Refactored python code into library.
This commit is contained in:
Richard Neumann
parent
aae65e3825
commit
309bafd5d1
127
setsysmode
127
setsysmode
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@ -1,132 +1,7 @@
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#! /usr/bin/env python3
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"""Sets the system mode."""
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from argparse import ArgumentParser
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from subprocess import DEVNULL, CalledProcessError, check_call, run
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from sys import stderr
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DESCRIPTION = 'Sets or toggles the system mode.'
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LAPTOP_MODE_SERVICE = 'laptop-mode.service'
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TABLET_MODE_SERVICE = 'tablet-mode.service'
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def get_arguments():
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"""Returns the CLI arguments."""
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parser = ArgumentParser(description=DESCRIPTION)
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parser.add_argument(
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'-n', '--notify', action='store_true',
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help='display an on-screen notification')
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subparsers = parser.add_subparsers(dest='mode')
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subparsers.add_parser('toggle', help='toggles the system mode')
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subparsers.add_parser('laptop', help='switch to laptop mode')
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subparsers.add_parser('tablet', help='switch to tablet mode')
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subparsers.add_parser('default', help='do not disable any input devices')
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return parser.parse_args()
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def systemctl(action, unit, *, root=False):
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"""Runs systemctl."""
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command = ['/usr/bin/sudo'] if root else []
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command.append('systemctl')
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command.append(action)
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command.append(unit)
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try:
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check_call(command, stdout=DEVNULL) # Return 0 on success.
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except CalledProcessError:
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return False
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return True
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def notify_send(summary, body=None):
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"""Sends the respective message."""
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command = ['/usr/bin/notify-send', summary]
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if body is not None:
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command.append(body)
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return run(command, stdout=DEVNULL)
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def notify_laptop_mode():
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"""Notifies about laptop mode."""
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return notify_send('Laptop mode.', 'The system is now in laptop mode.')
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def notify_tablet_mode():
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"""Notifies about tablet mode."""
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return notify_send('Tablet mode.', 'The system is now in tablet mode.')
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def toggle_mode(notify):
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"""Toggles between laptop and tablet mode."""
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if systemctl('status', TABLET_MODE_SERVICE):
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systemctl('stop', TABLET_MODE_SERVICE, root=True)
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systemctl('start', LAPTOP_MODE_SERVICE, root=True)
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if notify:
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notify_tablet_mode()
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else:
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systemctl('stop', LAPTOP_MODE_SERVICE, root=True)
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systemctl('start', TABLET_MODE_SERVICE, root=True)
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if notify:
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notify_laptop_mode()
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def default_mode(notify):
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"""Restores all blocked input devices."""
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systemctl('stop', LAPTOP_MODE_SERVICE, root=True)
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systemctl('stop', TABLET_MODE_SERVICE, root=True)
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if notify:
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notify_send('Default mode.', 'The system is now in default mode.')
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def laptop_mode(notify):
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"""Starts the laptop mode."""
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systemctl('stop', TABLET_MODE_SERVICE, root=True)
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systemctl('start', LAPTOP_MODE_SERVICE, root=True)
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if notify:
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notify_laptop_mode()
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def tablet_mode(notify):
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"""Starts the tablet mode."""
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systemctl('stop', LAPTOP_MODE_SERVICE, root=True)
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systemctl('start', TABLET_MODE_SERVICE, root=True)
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if notify:
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notify_tablet_mode()
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def main():
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"""Runs the main program."""
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arguments = get_arguments()
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if arguments.mode == 'toggle':
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toggle_mode(arguments.notify)
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elif arguments.mode == 'default':
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default_mode(arguments.notify)
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elif arguments.mode == 'laptop':
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laptop_mode(arguments.notify)
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elif arguments.mode == 'tablet':
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tablet_mode(arguments.notify)
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else:
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print('Must specify a mode.', file=stderr, flush=True)
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from tabletmode.cli import main
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if __name__ == '__main__':
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20
setup.py
Executable file
20
setup.py
Executable file
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@ -0,0 +1,20 @@
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#! /usr/bin/env python
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from setuptools import setup
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setup(
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name='tabletmode',
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version_format='{tag}',
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setup_requires=['setuptools-git-version'],
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author='Richard Neumann',
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author_email='mail@richard-neumann.de',
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python_requires='>=3.8',
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packages=['tabletmode'],
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scripts=['setsysmode', 'sysmoded'],
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url='https://github.com/conqp/tablet-mode',
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license='GPLv3',
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description='Tablet mode switch for GNOME 3.',
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long_description=open('README.md').read(),
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long_description_content_type="text/markdown",
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keywords='tablet mode tent convertible switch'
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)
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78
sysmoded
78
sysmoded
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@ -1,83 +1,7 @@
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#! /usr/bin/env python3
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"""System mode daemon."""
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from argparse import ArgumentParser
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from json import load
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from logging import DEBUG, INFO, basicConfig, getLogger
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from pathlib import Path
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from subprocess import Popen
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CONFIG_FILE = Path('/etc/tablet-mode.json')
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DESCRIPTION = 'Setup system for laptop or tablet mode.'
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EVTEST = '/usr/bin/evtest'
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LOG_FORMAT = '[%(levelname)s] %(name)s: %(message)s'
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LOGGER = getLogger(__file__)
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def get_arguments():
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"""Parses the CLI arguments."""
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parser = ArgumentParser(description=DESCRIPTION)
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parser.add_argument(
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'-v', '--verbose', action='store_true',
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help='turn on verbose logging')
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subparsers = parser.add_subparsers(dest='mode')
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subparsers.add_parser('laptop', help='enable laptop mode')
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subparsers.add_parser('tablet', help='enable tablet mode')
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return parser.parse_args()
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def load_configuration():
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"""Returns the configuration."""
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try:
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with CONFIG_FILE.open('r') as cfg:
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return load(cfg)
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except FileNotFoundError:
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LOGGER.warning('Config file %s does not exist.', CONFIG_FILE)
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return {}
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def disable_device(device):
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"""Disables the respective device via evtest."""
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return Popen((EVTEST, '--grab', device))
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def disable_devices(devices):
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"""Disables the given devices."""
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subprocesses = []
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for device in devices:
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subprocess = disable_device(device)
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subprocesses.append(subprocess)
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for subprocess in subprocesses:
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subprocess.wait()
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def get_devices(mode):
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"""Reads the device from the config file."""
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configuration = load_configuration()
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devices = configuration.get(mode) or ()
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if not devices:
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LOGGER.info('No devices configured to disable.')
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return devices
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def main():
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"""Runs the main program."""
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arguments = get_arguments()
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level = DEBUG if arguments.verbose else INFO
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basicConfig(level=level, format=LOG_FORMAT)
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devices = get_devices(arguments.mode)
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disable_devices(devices)
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from tabletmode.daemon import main
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if __name__ == '__main__':
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1
tabletmode/__init__.py
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1
tabletmode/__init__.py
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"""Tablet mode library."""
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133
tabletmode/cli.py
Normal file
133
tabletmode/cli.py
Normal file
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"""Sets the system mode."""
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from argparse import ArgumentParser
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from subprocess import DEVNULL, CalledProcessError, check_call, run
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from sys import stderr
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from tabletmode.config import load_configuration
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DESCRIPTION = 'Sets or toggles the system mode.'
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LAPTOP_MODE_SERVICE = 'laptop-mode.service'
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TABLET_MODE_SERVICE = 'tablet-mode.service'
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def get_arguments():
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"""Returns the CLI arguments."""
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parser = ArgumentParser(description=DESCRIPTION)
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parser.add_argument(
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'-n', '--notify', action='store_true',
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help='display an on-screen notification')
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subparsers = parser.add_subparsers(dest='mode')
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subparsers.add_parser('toggle', help='toggles the system mode')
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subparsers.add_parser('laptop', help='switch to laptop mode')
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subparsers.add_parser('tablet', help='switch to tablet mode')
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subparsers.add_parser('default', help='do not disable any input devices')
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return parser.parse_args()
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def systemctl(action, unit, *, root=False):
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"""Runs systemctl."""
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command = ['/usr/bin/sudo'] if root else []
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command.append('systemctl')
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command.append(action)
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command.append(unit)
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try:
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check_call(command, stdout=DEVNULL) # Return 0 on success.
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except CalledProcessError:
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return False
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return True
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def notify_send(summary, body=None):
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"""Sends the respective message."""
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command = ['/usr/bin/notify-send', summary]
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if body is not None:
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command.append(body)
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return run(command, stdout=DEVNULL, check=False)
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def notify_laptop_mode():
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"""Notifies about laptop mode."""
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return notify_send('Laptop mode.', 'The system is now in laptop mode.')
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def notify_tablet_mode():
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"""Notifies about tablet mode."""
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return notify_send('Tablet mode.', 'The system is now in tablet mode.')
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def toggle_mode(notify=False):
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"""Toggles between laptop and tablet mode."""
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if systemctl('status', TABLET_MODE_SERVICE):
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systemctl('stop', TABLET_MODE_SERVICE, root=True)
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systemctl('start', LAPTOP_MODE_SERVICE, root=True)
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if notify:
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notify_tablet_mode()
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else:
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systemctl('stop', LAPTOP_MODE_SERVICE, root=True)
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systemctl('start', TABLET_MODE_SERVICE, root=True)
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if notify:
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notify_laptop_mode()
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def default_mode(notify=False):
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"""Restores all blocked input devices."""
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systemctl('stop', LAPTOP_MODE_SERVICE, root=True)
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systemctl('stop', TABLET_MODE_SERVICE, root=True)
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if notify:
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notify_send('Default mode.', 'The system is now in default mode.')
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def laptop_mode(notify=False):
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"""Starts the laptop mode."""
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systemctl('stop', TABLET_MODE_SERVICE, root=True)
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systemctl('start', LAPTOP_MODE_SERVICE, root=True)
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if notify:
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notify_laptop_mode()
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def tablet_mode(notify=False):
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"""Starts the tablet mode."""
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systemctl('stop', LAPTOP_MODE_SERVICE, root=True)
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systemctl('start', TABLET_MODE_SERVICE, root=True)
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if notify:
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notify_tablet_mode()
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def main():
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"""Runs the main program."""
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arguments = get_arguments()
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configuration = load_configuration()
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notify = configuration.get('notify', False) or arguments.notify
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if arguments.mode == 'toggle':
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toggle_mode(notify=notify)
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elif arguments.mode == 'default':
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default_mode(notify=notify)
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elif arguments.mode == 'laptop':
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laptop_mode(notify=notify)
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elif arguments.mode == 'tablet':
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tablet_mode(notify=notify)
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else:
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print('Must specify a mode.', file=stderr, flush=True)
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23
tabletmode/config.py
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23
tabletmode/config.py
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"""Configuration file parsing."""
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from json import load
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from logging import getLogger
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from pathlib import Path
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__all__ = ['load_configuration']
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CONFIG_FILE = Path('/etc/tablet-mode.json')
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LOGGER = getLogger('tabletmode')
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def load_configuration():
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"""Returns the configuration."""
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try:
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with CONFIG_FILE.open('r') as cfg:
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return load(cfg)
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except FileNotFoundError:
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LOGGER.warning('Config file %s does not exist.', CONFIG_FILE)
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return {}
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68
tabletmode/daemon.py
Normal file
68
tabletmode/daemon.py
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@ -0,0 +1,68 @@
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"""System mode daemon."""
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from argparse import ArgumentParser
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from logging import DEBUG, INFO, basicConfig, getLogger
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from subprocess import Popen
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from tabletmode.config import load_configuration
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DESCRIPTION = 'Setup system for laptop or tablet mode.'
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EVTEST = '/usr/bin/evtest'
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LOG_FORMAT = '[%(levelname)s] %(name)s: %(message)s'
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LOGGER = getLogger('sysmoded')
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def get_arguments():
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"""Parses the CLI arguments."""
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parser = ArgumentParser(description=DESCRIPTION)
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parser.add_argument(
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'-v', '--verbose', action='store_true',
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help='turn on verbose logging')
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subparsers = parser.add_subparsers(dest='mode')
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subparsers.add_parser('laptop', help='enable laptop mode')
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subparsers.add_parser('tablet', help='enable tablet mode')
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return parser.parse_args()
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def disable_device(device):
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"""Disables the respective device via evtest."""
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return Popen((EVTEST, '--grab', device))
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def disable_devices(devices):
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"""Disables the given devices."""
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subprocesses = []
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for device in devices:
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subprocess = disable_device(device)
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subprocesses.append(subprocess)
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for subprocess in subprocesses:
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subprocess.wait()
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def get_devices(mode):
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"""Reads the device from the config file."""
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configuration = load_configuration()
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devices = configuration.get(mode) or ()
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if not devices:
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LOGGER.info('No devices configured to disable.')
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return devices
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def main():
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"""Runs the main program."""
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arguments = get_arguments()
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level = DEBUG if arguments.verbose else INFO
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basicConfig(level=level, format=LOG_FORMAT)
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devices = get_devices(arguments.mode)
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disable_devices(devices)
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