Organizing Code in Modules

The Python module is an important focus. Every application or web service has at least one module. Even a seemingly “simple” Python script is a module. Inside any one module, we can specify variables, classes, or functions. They can be a handy way to store the global state without namespace conflicts.

Example

For example, we have been importing the Database class into various modules and then instantiating it, but it might make more sense to have only one database object globally available from the database module. The database module might look like this: