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231 lines
8.0 KiB
Python
Executable File
231 lines
8.0 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import enum
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import subprocess
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import sys
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from gi.repository import GLib, Gio
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NAME = 'org.gnome.Mutter.DisplayConfig'
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INTERFACE = 'org.gnome.Mutter.DisplayConfig'
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OBJECT_PATH = '/org/gnome/Mutter/DisplayConfig'
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TRANSFORM_STRINGS = {
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0: 'normal',
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1: '90',
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2: '180',
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3: '270',
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4: 'flipped',
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5: 'flipped-90',
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6: 'flipped-180',
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7: 'flipped-270',
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}
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class Source(enum.Enum):
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DBUS = 1
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COMMAND_LINE = 2
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FILE = 3
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class MonitorConfig:
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CONFIG_VARIANT_TYPE = GLib.VariantType.new(
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'(ua((ssss)a(siiddada{sv})a{sv})a(iiduba(ssss)a{sv})a{sv})')
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def get_current_state(self) -> GLib.Variant:
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raise NotImplementedError()
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def parse_data(self):
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"""TODO: add data parser so that can be used for reconfiguring"""
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def print_data(self, *, level, is_last, lines, data):
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if is_last:
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link = '└'
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else:
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link = '├'
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padding = ' '
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if level >= 0:
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indent = level
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buffer = f'{link:{padding}>{indent * 4}}──{data}'
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buffer = list(buffer)
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for line in lines:
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if line == level:
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continue
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index = line * 4
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if line > 0:
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index -= 1
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buffer[index] = '│'
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buffer = ''.join(buffer)
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else:
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buffer = data
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print(buffer)
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if is_last and level in lines:
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lines.remove(level)
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elif not is_last and level not in lines:
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lines.append(level)
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def print_properties(self, *, level, lines, properties):
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property_list = list(properties)
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self.print_data(level=level, is_last=True, lines=lines,
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data=f'Properties: ({len(property_list)})')
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for property in property_list:
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is_last = property == property_list[-1]
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self.print_data(level=level + 1, is_last=is_last, lines=lines,
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data=f'{property} ⇒ {properties[property]}')
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def print_current_state(self, short):
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variant = self.get_current_state()
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print('Serial: {}'.format(variant[0]))
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print()
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print('Monitors:')
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monitors = variant[1]
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lines = []
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for monitor in monitors:
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is_last = monitor == monitors[-1]
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spec = monitor[0]
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modes = monitor[1]
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properties = monitor[2]
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self.print_data(level=0, is_last=is_last, lines=lines,
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data='Monitor {}'.format(spec[0]))
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'EDID: vendor: {spec[1]}, product: {spec[2]}, serial: {spec[3]}')
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mode_count = len(modes)
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if short:
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modes = [mode for mode in modes if len(mode[6]) > 0]
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'Modes ({len(modes)}, {mode_count - len(modes)} omitted)')
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else:
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'Modes ({len(modes)})')
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for mode in modes:
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is_last = mode == modes[-1]
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self.print_data(level=2, is_last=is_last, lines=lines,
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data=f'{mode[0]}')
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self.print_data(level=3, is_last=False, lines=lines,
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data=f'Dimension: {mode[1]}x{mode[2]}')
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self.print_data(level=3, is_last=False, lines=lines,
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data=f'Refresh rate: {mode[3]:.3f}')
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self.print_data(level=3, is_last=False, lines=lines,
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data=f'Preferred scale: {mode[4]}')
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self.print_data(level=3, is_last=False, lines=lines,
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data=f'Supported scales: {mode[5]}')
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mode_properties = mode[6]
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self.print_properties(level=3, lines=lines,
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properties=mode_properties)
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self.print_properties(level=1, lines=lines, properties=properties)
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print()
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print('Logical monitors:')
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logical_monitors = variant[2]
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index = 1
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for logical_monitor in logical_monitors:
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is_last = logical_monitor == logical_monitors[-1]
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properties = logical_monitor[2]
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self.print_data(level=0, is_last=is_last, lines=lines,
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data=f'Logical monitor #{index}')
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'Position: ({logical_monitor[0]}, {logical_monitor[1]})')
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'Scale: {logical_monitor[2]}')
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'Transform: {TRANSFORM_STRINGS.get(logical_monitor[3])}')
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'Primary: {logical_monitor[4]}')
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monitors = logical_monitor[5]
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self.print_data(level=1, is_last=False, lines=lines,
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data=f'Monitors: ({len(monitors)})')
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for monitor in monitors:
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is_last = monitor == monitors[-1]
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self.print_data(level=2, is_last=is_last, lines=lines,
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data=f'{monitor[0]} ({monitor[1]}, {monitor[2]}, {monitor[3]})')
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properties = logical_monitor[6]
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self.print_properties(level=1, lines=lines, properties=properties)
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index += 1
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properties = variant[3]
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print()
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self.print_properties(level=-1, lines=lines, properties=properties)
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class MonitorConfigDBus(MonitorConfig):
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def __init__(self):
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self._proxy = Gio.DBusProxy.new_for_bus_sync(
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bus_type=Gio.BusType.SESSION,
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flags=Gio.DBusProxyFlags.NONE,
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info=None,
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name=NAME,
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object_path=OBJECT_PATH,
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interface_name=INTERFACE,
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cancellable=None,
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)
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def get_current_state(self) -> GLib.Variant:
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variant = self._proxy.call_sync(
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method_name='GetCurrentState',
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parameters=None,
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flags=Gio.DBusCallFlags.NO_AUTO_START,
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timeout_msec=-1,
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cancellable=None
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)
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assert variant.get_type().equal(self.CONFIG_VARIANT_TYPE)
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return variant
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class MonitorConfigCommandLine(MonitorConfig):
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def get_current_state(self) -> GLib.Variant:
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command = ('gdbus call -e '
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f'-d {NAME} '
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f'-o {OBJECT_PATH} '
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f'-m {INTERFACE}.GetCurrentState')
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result = subprocess.run(command, shell=True,
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check=True, capture_output=True, text=True)
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return GLib.variant_parse(self.CONFIG_VARIANT_TYPE, result.stdout)
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class MonitorConfigFile(MonitorConfig):
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def __init__(self, file_path):
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if file_path == '-':
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self._data = sys.stdin.read()
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else:
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with open(file_path) as file:
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self._data = file.read()
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def get_current_state(self) -> GLib.Variant:
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return GLib.variant_parse(self.CONFIG_VARIANT_TYPE, self._data)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Get display state')
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parser.add_argument('--file', metavar='FILE', type=str, nargs='?',
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help='Read the output from gdbus call instead of calling D-Bus')
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parser.add_argument('--gdbus', action='store_true')
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parser.add_argument('--short', action='store_true')
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args = parser.parse_args()
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if args.file and args.gdbus:
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raise argparse.ArgumentTypeError('Incompatible arguments')
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if args.file:
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monitor_config = MonitorConfigFile(args.file)
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elif args.gdbus:
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monitor_config = MonitorConfigCommandLine()
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else:
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monitor_config = MonitorConfigDBus()
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monitor_config.print_current_state(short=args.short)
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