Pydantic
Data Validation Made Easy

Fast, extensible data validation using Python type hints. Build robust, maintainable applications with Pydantic.

⚡️Blazing Fast Performance
🐍Seamless Integration with Python
⚙️Extensible & Customizable

Introduction Why Choose Pydantic for Data Validation?

Pydantic is a powerful Python library for data validation using Python type hints. It helps you define how your data should look, then validates it, providing clear error messages and simplifying data handling in your projects. It's designed to work seamlessly with your IDE and linters, making development smoother.

Unlike other validation libraries, Pydantic prioritizes performance and ease of use. This makes it ideal for a wide range of applications, from small scripts to large-scale APIs and data processing pipelines. The library provides a clear path to building robust and reliable applications.

Key Features of Pydantic

Speed and Efficiency: Pydantic is designed for speed. Its core is built for performance, allowing it to handle large datasets and complex validation rules efficiently.

Type Hinting Integration: Leveraging the power of Python's type hints, Pydantic makes data validation declarative and easy to read. This leads to cleaner and more maintainable code.

Extensibility: Customize and extend Pydantic to fit your specific needs. Add custom validators, serializers, and more to ensure your data meets your project’s requirements.

Error Handling: Receive detailed and informative error messages that pinpoint the exact validation failures, making debugging simple.

Integration with Popular Frameworks: Works seamlessly with frameworks like FastAPI, helping to quickly build APIs with robust data validation and automatic documentation.

Pydantic V1 vs. V2: What's New?

Pydantic V2 represents a significant rewrite with many performance improvements and new features, but also introduces some breaking changes compared to V1. Consider reviewing the official documentation and changelogs if you are migrating.

The latest versions are continually evolving, so refer to the changelogs to stay updated on bug fixes, performance enhancements, and new features. The release notes are a valuable resource for understanding changes and updates.

Getting Started: Installation and Usage

Install Pydantic using pip: pip install pydantic.

To enhance speed, check the documentation for advanced installation options. This might involve using specific compilers or dependencies to optimize the core components. Experiment to fit your performance needs.

For detailed usage examples, consult the documentation, and explore various examples showing how to define models, validate data, and handle errors effectively.

Pydantic simplifies data validation, allowing developers to focus on building features instead of worrying about data integrity.

Pydantic Team

Explore Pydantic Further

Dive into the world of Pydantic with these resources

📚

Comprehensive Documentation

Access detailed guides, tutorials, and API references to master Pydantic.

💻

GitHub Repository

Explore the source code, contribute, and stay updated on the latest developments.

💡

Practical Examples

See how to use Pydantic for real-world data validation tasks.

Contributing How to Contribute to Pydantic

Interested in contributing to Pydantic? The project welcomes contributions from the community! Visit the 'Contributing to Pydantic' section in the documentation for detailed guidelines.

This section includes information on setting up a development environment, submitting pull requests, and participating in discussions. Your contributions are valued!

Security Reporting Vulnerabilities

If you discover a security vulnerability in Pydantic, please report it responsibly. The project follows a defined security policy for handling such issues.

Refer to the security policy on how to report vulnerabilities. This information is essential for maintaining the security of projects using Pydantic.