "$pycachePath" ]; then
@findutils@/bin/find "$pycachePath" -name '__init__*' -exec rm -v "{}" +
fi
done
done
echo "Finished executing pythonNamespacesHook"
}
if [ -z "${dontUsePythonNamespacesHook-}" -a -n "${pythonNamespaces-}" ]; then
postFixupHooks+=(pythonNamespacesHook)
fi