generate_desktop_files

#!/usr/bin/python3

DOMAIN = "lightdm-settings"
PATH = "/usr/share/locale"

import os, gettext
from mintcommon import additionalfiles

os.environ['LANGUAGE'] = "en_US.UTF-8"
gettext.install(DOMAIN, PATH)

prefix = """[Desktop Entry]
Encoding=UTF-8
"""

suffix = """Exec=pkexec lightdm-settings
Icon=lightdm-settings
StartupNotify=true
Terminal=false
Type=Application
Categories=GNOME;GTK;Settings;System;XFCE;X-XFCE-SettingsDialog;X-XFCE-SystemSettings;
X-KDE-SubstituteUID=true
"""

additionalfiles.generate(DOMAIN, PATH, "usr/share/applications/lightdm-settings.desktop", prefix, _("Login Window"), _("Configure the login window"), suffix)

prefix="""<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE policyconfig PUBLIC
"-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
"http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
<policyconfig>

  <vendor>Linux Mint</vendor>
  <vendor_url>https://linuxmint.com/</vendor_url>

  <action id="org.x.lightdm-settings">
"""

suffix="""
    <icon_name>preferences-system-login</icon_name>
    <defaults>
      <allow_any>auth_admin_keep</allow_any>
      <allow_inactive>auth_admin_keep</allow_inactive>
      <allow_active>auth_admin_keep</allow_active>
    </defaults>
    <annotate key="org.freedesktop.policykit.exec.path">/usr/bin/lightdm-settings</annotate>
    <annotate key="org.freedesktop.policykit.exec.allow_gui">true</annotate>
  </action>

</policyconfig>"""

additionalfiles.generate_polkit_policy(DOMAIN, PATH, "usr/share/polkit-1/actions/org.x.lightdm-settings.policy", prefix, _("Login Window"), suffix)