Message 54901 - Python tracker

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Content
Exceptions would be more useful if they had some
structured information attached to them.  For example,
an ImportError could have the name of the module that
could not be imported.  This would make it possible to
deal with exceptions in more powerful ways.

For more discussion:
http://www.nedbatchelder.com/blog/200609.html#e20060906T055924