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        "author": "Agroptima S.L.",
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            "Development Status :: 5 - Production/Stable",
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            "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
            "Natural Language :: English",
            "Operating System :: OS Independent",
            "Programming Language :: Python",
            "Topic :: Utilities"
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        "description": "# Domain Events\n\n[![Build Status](https://travis-ci.org/agroptima/domain-events.svg)](https://travis-ci.org/agroptima/domain-events)\n[![License GPLv3](https://img.shields.io/badge/license-GPLv3-red.svg)](https://opensource.org/licenses/GPL-3.0)\n![Python versions](https://img.shields.io/badge/python-3.x-blue.svg)\n\nA lightweight library with an implementation of Pub-Sub.\n\n## Install\n\n```\n$ pipenv install domain-events\n```\n\nor\n\n```\n$ pip install domain-events\n```\n\n## Usage\n\n\nIn order to have the pub-sub working in your application, you'll need to write your own subscribers and to subscribe them to the publisher.\n\n`domain-events` provides an interface for subscribers that needs to be implemented by your own subscribers in the first place. Two methods are mandatory: `handle(self, event)` and `_events_subscribed_to(self)`. Following is an example of how to do it.\n\n```python\n\nfrom domain_events import Subscriber\n\n\nclass ExampleSubscriber(Subscriber):\n\n    def handle(self, event):\n      #  Logic to handle the occurring event\n\n    def _events_subscribed_to(self):\n      \"\"\" Return the tuple of events it is subscribed to. \"\"\"\n\n      return (AnEvent, AnotherEvent)\n```\n\nOnce the subscriber is implemented, you'll need to subscribe it to the event publisher.\n\n```python\n\nfrom domain_events import Publisher\n\nPublisher().subscribe(ExampleSubscriber())\n```\n\nNow, in order to publish an event, just call the `publish` method on the `Publisher` with one of your domain events.\n\n```python\nfrom domain_events import Event, Publisher\n\n\nclass AnEvent(Event):\n    pass\n\nPublisher().publish(AnEvent())\n```\n\nThe event will be passed on to the proper subscribers.\n",
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