Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases now! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Learning Python Application Development

You're reading from   Learning Python Application Development Take Python beyond scripting to build robust, reusable, and efficient applications

Arrow left icon
Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781785889196
Length 454 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Ninad Sathaye Ninad Sathaye
Author Profile Icon Ninad Sathaye
Ninad Sathaye
Arrow right icon
View More author details
Toc

Table of Contents (12) Chapters Close

Preface 1. Developing Simple Applications FREE CHAPTER 2. Dealing with Exceptions 3. Modularize, Package, Deploy! 4. Documentation and Best Practices 5. Unit Testing and Refactoring 6. Design Patterns 7. Performance – Identifying Bottlenecks 8. Improving Performance – Part One 9. Improving Performance – Part Two, NumPy and Parallelization 10. Simple GUI Applications Index

Revisiting Attack of the Orcs v1.0.0

The heal feature added in v1.0.0 became a hit among the core users. The OOP approach put you in a better position to implement new features (or so you thought!). As the feature requests started pouring in, so did the reported bugs.

The game is OK, but there are several annoyances. For example, when prompted to choose a hut, sometimes I input a number greater than 5 or input a character by mistake. After this, it just prints some weird error message and the application terminates. Can you fix this?

Revisiting Attack of the Orcs v1.0.0

Debugging the problem

Let's try to reproduce the reported problem. Run the example from Chapter 1, Developing Simple Applications:

$ python ch01_ex03.py

When prompted for the hut number, enter any character, as shown in the following screenshot:

Debugging the problem

The application is terminated with an error traceback in the console. A traceback is a snapshot of the call stack at the point where the exception (the error) occurred. In this particular example, the _process_user_choice...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime