65일차 실습자료

Last3Mon/65/workflow-lab/src/miniflow/memory.py

@@ -0,0 +1,33 @@
+"""A JSON-file memory store shared across workflow runs."""
+
+import json
+import os
+from pathlib import Path
+from typing import Any
+
+
+def memory_path() -> Path:
+    return Path(os.getenv("MINIFLOW_MEMORY_FILE", ".miniflow-memory.json"))
+
+
+def _load() -> dict[str, Any]:
+    path = memory_path()
+    if not path.exists():
+        return {}
+    return json.loads(path.read_text(encoding="utf-8"))
+
+
+def read(key: str) -> dict[str, Any]:
+    return _load().get(key, {})
+
+
+def write(key: str, value: dict[str, Any]) -> dict[str, Any]:
+    store = _load()
+    merged = {**store.get(key, {}), **value}
+    store[key] = merged
+    memory_path().write_text(json.dumps(store, ensure_ascii=False, indent=2), encoding="utf-8")
+    return merged
+
+
+def clear() -> None:
+    memory_path().unlink(missing_ok=True)