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Showing content from http://mail.python.org/pipermail/python-dev/2000-December/011013.html below:

[Python-Dev] fuzzy logic?

[Python-Dev] fuzzy logic?Michael Hudson mwh21@cam.ac.uk
14 Dec 2000 13:58:24 +0000
1) Is there anything is the standard library that does the equivalent
   of

import symbol,token

def decode_ast(ast):
    if token.ISTERMINAL(ast[0]):
        return (token.tok_name[ast[0]], ast[1])
    else:
        return (symbol.sym_name[ast[0]],)+tuple(map(decode_ast,ast[1:]))

  so that, eg:

>>> pprint.pprint(decode.decode_ast(parser.expr("0").totuple()))
('eval_input',
 ('testlist',
  ('test',
   ('and_test',
    ('not_test',
     ('comparison',
      ('expr',
       ('xor_expr',
        ('and_expr',
         ('shift_expr',
          ('arith_expr',
           ('term',
            ('factor', ('power', ('atom', ('NUMBER', '0'))))))))))))))),
 ('NEWLINE', ''),
 ('ENDMARKER', ''))

  ?  Should there be?  (Especially if it was a bit better written).

... and Greg's just said everything else I wanted to!

Cheers,
M.

-- 
  please realize that the Common  Lisp community is more than 40 
  years old.  collectively, the community has already been where 
  every clueless newbie  will be going for the next three years.  
  so relax, please.                     -- Erik Naggum, comp.lang.lisp




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