Silent Pymongo debug log. Upd db.py error solving Future attached to a different loop error

app/db.py

@@ -1,9 +1,19 @@
 # app/db.py
-from motor.motor_asyncio import AsyncIOMotorClient, AsyncIOMotorGridFSBucket
 import os
+import asyncio
+from motor.motor_asyncio import AsyncIOMotorClient, AsyncIOMotorGridFSBucket
 
+_client: AsyncIOMotorClient | None = None
 MONGO_URI = os.getenv("MONGODB_URI")
-client = AsyncIOMotorClient(MONGO_URI)
-MONGO_DB_NAME = os.getenv("MONGODB_DB", "querysearcher") # fallback default
+MONGO_DB_NAME = os.getenv("MONGODB_DB", "querysearcher")  # fallback default
+
+def get_client() -> AsyncIOMotorClient:
+    global _client
+    if _client is None:
+        loop = asyncio.get_running_loop()
+        _client = AsyncIOMotorClient(MONGO_URI, io_loop=loop)
+    return _client
+
+client = get_client()
 db = client[MONGO_DB_NAME]
 grid_fs_bucket = AsyncIOMotorGridFSBucket(db)

app/main.py

@@ -31,6 +31,9 @@ logging.basicConfig(
 )
 logger = logging.getLogger("book-query")
 logger.setLevel(logging.DEBUG)
+# Silence noisy pymongo logs
+for noisy_module in ["pymongo", "pymongo.server_selection", "pymongo.topology", "pymongo.connection"]:
+    logging.getLogger(noisy_module).setLevel(logging.WARNING)
 logger.info("🚀 Starting Tutor Book Querier...")