ticdenis / python-aioapp

Python library for simple and lightweight application wrapper

Async Python application

pyaioapp is a Python library for simple and lightweight application wrapper.

Installation

Use the package manager pip to install pyaioapp.

pip install pyaioapp

Usage

from asyncio import get_event_loop, AbstractEventLoop
from pyaioapp import AsyncApplication
from aiohttp.web import Application, run_app
from typing import Dict as Container, Any

SETTINGS = {
    'DEBUG': '0', 'DEBUG_HOST': '0.0.0.0', 'DEBUG_PORT': '5678',
    'HTTP_HOST': '0.0.0.0', 'HTTP_PORT': '80'
}


async def get_container(settings: dict, **kwargs) -> Container:
    container = {}
    # ...
    return container


async def get_runner(container: Container) -> Application:
    runner = Application()
    # ...
    return runner


class HttpApp(AsyncApplication[Container, Application]):
    async def __aenter__(self) -> Application:
        self._container = await get_container(SETTINGS, loop=self.loop)
        self._runner = await get_runner(self._container)
        return self._runner

    def __call__(self) -> None:
        run_app(
            app=self.__aenter__(),
            host=str(SETTINGS['HTTP_HOST']),
            port=int(SETTINGS['HTTP_PORT'])
        )


def main(loop: AbstractEventLoop) -> Any:
    if SETTINGS['DEBUG'] == '1':
        from ptvsd import enable_attach  # type: ignore
        enable_attach(
            address=(SETTINGS['DEBUG_HOST'], int(SETTINGS['DEBUG_PORT']))
        )
    return HttpApp(loop).__call__()


if __name__ == '__main__':
    main(get_event_loop())

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT