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* perf(wifi): one status fetch per monitor tick instead of three The wifi monitor daemon fetched WiFi status + ethernet state before its AP-mode check, the check internally fetched the same state again (with retry), and the daemon fetched a third time afterwards — each fetch is several nmcli subprocess forks, every 30s, forever, even on a perfectly healthy link. check_and_manage_ap_mode's decision logic is extracted to _manage_ap_mode(status, ethernet, ap_active); the new check_and_manage_ap_mode_with_state() runs the single (retrying) fetch battery and returns (changed, status, ethernet, ap_active_after) — the post-state is derivable because state only ever flips via one enable or one disable. The original bool-returning method delegates, so existing callers are untouched. The daemon's dead pre-fetch is removed and its post-check reads use the returned state; the AP-enable retry semantics (_get_wifi_status_with_retry) are preserved exactly. ~10-15 forks/30s drops to ~4-6. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FqzC1nzTWL4kaqgMaQZFam * fix(wifi): add missing type hints on AP-mode state helpers, fix unused-var lint in tests - check_and_manage_ap_mode_with_state now declares its Tuple[bool, WiFiStatus, bool, bool] return type instead of being untyped. - _manage_ap_mode's status/ethernet_connected/ap_active parameters are now typed (WiFiStatus, bool, bool), matching its existing -> bool return hint. - test_wifi_check_state.py: rename unused unpacked variables (status/ ethernet/ap_after) to underscore-prefixed names at the three call sites that don't use them, leaving the used ones untouched. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01KEZK1P1Q1fu5pcuVrkrCFZ --------- Co-authored-by: Chuck <chuck@example.com> Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
Utility Scripts
This directory contains utility scripts for maintenance and system operations.
Scripts
clear_cache.py- Clears LEDMatrix cache data (specific keys or all cache)start_web_conditionally.py- Conditionally starts the web interface based on config settingswifi_monitor_daemon.py- Background daemon that monitors WiFi/Ethernet connection and manages access point modecleanup_venv.sh- Cleans up Python virtual environment filesclear_python_cache.sh- Clears Python cache files (pycache, *.pyc, etc.)
Usage
Clear Cache
python3 scripts/utils/clear_cache.py --list # List cache keys
python3 scripts/utils/clear_cache.py --clear-all # Clear all cache
python3 scripts/utils/clear_cache.py --clear <key> # Clear specific key
Start Web Interface Conditionally
This script is typically called by the systemd service (ledmatrix-web.service) and checks the web_display_autostart setting in config/config.json before starting the web interface.
WiFi Monitor Daemon
This daemon is typically run as a systemd service (ledmatrix-wifi-monitor.service) and automatically manages WiFi access point mode based on network connectivity.