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firestar5683
28 lines
687 B
Python
28 lines
687 B
Python
from pathlib import Path
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CHESTNUT_VENDOR_ID = 0xADD1
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CHESTNUT_PRODUCT_ID = 0x0001
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USB_DEVICES_PATH = Path("/sys/bus/usb/devices")
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def read_int(path: Path, base: int = 10) -> int:
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try:
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return int(path.read_text(), base)
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except (OSError, ValueError):
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return 0
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def usb_devices() -> list[Path]:
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try:
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devices = (path for path in USB_DEVICES_PATH.glob("*") if (path / "idVendor").exists())
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return sorted(devices, key=lambda path: path.name)
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except OSError:
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return []
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def controller(device: Path) -> Path | None:
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try:
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return next((parent for parent in device.resolve().parents if parent.name.endswith(".ssusb")), None)
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except OSError:
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return None
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