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a simple python event bus

Project description

simple-event-bus


a simple python event bus

Install:

pip install simple_event_bus

Example:

import asyncio



from simple_event_bus import AsyncEventBus, Event, run_simple_event_source_async



app = AsyncEventBus()

tick_list = []





@app.listening("HeartBeat")

async def tick_collector(event: Event) -> None:

    print(event.now)

    tick_list.append(event)

    if len(tick_list) > 5:

        await app.publish_event("close_loop")





asyncio.get_event_loop().run_until_complete(run_simple_event_source_async(app))

Features

  • EventBus

  • AsyncEventBus

  • EventBus.run_forever function

  • EventBus.publish_event accept Event , EVENT_TYPE and str.

  • Event can get current_app

  • listening function args check

  • add remove method

  • allow no param method to listening

  • Independent event sources

  • add before event listener and after event listener


This project use black, please set Continuation indent = 4

Pycharm - File - Settings - Editor - Code Style - Python - Tabs and Indents

Use flake8 to check your code style.

simple_event_bus history

0.0.4

  • fix error package

0.0.3

  • independent event sources

  • add remove method

  • allow no param method to listening

0.0.2

  • fix publish_event can not accept str event.

0.0.1

  • Basic functions completed

0.0.0

  • first commit

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