Welcome to Flask — Flask Documentation (3.1.x)
Flask provides configuration and conventions, with sensible defaults, to get started. This section of the documentation explains the different parts of the Flask framework and how they can be …
Installation — Flask Documentation (3.1.x)
Virtual environments are independent groups of Python libraries, one for each project. Packages installed for one project will not affect other projects or the operating system’s packages.
Quickstart — Flask Documentation (3.1.x)
Flask provides a really simple way to give feedback to a user with the flashing system. The flashing system basically makes it possible to record a message at the end of a request and …
Tutorial — Flask Documentation (3.1.x)
Check out the Quickstart for an overview of what Flask can do, then dive into the docs to find out more. The tutorial only uses what’s provided by Flask and Python. In another project, you …
欢迎来到 Flask 的世界 — Flask Documentation (3.1.x)
本部分文档将介绍 Flask 框架的各个组成部分，以及如何使用、定制和扩展它们。 除了 Flask 本身，还可以查找由社区维护的扩展，以添加更多功能。
Testing Flask Applications — Flask Documentation (3.1.x)
Testing Flask Applications ¶ Flask provides utilities for testing an application. This documentation goes over techniques for working with different parts of the application in tests. We will use the …
API — Flask Documentation (3.1.x)
Flask parses incoming request data for you and gives you access to it through that global object. Internally Flask makes sure that you always get the correct data for the active thread if you are …
Project Layout — Flask Documentation (3.1.x)
Then follow the installation instructions to set up a Python virtual environment and install Flask for your project. The tutorial will assume you’re working from the flask-tutorial directory from now on.
Using async and await — Flask Documentation (3.1.x)
These libraries patch low-level Python functions to accomplish this, whereas async / await and ASGI use standard, modern Python capabilities. Deciding whether you should use Flask, …
Patterns for Flask — Flask Documentation (3.1.x)
These types of patterns may be a bit outside the scope of Flask itself, but Flask makes it easy to implement them. Some common patterns are collected in the following pages.