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Pub sub implementation

Project description

Event Channel

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Another library with a pub/sub implementation. You can subscribe functions to a certain topic (aka event). When a message is sent through this event callback functions subscribed will be executed.

from event_channel import EventChannel

mychannel = EventChannel() # You can also import channel, is an instance already created

def callback(x):
    x = x + 1
    print(x)

mychannel.subscribe("myevent", callback)

mychannel.publish("myevent", 345)

channel.unsubscribe("myevent", callback)
from event_channel.threaded_event_channel import ThreadedEventChannel

mychannel =  ThreadedEventChannel(blocking=False) # You can also import non_blocking_channel, is an instance already created

def callback(x):
    x = x + 1
    print(x)

mychannel.subscribe("myevent", callback)
mychannel.subscribe("myevent", callback2)

threads = mychannel.publish("myevent", 345)

# Wait thread finish
for thread in threads:
    thread.join()
from event_channel.threaded_event_channel import ThreadedEventChannel

my_blocking_channel = ThreadedEventChannel() # You can also import channel, is an instance already created

def callback(x):
    x = x + 1
    print(x)

mychannel.subscribe("myevent", callback)
mychannel.subscribe("myevent", callback2)

threads = mychannel.publish("myevent", 345)
#at this point all threads are finished

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