116 lines
3.9 KiB
Python
116 lines
3.9 KiB
Python
# memory_server.py
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from fastmcp import FastMCP
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import json
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from datetime import datetime
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from pathlib import Path
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from typing import Any, Optional, List
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import fnmatch
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class MemoryServer:
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def __init__(self):
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self.mcp = FastMCP("Memory-Server")
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self.storage_path = Path("./memory_data.json")
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def _load_memory(self) -> dict:
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if not self.storage_path.exists():
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return {}
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with open(self.storage_path, 'r', encoding='utf-8') as f:
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return json.load(f)
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def _save_memory(self, data: dict):
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self.storage_path.parent.mkdir(parents=True, exist_ok=True)
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with open(self.storage_path, 'w', encoding='utf-8') as f:
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json.dump(data, f, indent=2, ensure_ascii=False)
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@self.mcp.tool
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def save(self, key: str, value: Any) -> bool:
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"""Сохраняет значение по ключу в память сервера."""
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data = self._load_memory()
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data[key] = {"value": value, "timestamp": datetime.utcnow().isoformat()}
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self._save_memory(data)
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return True
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@self.mcp.tool
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def get(self, key: str) -> Optional[dict]:
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"""Возвращает значение по ключу с метаданными."""
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data = self._load_memory()
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entry = data.get(key)
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if entry is None:
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return None
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return {"key": key, "value": entry["value"], "timestamp": entry["timestamp"]}
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@self.mcp.tool
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def delete(self, key: str) -> bool:
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"""Удаляет ключ из памяти сервера."""
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data = self._load_memory()
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if key in data:
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del data[key]
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self._save_memory(data)
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return True
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return False
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@self.mcp.tool
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def list_keys(self, pattern: str = "*") -> List[str]:
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"""Возвращает список всех ключей с поддержкой wildcard-паттерна."""
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data = self._load_memory()
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return [k for k in data.keys() if fnmatch.fnmatch(k, pattern)]
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@self.mcp.tool
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def save_with_namespace(self, key: str, value: Any, namespace: str = "default") -> bool:
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"""Сохраняет значение с указанием пространства имён."""
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full_key = f"{namespace}:{key}"
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return self.save(full_key, value)
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@self.mcp.tool
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def get_by_namespace(self, namespace: str = "default") -> List[dict]:
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"""Возвращает все ключи из указанного namespace."""
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data = self._load_memory()
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result = []
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prefix = f"{namespace}:"
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for k, v in data.items():
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if k.startswith(prefix):
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result.append({"key": k[len(prefix):], "value": v["value"], "timestamp": v["timestamp"]})
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return result
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if __name__ == "__main__":
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server = MemoryServer()
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server.mcp.run(
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transport="stdio",
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show_banner=False,
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log_level='ERROR'
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)
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# memory_client.py
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import asyncio
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from fastmcp import Client
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async def main():
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client = Client("python memory_server.py")
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await client.connect()
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try:
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# Сохранение данных в namespace "default"
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result = await client.call_tool(
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"save_with_namespace",
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{"key": "username", "value": "Алексей", "namespace": "default"}
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)
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print(f"Сохранено: {result}")
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# Чтение данных
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result = await client.call_tool(
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"get_by_namespace",
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{"namespace": "default"}
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)
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print("Данные namespace 'default':")
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for item in result:
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print(f" {item['key']}: {item['value']}")
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# Поиск по паттерну
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keys = await client.call_tool("list_keys", {"pattern": "*name"})
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print(f"Ключи с 'name': {keys}")
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finally:
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await client.close()
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if __name__ == "__main__":
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asyncio.run(main()) |