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|
import tornado.httpclient
try:
from hashlib import sha256
digestmod = sha256
except ImportError:
import Crypto.Hash.SHA256 as digestmod
sha256 = digestmod.new
import hmac
import tornado.ioloop
from tornado.stack_context import ExceptionStackContext
ioloop = tornado.ioloop.IOLoop.instance()
class Pubnub(PubnubCoreAsync):
def stop(self):
ioloop.stop()
def start(self):
ioloop.start()
def timeout(self, delay, callback):
ioloop.add_timeout(time.time() + float(delay), callback)
def __init__(
self,
publish_key,
subscribe_key,
secret_key=False,
cipher_key=False,
auth_key=False,
ssl_on=False,
origin='pubsub.pubnub.com'
):
super(Pubnub, self).__init__(
publish_key=publish_key,
subscribe_key=subscribe_key,
secret_key=secret_key,
cipher_key=cipher_key,
auth_key=auth_key,
ssl_on=ssl_on,
origin=origin,
)
self.headers = {}
self.headers['User-Agent'] = 'Python-Tornado'
self.headers['Accept-Encoding'] = self.accept_encoding
self.headers['V'] = self.version
self.http = tornado.httpclient.AsyncHTTPClient(max_clients=1000)
self.id = None
def _request(self, request, callback=None, error=None,
single=False, read_timeout=5, connect_timeout=5):
def _invoke(func, data):
if func is not None:
func(data)
url = self.getUrl(request)
request = tornado.httpclient.HTTPRequest(
url, 'GET',
self.headers,
connect_timeout=connect_timeout,
request_timeout=read_timeout)
if single is True:
id = time.time()
self.id = id
def responseCallback(response):
if single is True:
if not id == self.id:
return None
body = response._get_body()
if body is None:
return
def handle_exc(*args):
return True
if response.error is not None:
with ExceptionStackContext(handle_exc):
if response.code in [403, 401]:
response.rethrow()
else:
_invoke(error, {"message": response.reason})
return
try:
data = json.loads(body)
except TypeError as e:
try:
data = json.loads(body.decode("utf-8"))
except ValueError as ve:
_invoke(error, {'error': 'json decode error'})
if 'error' in data and 'status' in data and 'status' != 200:
_invoke(error, data)
else:
_invoke(callback, data)
self.http.fetch(
request=request,
callback=responseCallback
)
def abort():
pass
return abort
|
