Python 烧瓶套接字和ZeroMQ
我正在玩弄如何通过websocket将Python 烧瓶套接字和ZeroMQ,python,zeromq,flask-sockets,Python,Zeromq,Flask Sockets,我正在玩弄如何通过websocket将zeromqpub/sub消息发送到浏览器。下面的“工作原理”是通过websocket发送消息。然而,尝试重新加载页面只是挂起,因为我猜是而True循环被阻塞。我认为gevent.sleep()调用将允许上下文切换,但显然不允许。你知道如何让这些部件一起工作吗 import zmq import json import gevent from flask_sockets import Sockets from flask import Flask, rend
zeromq
pub/sub消息发送到浏览器。下面的“工作原理”是通过websocket发送消息。然而,尝试重新加载页面只是挂起,因为我猜是而True
循环被阻塞。我认为gevent.sleep()
调用将允许上下文切换,但显然不允许。你知道如何让这些部件一起工作吗
import zmq
import json
import gevent
from flask_sockets import Sockets
from flask import Flask, render_template
import logging
from gevent import monkey
monkey.patch_all()
app = Flask(__name__)
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
sockets = Sockets(app)
context = zmq.Context()
ZMQ_LISTENING_PORT = 6557
@app.route('/')
def index():
return render_template('index.html')
@sockets.route('/zeromq')
def send_data(ws):
logger.info('Got a websocket connection, sending up data from zmq')
socket = context.socket(zmq.SUB)
socket.connect('tcp://localhost:{PORT}'.format(PORT=ZMQ_LISTENING_PORT))
socket.setsockopt(zmq.SUBSCRIBE, "")
gevent.sleep()
while True:
data = socket.recv_json()
logger.info(data)
ws.send(json.dumps(data))
gevent.sleep()
if __name__ == '__main__':
from gevent import pywsgi
from geventwebsocket.handler import WebSocketHandler
server = pywsgi.WSGIServer(('', 25000), app, handler_class=WebSocketHandler)
server.serve_forever()
没关系,只是意识到需要做什么
import zmq.green as zmq
为了与gevent兼容使用