postinst is in python2.7-minimal 2.7.3-0ubuntu3.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
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set -e
if [ ! -f /etc/python2.7/sitecustomize.py ]; then
cat <<-EOF
# Empty sitecustomize.py to avoid a dangling symlink
EOF
fi
syssite=/usr/lib/python2.7/site-packages
localsite=/usr/local/lib/python2.7/dist-packages
syslink=../../${localsite#/usr/*}
case "$1" in
configure)
# Create empty directories in /usr/local
if [ ! -e /usr/local/lib/python2.7 ]; then
mkdir -p /usr/local/lib/python2.7 2> /dev/null || true
chmod 2775 /usr/local/lib/python2.7 2> /dev/null || true
chown root:staff /usr/local/lib/python2.7 2> /dev/null || true
fi
if [ ! -e $localsite ]; then
mkdir -p $localsite 2> /dev/null || true
chmod 2775 $localsite 2> /dev/null || true
chown root:staff $localsite 2> /dev/null || true
fi
#if [ ! -h $syssite ]; then
# ln -s $syslink $syssite
#fi
if which update-binfmts >/dev/null; then
update-binfmts --import python2.7
fi
;;
esac
if [ "$1" = configure ]; then
(
files=$(dpkg -L python2.7-minimal | sed -n '/^\/usr\/lib\/python2.7\/.*\.py$/p')
python2.7 /usr/lib/python2.7/py_compile.py $files
if grep -sq '^byte-compile[^#]*optimize' /etc/python/debian_config; then
python2.7 -O /usr/lib/python2.7/py_compile.py $files
fi
)
bc=no
if [ -z "$2" ] || dpkg --compare-versions "$2" lt 2.7-9 \
|| [ -f /var/lib/python/python2.7_installed ]; then
bc=yes
fi
if grep -sq '^unsupported-versions[^#]*python2.7' /usr/share/python/debian_defaults
then
# FIXME: byte compile anyway?
bc=no
fi
if [ "$bc" = yes ]; then
# new installation or installation of first version with hook support
if [ "$DEBIAN_FRONTEND" != noninteractive ]; then
echo "Linking and byte-compiling packages for runtime python2.7..."
fi
version=$(dpkg -s python2.7-minimal | awk '/^Version:/ {print $2}')
for hook in /usr/share/python/runtime.d/*.rtinstall; do
[ -x $hook ] || continue
$hook rtinstall python2.7 "$2" "$version"
done
if [ -f /var/lib/python/python2.7_installed ]; then
rm -f /var/lib/python/python2.7_installed
rmdir --ignore-fail-on-non-empty /var/lib/python 2>/dev/null
fi
fi
fi
exit 0
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