See the previous sections, starting with the first on finding an ancient CGI script.

We don't need an OpenAPI specification. But, it is so helpful to formalize the behavior of a web site that it's hard for me to imagine working without it.

In this case, the legacy script only …

Be sure to see the original script and the test cases in the prior posts.

We need to understand a little about what a web request is. This can help us do the refactoring.

It can help to think of a web server a function that maps a request to …

See "We have an ancient Python2 CGI script -- what do we do?" The previous post in this series provides an overview of the process of getting rid of legacy code.

Here's some code. I know it's painfully long; the point is to provide a super-specific, very concrete example of what …

This was a shocking email: the people have a Python 2 CGI script. They needed advice on Python 2 to 3 migration.

Here's my advice on a Python 2 CGI script: Throw It Away.

A great deal of the CGI processing is part of the wsgi module, as well as …