标准Task模型

message.py

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+'''
+0. 消息模型
+1. 消息盒子(储存消息)
+2. 消息信道(收发消息)
+'''
+
+from pydantic import BaseModel
+from datetime import datetime
+
+class Message(BaseModel):
+    id:   str                     # 消息ID(可基于此更新消息)
+    type: str                     # 消息类型(可基于此分发消息)
+    data: dict                    # 消息数据(用于展示的消息主体)
+    date: datetime=datetime.now() # 时间(消息被创建的时间)
+
+class MessageBox:
+    def __init__(self, sender, receiver, content):
+        self.sender = sender
+        self.receiver = receiver
+        self.content = content
+
+    def send(self):
+        self.receiver.receive(self)
+
+    def __str__(self):
+        return 'From: %s' % self.sender
+
+class MessageChannel:
+    pass
+
+
+#def watch(self, websocket: WebSocket, task: Task):
+#    await websocket.accept()
+#    # 将websocket连接加入到任务的观察者列表中
+#    task.add_observer(websocket)
+#    await websocket.send_text(f"Task {task.id} is being watched")
+#    # 从websocket连接中读取消息
+#    await websocket.receive_text()
+#    # 将websocket连接从任务的观察者列表中移除
+#    task.remove_observer(websocket)
+#    await websocket.send_text(f"Task {task.id} is no longer being watched")
+#    await websocket.close()