统一消息系统

import heapq

class Message:

def __init__(self, id, content, priority):

self.id = id

self.content = content

self.priority = priority

def __lt__(self, other):

return self.priority < other.priority

messages = []

seen_ids = set()

五格在线起名

def add_message(msg):

if msg.id not in seen_ids:

heapq.heappush(messages, msg)

seen_ids.add(msg.id)

def get_top_message():

return heapq.heappop(messages) if messages else None

# 示例

m1 = Message(1, "紧急通知", 5)

m2 = Message(2, "普通邮件", 3)

add_message(m1)

add_message(m2)

print(get_top_message().content)