My simple demo of how to use flask_login module without the need of a database or anything fancy. I also tried to implement an ip based limiter on the login route to try to avoid bruteforce based attacks.
# install dependencies
pip install flask flask-login Flask-Limiter
# Add users
./users.py
# run
flask run
# or
python3 main.py
The users folder will be created where each user get his file on the format: {username}.hash which containing his hashed password.