def unsubscribe(listener, topics=None):
"""
unsubscribe listener from topic and log event
"""
pubsub_logger.debug("UNSUBSCRIBE : %s unsubsrcibes from topic(s) %s",
name(listener), topics)
Publisher().unsubscribe(listener, topics)
def save_subscribe(listener, topic=ALL_TOPICS):
"""
subscribe listener to topic and log event,
unless listener is already subscribed
"""
if not is_subscribed(listener, topic):
subscribe(listener, topic)
else:
pubsub_logger.debug("save_subscribe prevented %s second subscription to topic %s",
name(listener), topic)
def subscribe(listener, topic=ALL_TOPICS):
"""
subscribe listener to topic and log event
"""
if is_subscribed(listener, topic):
pubsub_logger.warning("%s already subscribed to topic %s!", name(listener), topic)
pubsub_logger.debug("SUBSCRIBE: %s subscribes to topic %s", name(listener), topic)
Publisher().subscribe(listener, topic)
def save_subscribe(listener, topic=ALL_TOPICS):
"""
subscribe listener to topic and log event,
unless listener is already subscribed
"""
if not is_subscribed(listener, topic):
subscribe(listener, topic)
else:
pubsub_logger.debug(
"save_subscribe prevented %s second subscription to topic %s",
name(listener), topic)
def subscribe(listener, topic=ALL_TOPICS):
"""
subscribe listener to topic and log event
"""
if is_subscribed(listener, topic):
pubsub_logger.warning("%s already subscribed to topic %s!",
name(listener), topic)
pubsub_logger.debug("SUBSCRIBE: %s subscribes to topic %s", name(listener),
topic)
Publisher().subscribe(listener, topic)
def receive(listener, message):
"""
log reception of message by listener
"""
if not message:
pubsub_logger.debug("RECEIVE: %s receives message", name(listener))
elif message.data:
pubsub_logger.debug("RECEIVE: %s receives message with topic %s and data %s",
name(listener), ".".join(message.topic), repr(message.data))
else:
pubsub_logger.debug("RECEIVE: %s receives message with topic %s",
name(listener), ".".join(message.topic))
def receive(listener, message):
"""
log reception of message by listener
"""
if not message:
pubsub_logger.debug("RECEIVE: %s receives message", name(listener))
elif message.data:
pubsub_logger.debug(
"RECEIVE: %s receives message with topic %s and data %s",
name(listener), ".".join(message.topic), repr(message.data))
else:
pubsub_logger.debug("RECEIVE: %s receives message with topic %s",
name(listener), ".".join(message.topic))
def send(talker, topic=ALL_TOPICS, data=None):
"""
send message from talker to topic and log event
"""
pubsub_logger.debug(10 * "-" + " %s " + 60 * "-", topic)
if data:
pubsub_logger.debug("SEND: %s sends message for topic %s with data %s",
name(talker), topic, repr(data))
else:
pubsub_logger.debug("SEND: %s sends message for topic %s",
name(talker), topic)
Publisher().sendMessage(topic, data)
def send(talker, topic=ALL_TOPICS, data=None):
"""
send message from talker to topic and log event
"""
pubsub_logger.debug(10 * "-" + " %s " + 60 * "-", topic)
if data:
pubsub_logger.debug("SEND: %s sends message for topic %s with data %s",
name(talker), topic, repr(data))
else:
pubsub_logger.debug("SEND: %s sends message for topic %s", name(talker),
topic)
Publisher().sendMessage(topic, data)
def unsubscribe(listener, topics=None):
"""
unsubscribe listener from topic and log event
"""
pubsub_logger.debug("UNSUBSCRIBE : %s unsubsrcibes from topic(s) %s", name(listener), topics)
Publisher().unsubscribe(listener, topics)
