preinst is in python-numpy 1:1.13.3-2ubuntu1.
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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #!/bin/sh
# TODO: remove this file after releasing Squeeze
set -e
PYCENTRAL=/usr/bin/pycentral
if [ "$1" = upgrade ]
then
if dpkg --compare-versions "$2" lt 1:1.4.1-1 ; then
if [ -x $PYCENTRAL ]; then
# explicitly remove old python-central files
pycentral pkgremove python-numpy
fi
# be really sure also removing left-over files and dirs
for pyversion in 2.4 2.5; do
if [ -d /usr/lib/python$pyversion/site-packages/multiprocessing/ ]; then
rm -fr /usr/lib/python$pyversion/site-packages/numpy*
fi
done
fi
fi
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