A copy of the code is available here but it is not like in the description (it is only a single Python class and not an utility) and a copy of the license is missing from the tarball. Also the page looks incomplete and an official download link is missing.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.
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