February 2013
Intermediate to advanced
304 pages
6h 45m
English
Content preview from Programming ArcGIS 10.1 with Python CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Exploring the default Python error message
By default, Python will generate an error message anytime it encounters a problem in your script. These error messages will not always be very informative to the end user running the script. However, it is valuable to take a look at these raw messages. In later recipes, we'll use Python error handling structures to get a cleaner look at the errors and respond as necessary.
Getting ready
In this recipe, we will create and run a script that intentionally contains error conditions. We will not include any geoprocessing or Python exception handling techniques in the script. We're intentionally doing this, because I want you to see the error information returned by Python.
How to do it…
Follow the steps below ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.