Exception Handling In DTML - Pre-Packaged Python

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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

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