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✏️ Editing: libpython3.12-stdlib:amd64.prerm

#! /bin/sh

set -e

remove_bytecode()
{
    pkg=$1
    max=$(LANG=C LC_ALL=C xargs --show-limits < /dev/null 2>&1 | awk '/Maximum length/ {print int($NF / 4)}')
    dpkg -L $pkg \
	| awk -F/ 'BEGIN {OFS="/"} /\.py$/ {$NF=sprintf("__pycache__/%s.*.py[co]", substr($NF,1,length($NF)-3)); print}' \
	| xargs --max-chars="$max" echo \
	| while read files; do rm -f $files; done
    # source and bytecode filename mismatch
    rm -f /usr/lib/python3.12/__pycache__/__phello__.cpython-*.py*
    find /usr/lib/python3 /usr/lib/python3.12 \
	$ -name dist-packages -prune $ -o \
	$ -name __pycache__ -type d -empty -print $ \
	| xargs -r rm -rf
}

case "$1" in
    remove)
	pc=$(dpkg-query -f '${db:Status-Abbrev} ${binary:Package}\n' -W libpython3.12-stdlib \
	     | grep -v '^.n' | wc -l)
	if [ "$pc" -le 1 ]; then
	    remove_bytecode libpython3.12-stdlib:amd64
	fi
        ;;
    upgrade)
	remove_bytecode libpython3.12-stdlib:amd64
	# byte compilation in python3.12 postinst, strict dependency
        ;;
    deconfigure)
        ;;
    failed-upgrade)
        ;;
    *)
        echo "prerm called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

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