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A simple framework for building complex web applications.

Project description

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.

Installing

Install and update using pip:

pip install -U Flask

A Simple Example

from flask import Flask

app = Flask(__name__)

@app.route("/")
def hello():
    return "Hello, World!"
$ env FLASK_APP=hello.py flask run
 * Serving Flask app "hello"
 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

Contributing

For guidance on setting up a development environment and how to make a contribution to Flask, see the contributing guidelines.

Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Files for Flask, version 1.1.1
Filename, size File type Python version Upload date Hashes
Filename, size Flask-1.1.1-py2.py3-none-any.whl (94.5 kB) File type Wheel Python version py2.py3 Upload date Hashes View hashes
Filename, size Flask-1.1.1.tar.gz (625.5 kB) File type Source Python version None Upload date Hashes View hashes

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