48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
import glob
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from app.sample import Sample
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_PS = "/sys/class/power_supply"
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def _read(path: str) -> str | None:
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try:
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with open(path) as f:
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return f.read().strip()
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except OSError:
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return None
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def _supplies() -> list[tuple[str, str]]:
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out: list[tuple[str, str]] = []
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for p in sorted(glob.glob(f"{_PS}/*")):
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t = _read(f"{p}/type")
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if t:
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out.append((t.lower(), p))
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return out
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def fill(s: Sample) -> None:
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try:
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supplies = _supplies()
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for t, p in supplies:
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if t == "battery" and _read(f"{p}/present") == "1":
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cap = _read(f"{p}/capacity")
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if cap is not None:
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try:
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s.battery = int(cap)
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except ValueError:
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pass
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s.battery_status = _read(f"{p}/status")
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break
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for t, p in supplies:
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if t == "mains" and _read(f"{p}/online") == "1":
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s.ac_online = True
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break
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if s.ac_online is None:
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for t, p in supplies:
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if t == "usb" and _read(f"{p}/online") == "1":
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s.ac_online = True
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break
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except OSError:
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pass
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