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 …

Quickstart ¶ Eager to get started? This page gives a good introduction to Flask. Follow Installation to set up a project and install Flask first. A Minimal Application ¶ A minimal Flask application …

Flask is now installed. Check out the Quickstart or go to the Documentation Overview.

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.

This section of the documentation explains the different parts of the Flask framework and how they can be used, customized, and extended. Beyond Flask itself, look for community …

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 …

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.

The first step in creating a Flask application is creating the application object. Each Flask application is an instance of the Flask class, which collects all configuration, extensions, and …

Routes, error handlers, before request, after request, and teardown functions can all be coroutine functions if Flask is installed with the async extra (pip install flask[async]). This allows views to …

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 …