| 1 | #!/usr/bin/env python2
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| 2 | """
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| 3 | refactor.py
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| 4 | """
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| 5 | from __future__ import print_function
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| 6 |
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| 7 | import re
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| 8 | import sys
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| 9 |
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| 10 |
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| 11 | COND_RE = re.compile(r'''
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| 12 | ^
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| 13 | (?P<begin>.*?)
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| 14 | (?P<var>\w+)\.tag
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| 15 | \s*
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| 16 | ==
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| 17 | \s*
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| 18 | (?P<sum>[\w_]+)_e\.(?P<variant>[\w_]+)
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| 19 | (?P<end>.*)
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| 20 | $
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| 21 | ''', re.VERBOSE)
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| 22 |
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| 23 |
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| 24 | def main(argv):
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| 25 | action = argv[1]
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| 26 | if action == 'sub':
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| 27 | for line in sys.stdin:
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| 28 | m = COND_RE.match(line)
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| 29 | if m:
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| 30 | print('%sisinstance(%s, %s__%s)%s' % (
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| 31 | m.group('begin'),
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| 32 | m.group('var'),
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| 33 | m.group('sum'),
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| 34 | m.group('variant'),
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| 35 | m.group('end')
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| 36 | ))
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| 37 | else:
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| 38 | sys.stdout.write(line)
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| 39 |
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| 40 |
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| 41 |
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| 42 | if __name__ == '__main__':
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| 43 | try:
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| 44 | main(sys.argv)
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| 45 | except RuntimeError as e:
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| 46 | print('FATAL: %s' % e, file=sys.stderr)
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| 47 | sys.exit(1)
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