Python Pydantic Tutorial: Complete Data Validation Course (Used by FastAPI)
Corey Schafer
@coreymsAbout
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Video Description
In this video, we'll be learning how to use Pydantic, Python's most popular data validation library. Pydantic uses type hints to validate data at runtime, ensuring that the data coming into your application meets your expectations. We'll cover everything from basic model creation and field validation to custom validators, type coercion, nested models, and model configurations. We'll also see why Pydantic is so widely used in libraries like FastAPI, data processing pipelines, and AI tools. If you've ever struggled with messy manual validation code or data that isn't the right type or format, Pydantic will make your life much easier. Let's get started... The code from this video can be found here: https://gist.github.com/26fbfae9fb2ad293cc431530e8932855 Type Hinting tutorial - https://youtu.be/RwH2UzC2rIo UV tutorial - https://youtu.be/AMdG7IjgSPM Mutable Default Arguments video: https://youtu.be/_JGmemuINww Regular Expressions tutorial: https://youtu.be/K8L6KVGG-7o Python Object-Oriented playlist: https://www.youtube.com/playlist?list=PL-osiE80TeTsqhIuOqKhwlXsIBIdSeYtc Pydantic documentation: https://docs.pydantic.dev/ Pydantic types reference: https://docs.pydantic.dev/latest/api/types/ More Pydantic types: https://docs.pydantic.dev/latest/api/networks/ ✅ Support My Channel Through Patreon: https://www.patreon.com/coreyms ✅ Become a Channel Member: https://www.youtube.com/channel/UCCezIgC97PvUuR4_gbFUs5g/join ✅ One-Time Contribution Through PayPal: https://goo.gl/649HFY ✅ Cryptocurrency Donations: Bitcoin Wallet - 3MPH8oY2EAgbLVy7RBMinwcBntggi7qeG3 Ethereum Wallet - 0x151649418616068fB46C3598083817101d3bCD33 Litecoin Wallet - MPvEBY5fxGkmPQgocfJbxP6EmTo5UUXMot ✅ Corey's Public Amazon Wishlist http://a.co/inIyro1 ✅ Equipment I Use and Books I Recommend: https://www.amazon.com/shop/coreyschafer ▶️ You Can Find Me On: My Website - http://coreyms.com/ My Second Channel - https://www.youtube.com/c/coreymschafer Facebook - https://www.facebook.com/CoreyMSchafer Twitter - https://twitter.com/CoreyMSchafer Instagram - https://www.instagram.com/coreymschafer/ #Python #Pydantic
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