Karrigell is a simple web programming solution, written in Python, designed for web sites with moderate traffic, such as personal sites running on a home computer. It also provides an easy way to develop stand-alone applications using a web interface

With Karrigell you have

Python scripts are executed in a "clean" namespace including HTTP environment, form fields and custom exceptions. When a form includes an <INPUT name="myfield"> field, the value is available in the script under the name _myfield

Two ways of mixing HTML and Python code are allowed :

For authentication and session, two functions (unsurprisingly named Authentication and Session) can be used in scripts. Authentication takes an authentication test function as first argument, which checks if the AUTH_USER and AUTH_PASSWORD are accepted. Session() is used to initialize or retrieve a session object to which attributes can be set or read

The Include(file_or_script) function inserts the output of the script or file inside the output of current script ; this is useful for headers or footers for instance. If it's a script it is executed in current namespace. With IncludeComponent(component) a reusable component (a set of scripts performing a given task : calendar, forum, etc) can be included in any page

The gadfly database can be used through the gadflyStorage module with a syntax similar to Python dictionaries instead of raw SQL requests

Karrigell comes with a detailed documentation (en français), and a set of demo files, including a minimal Wiki server

You can take a tour and see Karrigell in action !

Go to the Sourceforge project page to download Karrigell

See the article in Linux Gazette : Dynamic Web Content with Karrigell

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Last update 02 09 06