---
id: flask-login
version: "0.6.3"
license: MIT
license_treatment: permissive
maintenance: aging
---

# Flask-Login — User authentication and session management for Flask.

License: permissive · Maintenance: aging · Popularity: top 1,000 on PyPI

## Install

pip install flask-login
uv add flask-login
poetry add flask-login

## Description

# Flask-Login

![Tests](https://github.com/maxcountryman/flask-login/workflows/Tests/badge.svg)
[![coverage](https://coveralls.io/repos/maxcountryman/flask-login/badge.svg?branch=main&service=github)](https://coveralls.io/github/maxcountryman/flask-login?branch=main)
[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg)](LICENSE)

Flask-Login provides user session management for Flask. It handles the common
tasks of logging in, logging out, and remembering your users' sessions over
extended periods of time.

Flask-Login is not bound to any particular database system or permissions
model. The only requirement is that your user objects implement a few methods,
and that you provide a callback to the extension capable of loading users from
their ID.

## Installation

Install the extension with pip:

```sh
$ pip install flask-login
```

## Usage

Once installed, the Flask-Login is easy to use. Let's walk through setting up
a basic application. Also please note that this is a very basic guide: we will
be taking shortcuts here that you should never take in a real application.

To begin we'll set up a Flask app:

```python
import flask

app =...

## AI interpretation — verify before relying

Flask-Login provides user session management for Flask applications, handling login, logout, and persistent user sessions without tying you to any specific database or permissions model.

Verdict: Flask-Login is a stable, permissively licensed session-management extension for Flask with low install friction and no known vulnerabilities. Its aging maintenance status (last release October 2023) is typical for mature, feature-complete libraries, though potential users should monitor the repository for security updates.

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