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| diff --git a/python-twisted/migration.md b/python-twisted/migration.md new file mode 100644 index 0000000..fcde163 --- /dev/null +++ b/python-twisted/migration.md @@ -0,0 +1,203 @@ +## PubNub 3.5.0 Web Data Push Cloud-hosted API - PYTHON +#### www.pubnub.com - PubNub Web Data Push Service in the Cloud.  +#### http://github.com/pubnub/python + +#### Import + +``` +# Pre 3.5: +from Pubnub import Pubnub + +# New in 3.5+ +from Pubnub import PubnubTwisted as Pubnub + +``` + + +#### Init + +``` + +# Pre 3.5: +pubnub = Pubnub( +    "demo",  ## PUBLISH_KEY +    "demo",  ## SUBSCRIBE_KEY +     False   ## SSL_ON? +) + +# New in 3.5+ +pubnub = Pubnub(publish_key="demo", subscribe_key="demo", ssl_on=False) + +``` + +#### PUBLISH + +``` +channel = 'hello_world' +message = 'Hello World !!!' + +# Pre 3.5: +def callback(messages): +    print(messages) + +pubnub.publish( { +    'channel'  : channel, +    'message'    : message, +    'callback' : callback +}) + +# New in 3.5+ + +def callback(message): +    print(message) + +pubnub.publish(channel, message, callback=callback, error=callback) + +``` + + +#### SUBSCRIBE + +``` + +# Listen for Messages + +channel = 'hello_world' + +# Pre 3.5: +def connected() : +    print('CONNECTED') + +def message_received(message): +    print(message) + +pubnub.subscribe({ +    'channel'  : channel, +    'connect'  : connected, +    'callback' : message_received +}) + +# New in 3.5+ + +def callback(message, channel): +    print(message) + + +def error(message): +    print("ERROR : " + str(message)) + + +def connect(message): +    print("CONNECTED") + + +def reconnect(message): +    print("RECONNECTED") + + +def disconnect(message): +    print("DISCONNECTED") + + +pubnub.subscribe(channel, callback=callback, error=callback, +                 connect=connect, reconnect=reconnect, disconnect=disconnect) +``` + +#### Unsubscribe +Once subscribed, you can easily, gracefully, unsubscribe: + +``` +# Pre 3.5: +pubnub.unsubscribe({ +    'channel' : 'hello_world' +}) + +# New in 3.5+ + +pubnub.unsubscribe(channel='hello_world') +``` + +#### PRESENCE + +``` + +# Pre 3.5: +# + +# New in 3.5+ + +# Listen for Presence Event Messages + +channel = 'hello_world' + +def callback(message, channel): +    print(message) + + +def error(message): +    print("ERROR : " + str(message)) + +pubnub.presence(channel, callback=callback, error=callback) +``` + +#### HERE_NOW + +``` + +channel = 'hello_world' + +# Pre 3.5: +def callback(messages): +    print(messages) + +pubnub.here_now( { +    'channel'  : channel, +    'callback' : callback +}) + + +# New in 3.5+ + +# Get info on who is here right now! + + +def callback(message): +    print(message) + +pubnub.here_now(channel, callback=callback, error=callback) +``` + +#### HISTORY + +``` +channel = 'hello_world' + +# Pre 3.5: +def history_complete(messages): +    print(messages) + +pubnub.history( { +    'channel'  : channel, +    'limit'    : 2, +    'callback' : history_complete +}) + + +# New in 3.5+ + +def callback(message): +    print(message) + +pubnub.history(channel, count=2, callback=callback, error=callback) +``` + +#### IO Event Loop + +``` + +# Pre 3.5: +reactor.run() + +# New in 3.5+ +pubnub.start() +``` | 
