post_install() {
  cat << EOF
==>
==> To use py_pjsua (Python bindings for PJSUA),
==> install 'alsa-lib', 'e2fsprogs', and 'python'
==>
EOF
}

post_upgrade() {
  post_install
}

op=$1
shift
[ "$(type -t "$op")" = "function" ] && $op "$@"

# vim:set ts=2 sw=2 et:
