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concise publish/subscribe utility

Project description

A concise Publish/Subscribe utility module. It supports both free-form signal names and a stricter style where signals are declared first. You can also mix them.

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Usage

import smoke

class MyCls(smoke.Broker):
    appears = smoke.signal('appears')
    leaves = smoke.signal('leaves')

def say_hello(what):
    print("hello %s" % (what,))

def say_goodbye(what):
    print("good bye %s" % (what,))

# Using broker
o = MyCls()
o.subscribe("appears", say_hello)
o.publish("appears", what='world')

# Using declared signals
o = MyCls()
o.leaves.subscribe(say_goodbye)
o.leaves.publish(what='world')

# Mixing
o = MyCls()
o.subscribe("appears", say_hello)
o.appears.publish()

Project details


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