On Friday, October 10, 2014 2:04:43 PM UTC-5, Edward K. Ream wrote:

Terry asked on irc whether there is a way of associating ast nodes with 
tokens and/or source code text.  I naively answered, "yes, if you know 
where to look".

In fact, the issue is fraught:
http://stackoverflow.com/questions/16748029/how-to-get-source-corresponding-to-a-python-ast-node

This lead to a happy conversation with Aivar Annamaa in Estonia:
http://ee.linkedin.com/pub/aivar-annamaa/26/175/112
http://www.ut.ee/en/kontakt/arvutiteaduse-instituut
http://scholar.google.com/citations?user=sQ5LoEcAAAAJ

Aivar filed this Python bug report: http://bugs.python.org/issue22616

My comments in support of fixing this bug: 
http://bugs.python.org/issue22616#msg229138

In short, until a nest of Python bugs is fixed, beautification tools that 
rely on compiler/ast nodes are "up the creek".

Edward

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