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106 lines
3.4 KiB
106 lines
3.4 KiB
#!/usr/bin/env python3
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import subprocess
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from typing import Dict, List, Optional, Union
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import click
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import pyudev # type: ignore
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class KnownDevice():
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"""Base class for implementing any device"""
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# a map of udev-provided attributes and their values this device should match to
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UDEV_PROPS: Dict[str, str] = {}
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@staticmethod
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def check_available() -> bool:
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"""Check if that device is connected.
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This method will be run on startup to check if we need to handle the device.
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"""
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raise NotImplementedError
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@staticmethod
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def handle(device: Optional[pyudev.Device] = None) -> None:
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"""Handle a device being plugged or available
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This method will be called on finding an device to be bound by udev with the `device` argument. It will also be
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called on startup without the device argument.
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"""
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raise NotImplementedError
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class UsbHidKeyboardMouse(KnownDevice):
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"""Represent the mechanical thinkpack-like keyboard's trackpoint"""
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UDEV_PROPS = {'ID_MODEL': 'USB-HID_Keyboard'}
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@staticmethod
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def check_available() -> bool:
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cmd = "xinput | grep pointer | grep 'USB-HID Keyboard Mouse'"
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cp = subprocess.run(cmd, shell=True, stdout=subprocess.DEVNULL)
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return cp.returncode == 0
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@staticmethod
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def handle(device: Optional[pyudev.Device] = None) -> None:
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subcmd = "xinput | grep pointer | grep 'USB-HID Keyboard Mouse' | " \
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r"sed -r 's/.*[[:space:]]id=([[:digit:]]+)[[:space:]].*/\1/'"
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cmd: Union[str, List[str]] = f"xinput set-prop $({subcmd}) 'libinput Middle Emulation Enabled' 1"
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subprocess.run(cmd, shell=True)
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cmd = ['xset', 'r', 'rate', '195', '25']
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subprocess.run(cmd)
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print("Handled USB-HID_Keyboard")
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class UsbLogitechG930(KnownDevice):
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"""Represent the Logitech G930 headset's keys"""
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UDEV_PROPS = {'ID_MODEL': 'Logitech_G930_Headset'}
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@staticmethod
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def check_available() -> bool:
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cmd = "xinput | grep keyboard | grep 'Logitech G930 Headset'"
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cp = subprocess.run(cmd, shell=True, stdout=subprocess.DEVNULL)
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return cp.returncode == 0
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@staticmethod
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def handle(device: Optional[pyudev.Device] = None) -> None:
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cmd = ['/home/joker/scripting/remap_headset_keys.sh']
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subprocess.run(cmd)
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print("Handled Logitech G930 Headset")
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@click.command()
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@click.option('--debug', is_flag=True, help='Show all device changes instead of only handled.')
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def main(debug: bool) -> None:
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# do all actions at startup for devices we might have missed
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for known_device in KnownDevice.__subclasses__():
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if not known_device.check_available():
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continue
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known_device.handle()
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context = pyudev.Context()
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monitor = pyudev.Monitor.from_netlink(context)
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monitor.filter_by(subsystem='usb')
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monitor.start()
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device: pyudev.Device
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for device in iter(monitor.poll, None):
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if device.action != 'bind':
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continue
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for known_device in KnownDevice.__subclasses__():
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if not all(device.properties.get(prop) == prop_value
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for prop, prop_value in known_device.UDEV_PROPS.items()):
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continue
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known_device.handle(device=device)
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break
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else:
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if debug:
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print(dict(device))
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if __name__ == '__main__':
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import sys
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try:
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sys.exit(main())
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except KeyboardInterrupt:
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pass
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