Modern Python through FastAPI and friends - PyCon Sweden

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Modern Python through and friends

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Who am I? Sebastián Ramírez github.com/tiangolo linkedin.com/in/tiangolo twitter.com/tiangolo tiangolo.com Berlin, Germany I created:

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● Python Web API framework ● 60K+ GitHub stars (about 1K+ per month) ● Used by Microsoft, Uber, Netﬂix, etc. ● Performance in the top rank for Python ● 3rd most used (Python Developers Survey) ● Fastest growth (Python Developers Survey) ● 3rd most loved (StackOverﬂow Developer Survey) @tiangolo

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Modern Python Currently supported versions (3.7+) 📝 f-strings 🧙 Type annotations ⏱ async / await ⚡ Performance 👥 Community ● Pydantic ● HTTPX ● Starlette ● Uvicorn ● Uvloop ● Rich ● Click @tiangolo ● Pydantic ● SQLAlchemy

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Modern Python 📝 f-strings (formatted strings) @tiangolo

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📝 f-strings (formatted strings) @tiangolo

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📝 f-strings (formatted strings) @tiangolo

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📝 f-strings (formatted strings) @tiangolo

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📝 f-strings (formatted strings) @tiangolo

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📝 f-strings (formatted strings) @tiangolo

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Modern Python 🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) - autocompletion @tiangolo

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🧙 Type annotations (type hints) - autocompletion @tiangolo

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🧙 Type annotations (type hints) - autocompletion @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) - error detection @tiangolo

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🧙 Type annotations (type hints) - error detection @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) - error detection @tiangolo

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🧙 Type annotations (type hints) - error detection @tiangolo

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🧙 Type annotations (type hints) - error detection @tiangolo

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🧙 Type annotations (type hints) - error detection @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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🧙 Type annotations (type hints) @tiangolo

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Some of the people behind: Jukka Lehtosalo Ivan Levkivskyi Michael J. Sullivan @JukkaLeh @JukkaL @ILevkivskyi @ilevkivskyi @msully4321 @msullivan 🧙 Type annotations (type hints) @tiangolo

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Modern Python 🧙 Type annotations with @tiangolo

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🧙 Type annotations with FastAPI @tiangolo

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🧙 Type annotations with FastAPI @tiangolo

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🧙 Type annotations with FastAPI - autocompletion @tiangolo

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🧙 Type annotations with FastAPI - autocompletion @tiangolo

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🧙 Type annotations with FastAPI - error detection @tiangolo

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http://127.0.0.1:8000/docs FastAPI - API documentation @tiangolo

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FastAPI - API documentation @tiangolo

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FastAPI - API documentation @tiangolo

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FastAPI - data validation @tiangolo

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FastAPI - data validation @tiangolo

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FastAPI - data validation @tiangolo

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FastAPI - data conversion http://127.0.0.1:8000/recipes/crunchy-frog?quantity=2 @tiangolo

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FastAPI - data conversion @tiangolo

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FastAPI - Type hints @tiangolo

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● OpenAPI ● JSON Schema ● OAuth2 🔄 Automatic data conversion ✨ ✅ Automatic data validation ✨ FastAPI is based on standards 📝 Automatic API docs ✨ ● Standard type annotations @tiangolo

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Modern Python 🧙 Type annotations with @tiangolo

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Type annotations with Typer @tiangolo

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Type annotations with Typer @tiangolo

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Typer - automatic help errors @tiangolo

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Typer - CLI Arguments @tiangolo

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Typer - CLI Options @tiangolo

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Typer - validation @tiangolo

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Typer - shell (TAB) completion @tiangolo

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Typer @tiangolo

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Modern Python 🧙 Type annotations with and Rich @tiangolo

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Typer with Rich @tiangolo

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Typer with Rich @tiangolo

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Typer with Rich @tiangolo

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David Lord Click maintainer Will McGugan Rich creator @davidism @davidism @willmcgugan @willmcgugan Typer and friends - the people behind @tiangolo

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Modern Python 🧙 Type annotations with and Pydantic @tiangolo

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FastAPI with Pydantic @tiangolo

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FastAPI with Pydantic @tiangolo

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FastAPI with Pydantic - API documentation @tiangolo

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FastAPI with Pydantic - interactive API docs @tiangolo

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FastAPI with Pydantic - interactive API docs @tiangolo

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FastAPI with Pydantic - data validation @tiangolo

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FastAPI with Pydantic - data validation @tiangolo

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FastAPI with Pydantic - nested data @tiangolo

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FastAPI with Pydantic - nested data @tiangolo

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FastAPI with Pydantic - autocompletion @tiangolo

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FastAPI with Pydantic - autocompletion @tiangolo

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FastAPI with Pydantic - error detection @tiangolo

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Samuel Colvin Pydantic creator David Montague Pydantic and FastAPI notorious contributor @samuel_colvin @samuelcolvin @dmontagu FastAPI - the people behind Tom Christie Creator of Starlette (and more) @starletdreaming @tomchristie @tiangolo @david_montague_

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Modern Python 🧙 Type annotations with and @tiangolo

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FastAPI with SQLModel @tiangolo

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FastAPI with SQLModel @tiangolo

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FastAPI with SQLModel @tiangolo

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FastAPI with SQLModel @tiangolo

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FastAPI with SQLModel @tiangolo

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Samuel Colvin Pydantic creator @samuel_colvin @samuelcolvin SQLModel - the people behind Mike Bayer SQLAlchemy creator @zzzeek @zzzeek @tiangolo

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Modern Python ⏱ async / await @tiangolo

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⏱ async / await - concurrency @tiangolo

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⏱ async / await - concurrency @tiangolo

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⏱ async / await - concurrency Photo by John Cameron: https://unsplash.com/@john_cameron @tiangolo

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⏱ async / await - concurrency @tiangolo

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⏱ async / await - concurrency @tiangolo

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⏱ async / await - concurrency Photo by Kate Townsend: https://unsplash.com/@k8townsend @tiangolo

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⏱ async / await - concurrency @tiangolo

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⏱ async / await - FastAPI and HTTPX @tiangolo

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⏱ async / await - FastAPI and HTTPX @tiangolo

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⏱ async / await - FastAPI and HTTPX @tiangolo

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⏱ async / await - optional with FastAPI and HTTPX @tiangolo

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⏱ async / await - optional with FastAPI and HTTPX @tiangolo

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FastAPI async / await - the people behind Tom Christie Creator of Starlette, HTTPX, and more @starletdreaming @tomchristie Marcelo Trylesinski Co-maintainer of Starlette and Uvicorn @marcelotryle @Kludex Andrew Godwin Author of the ASGI speciﬁcation @andrewgodwin @andrewgodwin @tiangolo

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⚡ Performance with FastAPI @tiangolo

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⚡ Performance with FastAPI @tiangolo

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⚡ Performance with FastAPI @tiangolo Now in Rust

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@tiangolo ⚡ Performance with FastAPI

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⚡ Performance with FastAPI @tiangolo

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⚡ Performance - the people behind Tom Christie Creator of Starlette, Uvicorn, and more @_tomchristie @tomchristie Yury Selivanov Creator of Uvloop @1st1 @1st1 Stefan Behnel Maintainer of Cython @scoder @tiangolo

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👥 Community ● All by normal people 👥 ● Mostly during free time ⏰ ● Trying to help others ✨ @tiangolo

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👥 Community @tiangolo

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👥 Community - FastAPI You can help too! 🚀 ● Translate a page 👥 ● Review translations from others 🔍 ● Answer questions from others 🗣 ● Help with bugs and features 🤓 ● Help with other projects 󰠁󰞵 https://fastapi.tiangolo.com/help-fastapi/ https://fastapi.tiangolo.com/contributing/#translations @tiangolo

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Thank you! Sebastián Ramírez tiangolo.com fastapi.tiangolo.com github.com/tiangolo linkedin.com/in/tiangolo twitter.com/tiangolo