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Better Unicode Text Wrapping Function

/ Published in: Python
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  1. # This recipe refers:
  2. #
  3. #  http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/148061
  4.  
  5. import re
  6. rx=re.compile(u\"([\\u2e80-\\uffff])\", re.UNICODE)
  7.  
  8. def cjkwrap(text, width, encoding=\"utf8\"):
  9.      return reduce(lambda line, word, width=width: \'%s%s%s\' %              
  10.                 (line,
  11.                  [\' \',\'\\n\', \'\'][(len(line)-line.rfind(\'\\n\')-1
  12.                        + len(word.split(\'\\n\',1)[0] ) >= width) or
  13.                       line[-1:] == \'\\0\' and 2],
  14.                  word),
  15.                 rx.sub(r\'\\1\\0 \', unicode(text,encoding)).split(\' \')
  16.             ).replace(\'\\0\', \'\').encode(encoding)

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