Created
September 7, 2017 10:34
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使用websocket和bearychat进行长连接。当服务器接收到消息后执行动作返回消息
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import re | |
import json | |
from urllib.parse import urlencode | |
from config import BEARYCHAT_TOKEN | |
from tornado.ioloop import IOLoop, PeriodicCallback | |
from tornado.httpclient import AsyncHTTPClient | |
from tornado import gen | |
from tornado.websocket import websocket_connect | |
class Handler(): | |
handle_register = {} | |
def __init__(self, func): | |
Handler.handle_register[func.__name__] = func | |
@classmethod | |
def get(cls, k): | |
for i in cls.handle_register.keys(): | |
if re.search(i, k): | |
return cls.handle_register.get(i) | |
return False | |
def __call__(self, func): | |
return func | |
@Handler | |
def test(): | |
return "Hello,World" | |
class Client(object): | |
def __init__(self): | |
self.ioloop = IOLoop.instance() | |
self.ws = None | |
self.connect() | |
PeriodicCallback(self.keep_alive, 20000, io_loop=self.ioloop).start() | |
self.ioloop.start() | |
@gen.coroutine | |
def connect(self): | |
print("trying to connect") | |
try: | |
post_data = {'token': BEARYCHAT_TOKEN} | |
get_url = yield AsyncHTTPClient().fetch("https://rtm.bearychat.com/start", method="POST", | |
body=urlencode(post_data), connect_timeout=5, request_timeout=5) | |
url = json.loads(get_url.body.decode()).get('result', {}).get('ws_host') | |
self.ws = yield websocket_connect(url, connect_timeout=5) | |
except Exception as e: | |
print("connection error,{}".format(e)) | |
else: | |
print("connected") | |
self.run() | |
@gen.coroutine | |
def run(self): | |
while True: | |
msg = yield self.ws.read_message() | |
if msg is None: | |
self.ws = None | |
break | |
try: | |
msg = json.loads(msg) | |
except: | |
self.ws = None | |
break | |
if msg.get('type') != "channel_message": | |
continue | |
print(msg) | |
replay_func = Handler.get(msg.get("text")) | |
if replay_func: | |
raw_text = replay_func() | |
finish_text = json.dumps( | |
{"text": raw_text, | |
"vchannel_id": msg.get("vchannel_id"), | |
"call_id": 23, | |
"refer_key": msg.get("key"), | |
"type": "channel_message", | |
"channel_id": msg.get("channel_id")} | |
) | |
self.ws.write_message(finish_text) | |
def keep_alive(self): | |
if self.ws is None: | |
self.connect() | |
else: | |
self.ws.write_message('{"call_id": 29, "type": "ping"}') | |
if __name__ == "__main__": | |
Client() |
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