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The previous implementation used Werkzeug’s default PBKDF2 hashing and allowed weak passwords with no protection against brute-force login attempts. I upgraded the system by implementing Argon2 password hashing, enforcing strong password validation rules, adding login rate limiting to prevent brute-force attacks, and securing session cookies with proper security configurations. |
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| .devcontainer | ||
| .github | ||
| docs | ||
| examples | ||
| src/flask | ||
| tests | ||
| .editorconfig | ||
| .gitignore | ||
| .pre-commit-config.yaml | ||
| .readthedocs.yaml | ||
| CHANGES.rst | ||
| LICENSE.txt | ||
| pyproject.toml | ||
| README.md | ||
| uv.lock | ||
Flask
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. It began as a simple wrapper around Werkzeug and Jinja, and has become one of the most popular Python web application frameworks.
Flask offers suggestions, but doesn't enforce any dependencies or project layout. It is up to the developer to choose the tools and libraries they want to use. There are many extensions provided by the community that make adding new functionality easy.
A Simple Example
# save this as app.py
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello():
return "Hello, World!"
$ flask run
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
Donate
The Pallets organization develops and supports Flask and the libraries it uses. In order to grow the community of contributors and users, and allow the maintainers to devote more time to the projects, please donate today.
Contributing
See our detailed contributing documentation for many ways to contribute, including reporting issues, requesting features, asking or answering questions, and making PRs.