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Bind views to exceptions for aiohttp

Project description

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Usage

import asyncio

from aiohttp import web
from aiohttp_exc_handlers import (
    exc_handlers_middleware,
    bind_exc_handler,
)


class CustomException(Exception):
    pass


async def custom_exception_handler(request, exc):
    return web.Response(text="Hello, {!s}!".format(exc))


async def hello(request):
    raise CustomException('world')


# add middleware
app = web.Application(middlewares=[exc_handlers_middleware])

# bind handler to exception
bind_exc_handler(app, CustomException, custom_exception_handler)

app.router.add_route('GET', '/', hello)

loop = asyncio.get_event_loop()
handler = app.make_handler()
f = loop.create_server(handler, '0.0.0.0', 8080)
srv = loop.run_until_complete(f)

try:
    loop.run_forever()
except KeyboardInterrupt:
    pass
finally:
    loop.run_until_complete(handler.finish_connections(1.0))
    srv.close()
    loop.run_until_complete(srv.wait_closed())
    loop.run_until_complete(app.finish())

loop.close()

Tests

$ pip install pytest
$ py.test tests.py

Project details


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