Python: flask-socketio使用Websocket协议进行通讯

文档：

• PyPI: https://pypi.org/project/Flask-SocketIO/
• Github: https://github.com/miguelgrinberg/Flask-SocketIO
• doc: https://flask-socketio.readthedocs.io
• socket.io: https://socket.io/

安装

pip install flask-socketio gevent-websocket

  
 

  
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代码实例

from flask import Flask, render_template, request
from flask_socketio import SocketIO

app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
app.jinja_env.auto_reload = True

socketio = SocketIO(app)
@app.route('/')
def index(): return render_template('index.html')
@app.route('/send_all')
def send_all(): """ 广播 :return: """ message = request.args.get('message') socketio.send(message) return {'status': 'ok'}
@app.route('/send')
def send_message(): """ 单独发送 :return: """ sid = request.args.get('sid') message = request.args.get('message') socketio.send(message, to=sid) return {'status': 'ok'}
@socketio.on('connect')
def connect(): print('connect') socketio.send({'sid': request.sid})
@socketio.on('disconnect')
def disconnect(): print('disconnect')
@socketio.on('message')
def handle_message(data): print(data) socketio.send({'data': data})
if __name__ == '__main__': socketio.run(app, debug=True)
  
 

  
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Http 发送测试请求

import requests

params = { 'sid': 'm4AymrH2TIFHCcQNAAAF', 'message': 'send'
}

res = requests.get('http://localhost:5000/send', params=params)
print(res.text)
params = { 'message': 'send_all'
}

res = requests.get('http://localhost:5000/send_all', params=params)
print(res.text)

  
 

  
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文章来源: pengshiyu.blog.csdn.net，作者：彭世瑜，版权归原作者所有，如需转载，请联系作者。

原文链接：pengshiyu.blog.csdn.net/article/details/116000667