Flask

Flask

Short introduction guide on Flask. http://flask.pocoo.org/ (Used for XPPL, so to see a more advanced use in connection with database, see XPPL)

Basic Flask

Flask is a microframework for python to create web applications. It basically connects the webserver with your python code.

Install

$ pip install Flask

Simple text serving

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello():
    return "Hello World!"

• with @app.route you can define the url flask respons to.
• the function definition after is mandetory as well as the return.
• everything that comes after return gets sent back to the browser (http GET request)

Run it with:

$ FLASK_APP=hello.py flask run