postinst is in uwsgi-plugin-python 2.0.14+20161117-3+deb9u2.
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 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | #!/bin/sh
# postinst script for uwsgi-plugin-python
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
case "$1" in
    configure)
      DEFAULTFLAVOR_DOTLESS=python27
      for flavor_dotless in python27; do
        if [ "x$flavor_dotless" = "x$DEFAULTFLAVOR_DOTLESS" ]; then
          ALTERNATIVE_PRIORITY=75
        else
          ALTERNATIVE_PRIORITY=35
        fi
        update-alternatives --quiet \
          --install \
            /usr/lib/uwsgi/plugins/python_plugin.so \
            uwsgi-plugin-python \
            /usr/lib/uwsgi/plugins/${flavor_dotless}_plugin.so \
            $ALTERNATIVE_PRIORITY \
          --slave \
            /usr/bin/uwsgi_python \
            uwsgi_python \
            /usr/bin/uwsgi-core \
          --slave \
            /usr/share/man/man1/uwsgi_python.1.gz \
            uwsgi_python.1.gz \
            /usr/share/man/man1/uwsgi_${flavor_dotless}.1.gz
        update-alternatives --quiet \
          --install \
            /usr/bin/uwsgi \
            uwsgi \
            /usr/bin/uwsgi_${flavor_dotless} \
            35 \
          --slave \
            /usr/share/man/man1/uwsgi.1.gz \
            uwsgi.1.gz \
            /usr/share/man/man1/uwsgi_${flavor_dotless}.1.gz
      done # for flavor_dotless ...
      BINARY_IS_UWSGI_ALTERNATIVE="$(\
        update-alternatives --list uwsgi 2>/dev/null \
        | grep -c '/uwsgi_python$' || true \
      )"
      if [ "$BINARY_IS_UWSGI_ALTERNATIVE" -eq 0 ]; then
        update-alternatives --quiet \
          --install \
            /usr/bin/uwsgi \
            uwsgi \
            /usr/bin/uwsgi_python \
            35 \
          --slave \
            /usr/share/man/man1/uwsgi.1.gz \
            uwsgi.1.gz \
            /usr/share/man/man1/uwsgi_python.1.gz
      fi
    ;;
    abort-upgrade|abort-remove|abort-deconfigure)
    ;;
    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
 |