In this section, we'll discuss how to incorporate the domain services class with the web support classes to produce a simple web application. To accomplish this, we'll create three Python scripts to handle different aspects of the three main phases. Each Python web script makes use of one (or more) of the domain service classes. The flow for this discussion is illustrated in the following diagram:
Before we dive into the coding details, let's have a quick look at configuring Apache for simple Python Common Gateway Interface (CGI) script processing.