Book Image

Django Design Patterns and Best Practices

By : Arun Ravindran
Book Image

Django Design Patterns and Best Practices

By: Arun Ravindran

Overview of this book

Table of Contents (19 chapters)
Django Design Patterns and Best Practices
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Debugging


Despite the most rigorous testing, the sad reality is, we still have to deal with bugs. Django tries its best to be as helpful as possible while reporting an error to help you in debugging. However, it takes a lot of skill to identify the root cause of the problem.

Thankfully, with the right set of tools and techniques, we can not only identify the bugs but also gain great insight into the runtime behavior of your code. Let's take a look at some of these tools.

Django debug page

If you have encountered any exception in development, that is, when DEBUG=True, then you would have already seen an error page similar to the following screenshot:

Since it comes up so frequently, most developers tend to miss the wealth of information in this page. Here are some places to take a look at:

  • Exception details: Obviously, you need to read what the exception tells you very carefully.

  • Exception location: This is where Python thinks where the error has occurred. In Django, this may or may not be where...