2016-07-23 517 views
1

我正在尝试使用flask socketio来检索一些直播推文,而目前我正在使用socketio来查看它是如何工作的。但在我的测试中,我不时得到400(不良分享请求)。我想知道这是什么问题。flask socketio 400(不良请求)

这里的错误示例:

socket.io.js:3511 POST http://127.0.0.1:5000/socket.io/?EIO=3&transport=polling&t=LOMYW0D&sid=c81baa220764437184a14366357c6d3d 400 (BAD REQUEST)Request.create @ socket.io.js:3511Request @ socket.io.js:3424XHR.request @ socket.io.js:3352XHR.doWrite @ socket.io.js:3365(anonymous function) @ socket.io.js:3884(anonymous function) @ socket.io.js:4747proxy @ socket.io.js:1197(anonymous function) @ socket.io.js:4762(anonymous function) @ socket.io.js:4742exports.encodePacket @ socket.io.js:4541encodeOne @ socket.io.js:4741eachWithIndex @ socket.io.js:4760map @ socket.io.js:4767exports.encodePayload @ socket.io.js:4746Polling.write @ socket.io.js:3883Transport.send @ socket.io.js:2912Socket.flush @ socket.io.js:2623Socket.sendPacket @ socket.io.js:2683Socket.ping @ socket.io.js:2587(anonymous function) @ socket.io.js:2574 socket.io.js:3511 GET http://127.0.0.1:5000/socket.io/?EIO=3&transport=polling&t=LOMYPYb&sid=c81baa220764437184a14366357c6d3d 400 (BAD REQUEST)Request.create @ socket.io.js:3511Request @ socket.io.js:3424XHR.request @ socket.io.js:3352XHR.doPoll @ socket.io.js:3382Polling.poll @ socket.io.js:3795Polling.onData @ socket.io.js:3834(anonymous function) @ socket.io.js:3385Emitter.emit @ socket.io.js:4389Request.onData @ socket.io.js:3546Request.onLoad @ socket.io.js:3627xhr.onreadystatechange @ socket.io.js:3499 socket.io.js:3511 POST http://127.0.0.1:5000/socket.io/?EIO=3&transport=polling&t=LOMYeOF&sid=c81baa220764437184a14366357c6d3d 400 (BAD REQUEST)

我的服务器端代码(蟒蛇瓶):

from flask import Flask 
from flask_socketio import SocketIO 
app = Flask(__name__) 
app.config["SECRET_KEY"] = "secret!" 
socketio = SocketIO(app) 

def root(): 
    return app.send_static_file("index.html") 

@socketio.on("connect", namespace="/npTweet") 
def connectServer(): 
    print("Client connected") 
    socketio.emit("connected", namespace="/npTweet") 


@socketio.on("startTweets", namespace="/npTweet") 
def tweetStreaming(): 
    print("Start streaming tweets...") 
    socketio.emit("streamTweets", {"stream_result": "test"}, namespace="/npTweet") 


if __name__ == "__main__": 
    socketio.run(app, debug=True) 

我的客户端代码:

socket = io.connect("http://" + document.domain + ":" + location.port + "/npTweet"); 
console.log("http://" + document.domain + ":" + location.port + "/npTweet"); 
// listen to the event 'connected' 
socket.on("connected", function(data){ 
    console.log("listening connected..."); 
    socket.emit("startTweets") 
}); 

socket.on("streamTweets", function(data){ 
    console.log("listen streamTweets..."); 
    console.log(data.stream_result) 
}); 

这些都是初期当我启动index.html页面时输出:

http://127.0.0.1:5000/npTweet 
listening connected... 
listen streamTweets... 
test 

但之后好像是30秒左右,就开始有以前的400错误的请求的错误,其次是以下结果:

listening connected... 
listen streamTweets... 
test 

再经过好像是30秒,它的错误的请求并重新结果。我在哪里做错了?任何帮助将不胜感激。

为客户端,我使用socketio的js 1.4.5

为Python: 烧瓶SocketIO == 2.5 蟒蛇,engineio == 0.9.2

回答

1

这也张贴一个GitHub问题here

根据新的Flask 0.11 CLI,问题是Flask服务器的启动时间为flask run。不幸的是,这种启动服务器的方法绕过了Socket.IO代码。解决方案是运行该脚本,以使if __name__ == 'main':块内的代码开始运行。