Flask is a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Flask is a microframework for Python based on Werkzeug and Jinja2. It's intended for getting started very quickly and was developed with best intentions in mind.
It's still not 1.0 but it's shaping up nicely and is already widely used. Consider the API to slightly improve over time but we don't plan on breaking it.
Source: github