Implement feature extraction and inference enhancements, including async processing and MongoDB integration

services/mongo.py

@@ -0,0 +1,32 @@
+import datetime
+import os
+from typing import Dict, List, Optional
+
+from bson import ObjectId
+from motor.motor_asyncio import (
+    AsyncIOMotorClient,
+    AsyncIOMotorCollection,
+    AsyncIOMotorDatabase,
+)
+
+MONGO_URI = os.getenv("MONGO_URI")
+
+MongoQueryParam = int | str | None | bool | datetime.datetime
+
+MongoQueryListParam = (
+    List[int] | List[str] | List[datetime.datetime] | List[bool] | List[None]
+)
+
+MongoQueryDictParam = Dict[
+    str, MongoQueryListParam | MongoQueryParam | "MongoQueryDictParam"
+]
+
+MongoQuery = Dict[
+    str, MongoQueryDictParam | MongoQueryParam | MongoQueryListParam | "MongoQuery"
+]
+
+# 明确的类型注解
+client: AsyncIOMotorClient = AsyncIOMotorClient(host=MONGO_URI)
+db: AsyncIOMotorDatabase = client["TriCore"]
+voice_collection: AsyncIOMotorCollection = db["voice_insight"]
+