Bottle (web framework)

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Developer(s)Marcel Hellkamp
Initial releaseJuly 1, 2009; 12 years ago (2009-07-01)
Stable release
0.12.19[1] Edit this on Wikidata / 12 November 2020; 11 months ago (12 November 2020)
RepositoryBottle Repository
Written inPython
Operating systemCross-platform
TypeWeb framework
LicenseMIT Edit this at Wikidata

Bottle is a WSGI micro web-framework for the Python programming language. It is designed to be fast, simple and lightweight, and is distributed as a single file module with no dependencies other than the Python Standard Library. The same module runs with Python 2.7 and 3.x.[2]

It offers request dispatching (routes) with URL parameter support, templates, a built-in web server and adapters for many third-party WSGI/HTTP-server and template engines.[3]

It is designed to be lightweight, and to allow development of web applications easily and quickly.[4]


  • Single file which runs with both Python 2.5 and 3.x
  • Can run as a standalone web server or be used behind ("mounted on") any web server which supports WSGI
  • Built-in template engine called SimpleTemplate Engine
  • Support for JSON client data (for REST and JavaScript clients)
  • Plugins for popular databases and key/value stores and other features[5]


A simple "Hello World!"

from bottle import route, run, template

def index(name):
    return template('<b>Hello {{name}}</b>!', name=name)

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

See also[edit]


  1. ^ "Release 0.12.19". 12 November 2020. Retrieved 18 December 2020.
  2. ^ Bottle website
  3. ^ Web Frameworks for Python
  4. ^ Digital Ocean Bottle tutorial
  5. ^ List of available Plugins

External links[edit]