
YOU SHOULD USE https://github.com/lepture/authlib
Flask Oauthlib is an essential tool for developers looking to integrate OAuth functionality into their Flask applications. It streamlines the process of authenticating users and managing tokens, making it easier to secure web applications. This library is particularly useful for those who want to implement standard OAuth workflows without the hassle of dealing with the underlying complexities.
As a popular choice among developers, Flask Oauthlib offers a flexible and robust framework that allows for custom implementations. Its compatibility with various authentication providers also makes it a versatile option for different project requirements. Whether you're building a new application or enhancing an existing one, this library lays the groundwork for efficient authentication.

Flask is a lightweight and popular web framework for Python, known for its simplicity and flexibility. It is widely used to build web applications, providing a minimalistic approach to web development with features like routing, templates, and support for extensions.