42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
"""开发期剧目清单缓存。
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只缓存分类和剧目清单，不缓存封面。封面仍由 cache/covers 负责。
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手动刷新会删掉这份缓存并重新请求。
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正式打包时 Tauri 会把 RAPTD_CATALOG_CACHE 设为 0，从而关闭这里。
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"""
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import json
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import os
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from pathlib import Path
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PATH = Path(__file__).resolve().parents[2] / "cache" / "catalog.json"
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def enabled() -> bool:
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flag = os.environ.get("RAPTD_CATALOG_CACHE", "1").strip().lower()
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return flag not in ("0", "false", "no")
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def read() -> list[dict] | None:
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if not PATH.is_file():
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return None
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try:
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data = json.loads(PATH.read_text(encoding="utf-8"))
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except (OSError, json.JSONDecodeError):
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return None
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events = data.get("events") if isinstance(data, dict) else None
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if not isinstance(events, list) or not events:
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return None
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return events
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def write(events: list[dict]) -> None:
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PATH.parent.mkdir(parents=True, exist_ok=True)
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temporary = PATH.with_suffix(".json.tmp")
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temporary.write_text(json.dumps({"events": events}, ensure_ascii=False), encoding="utf-8")
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temporary.replace(PATH)
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def clear() -> None:
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PATH.unlink(missing_ok=True)
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