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#! /usr/bin/env python
"""
This is a tool for exploring token lists generated by
``tokenize.generate_tokens()`` from test data in
docutils/test/test_readers/test_python/test_parser or stdin.
Usage::
showtok <key> <index>
showtok < <module.py>
Where ``<key>`` is the key to the ``totest`` dictionary, and ``<index>`` is
the index of the list ``totest[key]``. If no arguments are given, stdin is
used for input.
"""
import sys
import tokenize
import pprint
from token import tok_name
import test_parser
def name_tokens(tokens):
for i in range(len(tokens)):
tup = tokens[i]
tokens[i] = (tok_name[tup[0]], tup)
if len(sys.argv) > 1:
key, caseno = sys.argv[1:]
print 'totest["%s"][%s][0]:\n' % (key, caseno)
input_text = test_parser.totest[key][int(caseno)][0]
else:
input_text = sys.stdin.read()
print input_text
tokens = list(tokenize.generate_tokens(iter(input_text.splitlines(1)).next))
name_tokens(tokens)
pprint.pprint(tokens)
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