mirror of
https://github.com/kuhyx/wake-alarm.git
synced 2026-07-04 12:03:01 +02:00
Krzysztof kuhy Rudnicki
db2be1f6a1
Split diet_guard/_gatelock.py, wake_alarm/_alarm.py, and the usage_report.py/_usage_report_parsing.py pair into focused sub-modules so every Python file is <= 500 lines, satisfying test_file_length.py. Install python-kasa into .venv (declared in requirements but missing after the 3.13->3.14 venv upgrade), fixing 8 failing smart_plug tests and restoring 100% coverage. Also includes prior in-progress work from the working tree: the wake_alarm Progress/View/Hardware field-grouping refactor, brother_printer query module + tests, diet_guard foodbank/state/cli updates, new shared coerce/logging_setup helpers, morning_routine orchestrator tweaks, dwm window-manager config, gaming scripts, and misc maintenance/digital-wellbeing script updates. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
"""Display power and screensaver helpers for the wake alarm.
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Wakes monitors that may be physically powered off (via DDC/CI) or in DPMS
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standby, and restores the screensaver once the alarm dismiss flow ends.
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"""
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from __future__ import annotations
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import logging
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import shutil
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import subprocess
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_logger = logging.getLogger(__name__)
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def _ddcutil_power_on() -> None:
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"""Power on all connected monitors via DDC/CI VCP code D6.
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This wakes monitors that were physically turned off with the power button
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and therefore ignore DPMS signals. Falls back silently when ddcutil is
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absent or returns an error (e.g. no i2c access yet).
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"""
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ddcutil = shutil.which("ddcutil")
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if ddcutil is None:
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_logger.warning("ddcutil not on PATH; skipping DDC/CI monitor power-on")
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return
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try:
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result = subprocess.run(
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[ddcutil, "setvcp", "D6", "01"],
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check=False,
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capture_output=True,
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timeout=10,
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)
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except (OSError, subprocess.TimeoutExpired):
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_logger.warning("ddcutil setvcp failed", exc_info=True)
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return
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if result.returncode != 0:
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_logger.warning(
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"ddcutil setvcp D6 01 exited %d: %s",
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result.returncode,
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result.stderr.decode(errors="replace").strip()[:200],
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)
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else:
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_logger.info("DDC/CI monitor power-on sent")
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def _wake_display() -> None:
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"""Force the display on and disable screensaver during alarm.
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Sends both a DDC/CI hard power-on (for monitors powered off via the
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power button) and a DPMS force-on (for monitors in standby).
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"""
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_ddcutil_power_on()
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xset = shutil.which("xset")
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if xset is None:
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_logger.warning("xset not on PATH; skipping DPMS display wake")
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return
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for cmd in (
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[xset, "dpms", "force", "on"],
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[xset, "s", "off"],
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):
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subprocess.run(cmd, check=False, capture_output=True, timeout=5)
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def _restore_display() -> None:
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"""Re-enable screensaver after the alarm ends."""
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xset = shutil.which("xset")
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if xset is None:
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_logger.warning("xset not on PATH; skipping display restore")
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return
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subprocess.run(
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[xset, "s", "on"],
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check=False,
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capture_output=True,
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timeout=5,
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)
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