68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
"""启动前清空状态：SQLite、watch 旧 JSON、测量/行为运行时目录。
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由 start.sh / start_fresh.sh 在 uvicorn 之前调用，使 FishMeasure 与 FishAction 均在无缓存下重新推理。
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"""
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from __future__ import annotations
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from pathlib import Path
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from app.db import clear_runtime_compute_dirs, remove_sqlite_database_files
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from app.settings import get_settings
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def _rm_legacy_json(path: Path | None) -> None:
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if path is None:
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return
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try:
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if path.is_file():
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path.unlink()
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print(f"[prestart-fresh] removed legacy JSON {path}", flush=True)
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except OSError as e:
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print(f"[prestart-fresh] skip {path}: {e}", flush=True)
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def run_prestart_fresh() -> None:
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s = get_settings()
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remove_sqlite_database_files(s)
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print(
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f"[prestart-fresh] removed SQLite at {s.sqlite_path} (and -wal/-shm if present).",
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flush=True,
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)
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clear_runtime_compute_dirs(s)
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print(
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"[prestart-fresh] cleared compute dirs: "
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f"measure_output={s.measure_output_root}, "
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f"action_output={s.action_output_root}, "
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f"media={s.media_root}, stream_tmp={s.stream_tmp_dir}",
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flush=True,
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)
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if s.measure_watch_use_state_file:
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if s.measure_watch_state_file is not None:
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_rm_legacy_json(s.measure_watch_state_file)
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elif s.measure_watch_dir is not None:
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_rm_legacy_json(
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s.measure_watch_dir / ".fishmeasure_watch_processed.json"
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)
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if s.action_watch_use_state_file:
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if s.action_watch_state_file is not None:
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_rm_legacy_json(s.action_watch_state_file)
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elif s.action_watch_dir is not None:
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_rm_legacy_json(
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s.action_watch_dir / ".fishaction_watch_processed.json"
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)
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print("[prestart-fresh] done.", flush=True)
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def main() -> None:
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run_prestart_fresh()
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if __name__ == "__main__":
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main()
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