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#!/usr/bin/env python3
import os
import sys
import gi
gi.require_version("Gio", "2.0")
from gi.repository import Gio, GLib
DISPLAY_BUS = "org.gnome.Mutter.DisplayConfig"
DISPLAY_PATH = "/org/gnome/Mutter/DisplayConfig"
IDLE_BUS = "org.gnome.Mutter.IdleMonitor"
IDLE_PATH = "/org/gnome/Mutter/IdleMonitor/Core"
POLL_MS = 2000
WAKE_MS = 1500
def name_has_owner(bus, name):
try:
res = bus.call_sync(
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus",
"NameHasOwner",
GLib.Variant("(s)", (name,)),
None,
Gio.DBusCallFlags.NONE,
2000,
None,
)
return bool(res.unpack()[0])
except GLib.Error:
return False
def main():
if "GNOME" not in os.environ.get("XDG_CURRENT_DESKTOP", ""):
return 0
try:
bus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
except GLib.Error:
return 0
if name_has_owner(bus, "org.gnome.Shell.ScreenShield"):
return 0
settings = Gio.Settings.new("org.gnome.desktop.session")
state = {"off": False}
def set_power(mode):
bus.call_sync(
DISPLAY_BUS,
DISPLAY_PATH,
"org.freedesktop.DBus.Properties",
"Set",
GLib.Variant(
"(ssv)",
(DISPLAY_BUS, "PowerSaveMode", GLib.Variant("i", mode)),
),
None,
Gio.DBusCallFlags.NONE,
2000,
None,
)
def get_idle_ms():
res = bus.call_sync(
IDLE_BUS,
IDLE_PATH,
IDLE_BUS,
"GetIdletime",
None,
None,
Gio.DBusCallFlags.NONE,
2000,
None,
)
return int(res.unpack()[0])
def tick():
try:
delay = settings.get_uint("idle-delay")
idle = get_idle_ms()
if delay > 0 and idle >= delay * 1000 and not state["off"]:
set_power(3)
state["off"] = True
elif state["off"] and idle < WAKE_MS:
set_power(0)
state["off"] = False
except GLib.Error:
pass
return True
GLib.timeout_add(POLL_MS, tick)
GLib.MainLoop().run()
return 0
if __name__ == "__main__":
sys.exit(main())
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