diff options
Diffstat (limited to 'Lib/exceptions.py')
| -rw-r--r-- | Lib/exceptions.py | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/Lib/exceptions.py b/Lib/exceptions.py index 37b9590..9bfa0bc 100644 --- a/Lib/exceptions.py +++ b/Lib/exceptions.py @@ -1,20 +1,19 @@ """Class based built-in exception hierarchy. -This is an experimental new feature whereby all the standard built-in -exceptions, traditionally string object, are replaced with classes. -This gives Python's exception handling mechanism a more -object-oriented feel. +This is a new feature whereby all the standard built-in exceptions, +traditionally string objects, are replaced with classes. This gives +Python's exception handling mechanism a more object-oriented feel. Most existing code should continue to work with class based exceptions. Some tricky uses of IOError may break, but the most common uses should work. -To use this new feature, start the python executable with the -X option. +To disable this feature, start the Python executable with the -X option. Here is a rundown of the class hierarchy. You can change this by editing this file, but it isn't recommended. The classes with a `*' -are new with this feature and are not available unless class based -exceptions are used. +are new with this feature. They are defined as tuples containing the +derived exceptions when string-based exceptions are used. StandardError(*) | |