server.py


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#!/usr/bin/env python3
"""aiohttp based webserver running a cyberschuessel app"""
import argparse
import logging
import os

import jinja2

import aiohttp_jinja2
from aiohttp import web

from schuessel import Schuessel


async def init_app():
    """Create and initialize a new cyberschuessel aiohttp app"""
    app = web.Application()
    app.on_shutdown.append(shutdown)

    schuessel = Schuessel()
    app['schuessel'] = schuessel

    # aiohttp_jinja2.setup(app,
    # loader=jinja2.PackageLoader('cyberschuessel',
    # 'templates'))

    template_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),
                                 "templates")

    aiohttp_jinja2.setup(app, loader=jinja2.FileSystemLoader(template_path))

    app.router.add_get('/', schuessel.handler)

    return app


async def shutdown(app):
    """shutdown a cyberschuessel aiohttp app"""
    await app['schuessel'].close_all()


def main(args):
    """init and run a cyberschuessel aiohttp app"""
    logging.basicConfig(level=logging.DEBUG)

    app = init_app()
    web.run_app(app, port=args.port)


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description="aiohttp server example")
    parser.add_argument('--port', type=int, default=80)

    main(parser.parse_args())