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- Welcome to Flask — Flask Documentation (3. 1. x)
Flask is a lightweight WSGI web application framework It is designed to make getting started quick and easy, with the ability to scale up to complex applications Get started with Installation and then get an overview with the Quickstart
- Quickstart — Flask Documentation (3. 1. x) - Read the Docs
When Flask starts its internal request handling it figures out that the current thread is the active context and binds the current application and the WSGI environments to that context (thread) It does that in an intelligent way so that one application can invoke another application without breaking
- Installation — Flask Documentation (3. 1. x)
Flask is now installed Check out the Quickstart or go to the Documentation Overview
- Tutorial — Flask Documentation (3. 1. x) - Read the Docs
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 might decide to use Extensions or other libraries to make some tasks simpler Flask is flexible
- API — Flask Documentation (3. 1. x)
This part of the documentation covers all the interfaces of Flask For parts where Flask depends on external libraries, we document the most important right here and provide links to the canonical documentation
- 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
- Application Structure and Lifecycle — Flask Documentation (3. 1. x)
Flask makes it pretty easy to write a web application But there are quite a few different parts to an application and to each request it handles Knowing what happens during application setup, serving, and handling requests will help you know what’s possible in Flask and how to structure your application
- Uploading Files — Flask Documentation (3. 1. x)
Because the common pattern for file uploads exists almost unchanged in all applications dealing with uploads, there are also some Flask extensions that implement a full fledged upload mechanism that allows controlling which file extensions are allowed to be uploaded
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