Python Flask

Flask is a framework for web applications written in Python. It is a minimal 'micro framework' that offers only the bare minimum for spinning up a server.

flask is the third-party module at the core of this framework.

Contents

Python Flask

Example Application

import flask
app = flask.Flask(__name__)

@app.route('/')
def index():
    return "Hello, World!"

if __name__ == '__main__':
    app.run()

Usage

To spin up a development server:

$ python example.py 
 * Serving Flask app "example" (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: off
 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

Configuration

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