add memory_server.py

memory_server.py

@@ -0,0 +1,38 @@
+"""
+Memory Server implementation.
+
+This module provides a simple in-memory key-value store server that can be used for testing or as a lightweight cache.
+"""
+
+from typing import Dict, Any
+import json
+
+class MemoryServer:
+    """A very small in-memory key‑value store."""
+
+    def __init__(self) -> None:
+        self._store: Dict[str, Any] = {}
+
+    def set(self, key: str, value: Any) -> None:
+        self._store[key] = value
+
+    def get(self, key: str) -> Any:
+        return self._store[key]
+
+    def delete(self, key: str) -> None:
+        del self._store[key]
+
+    def dump(self) -> str:
+        return json.dumps(self._store)
+
+    @classmethod
+    def load(cls, data: str) -> "MemoryServer":
+        obj = cls()
+        obj._store = json.loads(data)
+        return obj
+
+if __name__ == "__main__":
+    srv = MemoryServer()
+    srv.set("foo", 42)
+    print(srv.get("foo"))
+    print(srv.dump())