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|
try:
import urllib.request
except:
import urllib2
import threading
import json
import time
import threading
from threading import current_thread
latest_sub_callback_lock = threading.RLock()
latest_sub_callback = {'id' : None, 'callback' : None}
class HTTPClient:
def __init__(self, url, urllib_func=None, callback=None, error=None, id=None):
self.url = url
self.id = id
self.callback = callback
self.error = error
self.stop = False
self._urllib_func = urllib_func
def cancel(self):
self.stop = True
self.callback = None
self.error = None
def run(self):
def _invoke(func, data):
if func is not None:
func(data)
if self._urllib_func is None:
return
'''
try:
resp = urllib2.urlopen(self.url, timeout=320)
except urllib2.HTTPError as http_error:
resp = http_error
'''
resp = self._urllib_func(self.url, timeout=320)
data = resp[0]
code = resp[1]
if self.stop is True:
return
if self.callback is None:
global latest_sub_callback
global latest_sub_callback_lock
with latest_sub_callback_lock:
if latest_sub_callback['id'] != self.id:
return
else:
if latest_sub_callback['callback'] is not None:
latest_sub_callback['id'] = 0
try:
data = json.loads(data)
except:
_invoke(latest_sub_callback['error'], {'error' : 'json decoding error'})
return
if code != 200:
_invoke(latest_sub_callback['error'],data)
else:
_invoke(latest_sub_callback['callback'],data)
else:
try:
data = json.loads(data)
except:
_invoke(self.error, {'error' : 'json decoding error'})
return
if code != 200:
_invoke(self.error,data)
else:
_invoke(self.callback,data)
def _urllib_request_2(url, timeout=320):
try:
resp = urllib2.urlopen(url,timeout=timeout)
except urllib2.HTTPError as http_error:
resp = http_error
return (resp.read(),resp.code)
def _urllib_request_3(url, timeout=320):
#print(url)
try:
resp = urllib.request.urlopen(url,timeout=timeout)
except urllib.request.HTTPError as http_error:
resp = http_error
r = resp.read().decode("utf-8")
#print(r)
return (r,resp.code)
_urllib_request = None
class Pubnub(PubnubCoreAsync):
def __init__(
self,
publish_key,
subscribe_key,
secret_key = False,
cipher_key = False,
auth_key = None,
ssl_on = False,
origin = 'pubsub.pubnub.com',
pres_uuid = None
) :
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,
uuid = pres_uuid,
_tt_lock=threading.RLock(),
_channel_list_lock=threading.RLock()
)
global _urllib_request
if self.python_version == 2:
_urllib_request = _urllib_request_2
else:
_urllib_request = _urllib_request_3
def timeout(self, interval, func):
def cb():
time.sleep(interval)
func()
thread = threading.Thread(target=cb)
thread.start()
def _request_async( self, request, callback=None, error=None, single=False ) :
global _urllib_request
## Build URL
url = self.getUrl(request)
if single is True:
id = time.time()
client = HTTPClient(url=url, urllib_func=_urllib_request, callback=None, error=None, id=id)
with latest_sub_callback_lock:
latest_sub_callback['id'] = id
latest_sub_callback['callback'] = callback
latest_sub_callback['error'] = error
else:
client = HTTPClient(url=url, urllib_func=_urllib_request, callback=callback, error=error)
thread = threading.Thread(target=client.run)
thread.start()
def abort():
client.cancel();
return abort
def _request_sync( self, request) :
global _urllib_request
## Build URL
url = self.getUrl(request)
## Send Request Expecting JSONP Response
response = _urllib_request(url, timeout=320)
try:
resp_json = json.loads(response[0])
except:
return [0,"JSON Error"]
if response[1] != 200 and 'status' in resp_json:
return {'message' : resp_json['message'], 'payload' : resp_json['payload']}
return resp_json
def _request(self, request, callback=None, error=None, single=False):
if callback is None:
return self._request_sync(request)
else:
self._request_async(request, callback, error, single=single)
'''
def _request3_sync( self, request) :
## Build URL
url = self.getUrl(request)
## Send Request Expecting JSONP Response
try:
response = urllib.request.urlopen(url,timeout=310)
resp_json = json.loads(response.read().decode("utf-8"))
except Exception as e:
return None
return resp_json
def _request3_async( self, request, callback, single=False ) :
pass
def _request3(self, request, callback=None, single=False):
if callback is None:
return self._request3_sync(request,single=single)
else:
self._request3_async(request, callback, single=single)
'''
|
