prerm is in python-designateclient 2.9.0-0ubuntu1.
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  | #!/bin/sh
set -e
if [ "$1" = "remove" ] ; then
	update-alternatives --remove designate /usr/bin/python2-designate
fi
# Automatically added by dh_python2:
if which pyclean >/dev/null 2>&1; then
	pyclean -p python-designateclient 
else
	dpkg -L python-designateclient | grep '\.py$' | while read file
	do
		rm -f "${file}"[co] >/dev/null
  	done
fi
# End automatically added section
exit 0
 |