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## www.pubnub.com - PubNub Real-time push service in the cloud.
# coding=utf8
## PubNub Real-time Push APIs and Notifications Framework
## Copyright (c) 2010 Stephen Blum
## http://www.pubnub.com/
## -----------------------------------
## PubNub 3.1 Real-time Push Cloud API
## -----------------------------------
import sys
import json
import time
import hashlib
import urllib2
import uuid
sys.path.append('../')
sys.path.append('../../')
sys.path.append('../../../')
from PubnubCoreAsync import PubnubCoreAsync
try:
from hashlib import sha256
digestmod = sha256
except ImportError:
import Crypto.Hash.SHA256 as digestmod
sha256 = digestmod.new
import hmac
from twisted.web.client import getPage
from twisted.internet import reactor
from twisted.internet.defer import Deferred
from twisted.internet.protocol import Protocol
from twisted.web.client import Agent
from twisted.web.client import HTTPConnectionPool
from twisted.web.http_headers import Headers
from PubnubCrypto import PubnubCrypto
import gzip
import zlib
pnconn_pool = HTTPConnectionPool(reactor)
pnconn_pool.maxPersistentPerHost = 100
pnconn_pool.cachedConnectionTimeout = 310
class Pubnub(PubnubCoreAsync):
def start(self): reactor.run()
def stop(self): reactor.stop()
def timeout( self, delay, callback ):
reactor.callLater( delay, callback )
def __init__(
self,
publish_key,
subscribe_key,
secret_key = False,
cipher_key = False,
ssl_on = False,
origin = 'pubsub.pubnub.com'
) :
super(Pubnub, self).__init__(
publish_key,
subscribe_key,
secret_key,
ssl_on,
origin,
)
def _request( self, request, callback, timeout=30 ) :
global pnconn_pool
## Build URL
url = self.origin + '/' + "/".join([
"".join([ ' ~`!@#$%^&*()+=[]\\{}|;\':",./<>?'.find(ch) > -1 and
hex(ord(ch)).replace( '0x', '%' ).upper() or
ch for ch in list(bit)
]) for bit in request])
requestType = request[0]
agent = Agent(
reactor,
self.ssl and None or pnconn_pool,
connectTimeout=timeout
)
print url
gp = getPage( url, headers={
'V' : ['3.4'],
'User-Agent' : ['Python-Twisted'],
'Accept-Encoding' : ['gzip']
} );
gp.addCallback(callback)
gp.addErrback(callback)
#class PubNubResponse(Protocol):
# def __init__( self, finished ):
# self.finished = finished
#
# def dataReceived( self, bytes ):
# self.finished.callback(bytes)
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