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Pykka (actor model implementation) and Injector (dependency injection framework) integration module

Project description

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pykka-injector is a module uniting Injector (Dependency Injection framework) and Pykka (Python implementation of the actor model). It’s only purpose is to allow you to inject dependencies into Pykka Actors.

Works with:

  • CPython 2.x >= 2.6, 3.x >= 3.2
  • PyPy >= 1.9

Platform independent.

Usage example

from injector import inject, Injector, InstanceProvider, Key, singleton
from pykka import ThreadingActor
from pykka_injector import ActorStarter

Config = Key('Config')

class MyActor(ThreadingActor):
    @inject(config=Config)
    def __init__(self, config, user):
        self.config = config
        self.user = user

def configure(binder):
    binder.bind(
        Config,
        to=InstanceProvider(dict(environment='dev')),
        scope=singleton,
    )

if __name__ == '__main__':
    injector = Injector(configure)
    starter = injector.get(ActorStarter)
    actor_ref = starter.start(MyActor, kwargs=dict(user='root'))

    actor_proxy = actor_ref.proxy()
    print(actor_proxy.config.get(), actor_proxy.user.get())

    actor_ref.stop()

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