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Bottle: Python Web Framework

Bottle is a fast, simple and lightweight WSGI micro web-framework for Python. It is distributed as a single file module and has no dependencies other than the Python Standard Library.

Example: "Hello World" in a bottle

from bottle import route, run

def index(name='World'):
    return '<b>Hello %s!</b>' % name

run(host='localhost', port=8080)

Run this script or paste it into a Python console, then point your browser to http://localhost:8080/hello/world. That's it.

Download and Install

Install the latest stable release via PyPi (easy_install -U bottle) or download (unstable) into your project directory. There are no hard [1] dependencies other than the Python standard library. Bottle runs with Python 2.5+ and 3.x.

User's Guide

Start here if you want to learn how to use the bottle framework for web development. If you have any questions not answered here, feel free to ask the mailing list.

Knowledge Base

A collection of articles, guides and HOWTOs.

Development and Contribution

These chapters are intended for developers interested in the bottle development and release workflow.


Code and documentation are available according to the MIT License:

The Bottle logo however is NOT covered by that license. It is allowed to use the logo as a link to the bottle homepage or in direct context with the unmodified library. In all other cases please ask first.


[1]Usage of the template or server adapter classes of course requires the corresponding template or server modules.
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