Pre-Packaged Python - Zope

Ever wondered if there was a way to stop Zope from barfing error messages all over your screen when one of your scripts crashes and burns? Well, guess what - there is! Meet the and tags, which can be used to trap and resolve errors in script execution.

TABLE OF CONTENTS:

By: Harish Kamath, (c) Melonfire

Poor Best

Rating:

/ 1

August 13, 2002

print this article

SEARCH DEV SHED

TOOLS YOU CAN USE

There are a number of standard exceptions are built into Python (and, therefore, Zope and DTML). Here they are:

IOError - generated when an I/O operation fails;

ImportError - generated when a module import fails;

IndexError - generated when an attempt is made to access a non-existent element index;

KeyError - generated when an attempt is made to access a non-existent dictionary key;

MemoryError - generated when an out-of-memory error occurs;

NameError - generated when an attempt is made to access a non-existent variable;

SyntaxError - generated when the interpreter finds a syntax error;

TypeError - generated when an attempt is made to run an operation on an incompatible object type;

ZeroDivisionError - generated when an attempt is made to divide by zero.

For a complete list, take a look at http://www.python.org/doc/current/lib/module-exceptions.html

Next: Endzone >>