preinst is in python-libsvm 3.21+ds-1.1.
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 22 23 24 25 26 27 | #!/bin/sh
set -e
PYCENTRAL=/usr/bin/pycentral
if [ "$1" = upgrade ]
then
if dpkg --compare-versions "$2" lt 0.17.4-2 ; then
if [ -x $PYCENTRAL ]; then
pycentral pkgremove python-libsvm
fi
fi
for pyversion in 2.4 2.5 2.6; do
if [ -f /usr/lib/python$pyversion/site-packages/svmc.so ]; then
rm -f /usr/lib/python$pyversion/site-packages/svmc.so
fi
if [ -f /usr/share/pyshared/svm.py ]; then
rm -f /usr/share/pyshared/svm.py
fi
if [ -f /usr/lib/pyshared/python$pyversion/svmc.so ]; then
rm -f /usr/lib/pyshared/python$pyversion/svmc.so
fi
if [ -f /usr/lib/python$pyversion/site-packages/svm.py ]; then
rm -f /usr/lib/python$pyversion/site-packages/svm.py
fi
done
fi
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