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Sending an event to a node.js socket.io server from Python.
import websocket
import thread
import time
import sys
from urllib import *
class SocketIO:
def __init__(self):
self.PORT = 5000
self.HOSTNAME = '127.0.0.1'
self.connect()
def __del__(self):
self.close()
def handshake(self,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()
def connect(self):
try:
(sid, hbtimeout, ctimeout) = self.handshake(self.HOSTNAME, self.PORT) #handshaking according to socket.io spec.
self.ws = websocket.create_connection("ws://%s:%d/socket.io/1/websocket/%s" % (self.HOSTNAME, self.PORT, sid))
except Exception as e:
print e
sys.exit(1)
def heartbeat(self):
self.ws.send("2::")
def send(self,event,message):
self.heartbeat()
self.ws.send('5:1::{"name":"%s","args":"%s"}' % (event, message))
def close(self):
self.ws.close()
if __name__ == "__main__":
print "hello"
s = SocketIO()
s.send("pyevent", "message")
s.send("pyevent", "message2")
from socketio import SocketIO
# Node.js connection
sio = SocketIO()
sio.send("log_event", "PhotoPops.py started")
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