onecache_quickstart_async_function_memoization_with_decorator.py

1import asyncio
2from onecache import Cache
3
4# Initialize the cache (default is in-memory)
5cache = Cache()
6
7@cache()
8async def get_data(key: str):
9    print(f"Fetching data for {key}...")
10    await asyncio.sleep(1)  # Simulate a slow IO operation
11    return {"key": key, "data": "some value"}
12
13async def main():
14    # First call: executes the function and caches the result
15    print("First call:")
16    print(await get_data("my_key"))
17
18    # Second call: returns the cached result immediately
19    print("\nSecond call (cached):")
20    print(await get_data("my_key"))
21
22if __name__ == "__main__":
23    asyncio.run(main())