python-websocket 和 socket.io 命名空间

Question

我会用 python 编写一个 websocket 客户端来连接到一个用 socket.io 编写的服务器。我当前的代码，取自 1是以下内容:

import websocket, httplib, sys, asyncore
def connect(server, port):

    print("connecting to: %s:%d" %(server, port))

    conn  = httplib.HTTPConnection(server + ":" + str(port))
    conn.request('POST','/socket.io/1/')
    resp  = conn.getresponse() 
    hskey = resp.read().split(':')[0]
    ws = websocket.WebSocket(
                'ws://'+server+':'+str(port)+'/socket.io/1/websocket/'+hskey,
                onopen   = _onopen,
                onmessage = _onmessage,
                onclose = _onclose)

    return ws

def _onopen():
    print("opened!")

def _onmessage(msg):
    print("msg: " + str(msg))

def _onclose():
    print("closed!")


if __name__ == '__main__':

    server = 'localhost'
    port = 8081

    ws = connect(server, port)

    try:
        asyncore.loop()
    except KeyboardInterrupt:
        ws.close()

我的问题是如何连接到特定的命名空间？

谢谢

Answer 1

您可以使用 socketIO-client在 MIT 许可证下可在 PyPI 上使用。它支持单个套接字的不同命名空间。

from socketIO_client import SocketIO, BaseNamespace

class MainNamespace(BaseNamespace):

    def on_aaa(self, *args):
        print 'aaa', args

class ChatNamespace(BaseNamespace):

    def on_bbb(self, *args):
        print 'bbb', args

class NewsNamespace(BaseNamespace):

    def on_ccc(self, *args):
        print 'ccc', args

mainSocket = SocketIO('localhost', 8000, MainNamespace)
chatSocket = mainSocket.connect('/chat', ChatNamespace)
newsSocket = mainSocket.connect('/news', NewsNamespace)
mainSocket.wait()