从python clien格式化要发送到socket.io node.js服务器的消息

Question

我试图让一个Python客户机使用Socket.io 0.7与Node.js服务器对话，方法是向服务器发送一个自定义事件。

基于我在GitHub和下面的WebSocket Python library上找到的Socket.io引用。

这是我目前的代码：

节点服务器

io.sockets.on('connection', function (socket) {
  socket.on('newimg', function(data) {
        console.log(data);
  });
});

Python客户端

def handshake(host, port):
    u = urlopen("http://%s:%d/socket.io/1/" % (host, port))
    if u.getcode() == 200:
        response = u.readline()
        (sid, hbtimeout, ctimeout, supported) = response.split(":")
        supportedlist = supported.split(",")
        if "websocket" in supportedlist:
            return (sid, hbtimeout, ctimeout)
        else:
            raise TransportException()
    else:
        raise InvalidResponseException()


try:
    (sid, hbtimeout, ctimeout) = handshake(HOSTNAME, PORT) #handshaking according to socket.io spec.
Except Exception as e:
    print e
    sys.exit(1)
ws = websocket.create_connection("ws://%s:%d/socket.io/1/websocket/%s" % (HOSTNAME, PORT, sid))
print ws.recv()
ws.send("2::")
ws.send("5:1::{'name':'newimg', 'args':'bla'}")
print ws.recv()
print "Closing connection"
ws.close()

节点控制台输出

debug - client authorized
info  - handshake authorized 12738935571241622933
debug - setting request GET /socket.io/1/websocket/12738935571241622933
debug - set heartbeat interval for client 12738935571241622933
debug - client authorized for 
debug - websocket writing 1::
debug - websocket received data packet 2::
debug - got heartbeat packet
debug - websocket received data packet 5:1::{'name':'newimg', 'args':'bla'}
debug - acknowledging packet automatically
debug - websocket writing 6:::1
info  - transport end
debug - set close timeout for client 12738935571241622933
debug - cleared close timeout for client 12738935571241622933
debug - cleared heartbeat interval for client 12738935571241622933
debug - discarding transport 

Python控制台输出

Done
1::
6:::1
Closing connection

现在看来，尽管服务器使用ACK响应，套接字事件似乎没有被触发。因此，消息被正确接收，但我假设，没有正确格式化socket.io以触发事件。

我不认为框架是必要的，但是Archie1986似乎不同意他对此的回答：Socket.IO Client Library in Python

我在这里会做错什么？

Answer 1

解决了。我需要用双引号。单引号不是有效的JSON。胡说。

ws.send("5:1::{'name':'newimg', 'args':'bla'}")

变成：

ws.send('5:1::{"name":"newimg", "args":"bla"}')