November 2001
Beginner
320 pages
5h 53m
English
Content preview from Perl To Python MigrationBecome 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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THE EXCEPTION SYSTEM
We'll be looking at the specifics of the exception system shortly, but before we do that keep in mind the following:
Exceptions are used throughout Python – during the parsing process of a Python script, any faults in the syntax are highlighted by raising a SyntaxError exception. Exceptions in Python are not a bolt-on feature, they are used by the interpreter itself as a way of highlighting problems.
Exceptions are classes – all exceptions are based on the Exception class and follow a strict hierarchy. This allows you to trap a general exception such as ArithmeticError, or a more specific problem such as ZeroDivisionError.
Exceptions are “dumb” – exceptions can pass objects and error information, they are simply a semaphore ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.