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![Other tools [5] ● aiohttp_runserver ● aiohttp_cors ● aiohttp_traversal ● aiothrottle ● aiohttp_mako ● and more ... 27](https://image.slidesharecdn.com/behersky-160807210507/75/WebCamp-2016-Python-asyncio-27-2048.jpg)
![Debug $ Task was destroyed but it is pending! task: <Task pending coro=<fetch_bad() running at demo.py: 14> wait_for=<Future pending cb=[Task._wakeup(), BaseSelectorEventLoop._sock_connect_done(10)()]>> 30](https://image.slidesharecdn.com/behersky-160807210507/75/WebCamp-2016-Python-asyncio-30-2048.jpg)
![Debug $ ConnectionResetError: [Errno 54] Connect call failed ('127.0.0.1', 8080) $ OSError: [Errno 24] Too many open files 31](https://image.slidesharecdn.com/behersky-160807210507/75/WebCamp-2016-Python-asyncio-31-2048.jpg)
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WebCamp 2016: Python. Михаил Бегерский: Использование asyncio-стека для разработки веб-приложений.
The document serves as a guide for a Python developer at DataRobot, focusing on various tools and libraries such as database drivers, aiohttp components, and debugging methods. It also mentions production setups using Gunicorn and provides links to additional resources for enhancing Python asynchronous programming. The content emphasizes efficient architecture and debugging practices in Python development.
WebCamp 2016: Python. Михаил Бегерский: Использование asyncio-стека для разработки веб-приложений.
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- 2. About Python developer @DataRobot 2
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- 5. Database drivers ● aiocouchdb ●aiomysql ● aioredis ● aiozmq ● aioes ● aiopg ● aiokafka ● aioodbc ● aiomcache 5
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- 7. Faster postgre client? $pip install asyncpg 7
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- 11. aiohttp_debugtoolbar $ pip installaiohttp_debugtoolbar 11
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- 17. aiohttp_security ● AbstractIdentityPolicy ● AbstractAuthorizationPolicy ●remember() ● forget() ● authorized_userid() ● permits() 17
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- 20. Slowloris $ nmap --scripthttp-slowloris-check 127.0.0.1 -p 8080 20
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- 27. Other tools [5] ●aiohttp_runserver ● aiohttp_cors ● aiohttp_traversal ● aiothrottle ● aiohttp_mako ● and more ... 27
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- 29. Debug $ export PYTHONASYNCIODEBUG=1 ●explicit loop ● releasing resources ● awaititng coroutines $ python script.py -Wdefault 29
- 30. Debug $ Task wasdestroyed but it is pending! task: <Task pending coro=<fetch_bad() running at demo.py: 14> wait_for=<Future pending cb=[Task._wakeup(), BaseSelectorEventLoop._sock_connect_done(10)()]>> 30
- 31. Debug $ ConnectionResetError: [Errno54] Connect call failed ('127.0.0.1', 8080) $ OSError: [Errno 24] Too many open files 31
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- 36. Go production! $ gunicornapp_module:app --bind localhost:8080 --worker-class aiohttp.worker.GunicornWebWorker 36
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- 39. Resources 1. klen.github.io/py-frameworks-bench/ 2. emptysqua.re/blog/ 3.igordavydenko.com/talks/lvivpy-5/ 4. pawelmhm.github.io/asyncio/python/aiohttp/2016/04/22/asyncio-aiohttp.html 5. github.com/python/asyncio/wiki/ThirdParty 6. asvetlov.github.io/pytest-slides/ 39
- 40. Thanks for yourattention https://github.com/kpidata/webcamp16 bmwant@gmail.com @bmwant bmwlog.pp.ua 40
- 41. Let’s have somefun! my-mail [ at ] gmail [ dot ] com 41
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