Programmatically discovering encoding types supported by codecs module

[python at bdurham.com]

Is there a way to programmatically discover the encoding types
supported by the codecs module?

For example, the following link shows a table with Codec,
Aliases, and Language columns.
http://docs.python.org/library/codecs.html#standard-encodings

I'm looking for a way to programmatically generate this table
through some form of module introspection.

Ideas?

Malcolm
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