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Platform.py
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84 lines (71 loc) · 2.71 KB
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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, ContentDecoderAgent, RedirectAgent, GzipDecoder
from twisted.web.client import HTTPConnectionPool
from twisted.web.http_headers import Headers
from twisted.internet.ssl import ClientContextFactory
from twisted.internet.task import LoopingCall
pnconn_pool = HTTPConnectionPool(reactor, persistent=True)
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=publish_key,
subscribe_key=subscribe_key,
secret_key=secret_key,
cipher_key=cipher_key,
ssl_on=ssl_on,
origin=origin,
)
self.headers = {}
self.headers['User-Agent'] = ['Python-Twisted']
#self.headers['Accept-Encoding'] = [self.accept_encoding]
self.headers['V'] = [self.version]
def _request( self, request, callback ) :
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])
'''
url = self.getUrl(request)
agent = ContentDecoderAgent(RedirectAgent(Agent(
reactor,
contextFactory = WebClientContextFactory(),
pool = self.ssl and None or pnconn_pool
)), [('gzip', GzipDecoder)])
request = agent.request( 'GET', url, Headers(self.headers), None )
def received(response):
finished = Deferred()
response.deliverBody(PubNubResponse(finished))
return finished
def complete(data):
callback(eval(data))
request.addCallback(received)
request.addBoth(complete)
class WebClientContextFactory(ClientContextFactory):
def getContext(self, hostname, port):
return ClientContextFactory.getContext(self)
class PubNubResponse(Protocol):
def __init__( self, finished ):
self.finished = finished
def dataReceived( self, bytes ):
self.finished.callback(bytes)