101 lines
3.1 KiB
Python
Executable file
101 lines
3.1 KiB
Python
Executable file
#!/usr/bin/env python3
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import argparse
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import dbus
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NAME = 'org.gnome.Mutter.DebugControl'
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INTERFACE = 'org.gnome.Mutter.DebugControl'
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OBJECT_PATH = '/org/gnome/Mutter/DebugControl'
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PROPS_IFACE = 'org.freedesktop.DBus.Properties'
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def bool_to_string(value):
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if value:
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return "true"
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else:
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return "false"
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def string_to_bool(value):
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if value == "true":
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return True
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if value == "false":
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return False
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raise BaseException(f"bad boolean value: {value}")
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def value_to_string(value):
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if isinstance(value, dbus.Boolean):
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return bool_to_string(value)
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return f"{value}"
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def string_to_value(current, value):
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if isinstance(current, dbus.Boolean):
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return dbus.Boolean(string_to_bool(value), variant_level=1)
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if isinstance(current, dbus.UInt32):
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return dbus.UInt32(int(value), variant_level=1)
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return value
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def get_debug_control():
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bus = dbus.SessionBus()
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try:
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debug_control = bus.get_object(NAME, OBJECT_PATH)
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except dbus.exceptions.DBusException:
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print("The DebugControl service is not available.")
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print("You may have to enable the `debug-control` flag in looking glass.")
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exit(-1)
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return debug_control
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def status():
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debug_control = get_debug_control()
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props = debug_control.GetAll(INTERFACE, dbus_interface=PROPS_IFACE)
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for prop, value in props.items():
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value = value_to_string (value)
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print(f"{prop}: {value}")
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def enable(prop):
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debug_control = get_debug_control()
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debug_control.Set(INTERFACE, prop, dbus.Boolean(True, variant_level=1),
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dbus_interface=PROPS_IFACE)
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def disable(prop):
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debug_control = get_debug_control()
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debug_control.Set(INTERFACE, prop, dbus.Boolean(False, variant_level=1),
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dbus_interface=PROPS_IFACE)
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def toggle(prop):
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debug_control = get_debug_control()
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value = debug_control.Get(INTERFACE, prop, dbus_interface=PROPS_IFACE)
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debug_control.Set(INTERFACE, prop, dbus.Boolean(not value, variant_level=1),
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dbus_interface=PROPS_IFACE)
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def set_value(kv):
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debug_control = get_debug_control()
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[prop, value] = kv
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current = debug_control.Get(INTERFACE, prop, dbus_interface=PROPS_IFACE)
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value = string_to_value (current, value)
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debug_control.Set(INTERFACE, prop, value, dbus_interface=PROPS_IFACE)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Get and set debug state')
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parser.add_argument('--status', action='store_true')
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parser.add_argument('--enable', metavar='PROPERTY', type=str, nargs='?')
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parser.add_argument('--disable', metavar='PROPERTY', type=str, nargs='?')
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parser.add_argument('--toggle', metavar='PROPERTY', type=str, nargs='?')
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parser.add_argument('--set', metavar='PROPERTY', type=str, nargs=2)
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args = parser.parse_args()
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if args.status:
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status()
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elif args.enable:
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enable(args.enable)
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elif args.disable:
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disable(args.disable)
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elif args.toggle:
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toggle(args.toggle)
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elif args.set:
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set_value(args.set)
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else:
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parser.print_usage()
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