File size: 1,407 Bytes
1f1b4db | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | import aio_pika
from typing import Optional
from api.chat.chat_api import ChatAPI
from .base import ChatQueueBase
class RabbitMQQueue(ChatQueueBase):
def __init__(self, url: str):
self.url = url
self.connection = None
self.channel = None
self.queue_name = "chat_queue"
async def connect(self):
if not self.connection:
self.connection = await aio_pika.connect_robust(self.url)
self.channel = await self.connection.channel()
await self.channel.declare_queue(self.queue_name)
async def add(self, api_key: str) -> None:
await self.connect()
message = aio_pika.Message(body=api_key.encode())
await self.channel.default_exchange.publish(
message,
routing_key=self.queue_name
)
async def get(self) -> Optional[ChatAPI]:
await self.connect()
message = await self.channel.get(self.queue_name, no_ack=True)
if message:
api_key = message.body.decode()
chat = ChatAPI(api_key=api_key)
# 重新加入队列
await self.add(api_key)
return chat
return None
async def length(self) -> int:
await self.connect()
queue = await self.channel.declare_queue(self.queue_name)
return queue.declaration_result.message_count |