Core Python Programming

10.10. Why Exceptions (Now)?

There is no doubt that errors will be around as long as software is around. The difference in today's fast-paced computing world is that our execution environments have changed, and so has our need to adapt error-handling to accurately reflect the operating context of the software which we develop. Modern-day applications generally run as self-contained graphical user interfaces (GUIs) or in a client-server architecture such as the Web.

The ability to handle errors at the application level has become even more important recently in that users are no longer the only ones directly running applications. As the Internet and online electronic commerce become more pervasive, web servers will be the primary users of application ...