new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  '''
  common.py
  Author: yupbank
  Email:  yupbank@gmail.com
  
  Created on
  2013-11-21
  '''
  import re
  from functools import wraps
  
  
  def _cut(sentence, cut_block):
      re_word, re_skip = re.compile(ur"([.*(,|\n)]+)", re.U), re.compile(ur"(\r\n|\s)", re.U)
      blocks = re_word.split(sentence)
      
      for blk in filter(lambda x: x.strip(), blocks):
          blk = blk.strip()
          if re.match(r'[(\w+)]+', blk):
              for word in cut_block(blk.split()):
                  if word.strip():
                      yield word
          else:
              if blk:
                  yield blk
  
  def require_initialize(signal, init, iargs=()):
      def _(fn):
          @wraps(fn)
          def __(*args, **kwargs):
              if not signal:
                  if any(iargs):
                      init(*iargs)
                  else:
                      init()
              return fn(*args, **kwargs)
          return __
      return _
  
subject: add common