old_contents: #coding:gbk
  
  def is_chinese(uchar):
      """жһunicodeǷǺ"""
      if uchar >= u'\u4e00' and uchar <= u'\u9fa5':
          return True
      else:
          return False
   
  def is_number(uchar):
      """жһunicodeǷ"""
      if uchar >= u'\u0030' and uchar <= u'\u0039':
          return True
      else:
          return False
   
  def is_alphabet(uchar):
      """жһunicodeǷӢĸ"""
      if (uchar >= u'\u0041' and uchar <= u'\u005a') or (uchar >= u'\u0061' and uchar <= u'\u007a'):
          return True
      else:
          return False
   
  def is_other(uchar):
      """жǷǺֺ֣Ӣַ"""
      if not (is_chinese(uchar) or is_number(uchar) or is_alphabet(uchar)):
          return True
      else:
          return False
   
  def B2Q(uchar):
      """תȫ"""
      inside_code = ord(uchar)
      if inside_code < 0x0020 or inside_code > 0x7e:  # ǰַͷԭַ
          return uchar
      if inside_code == 0x0020:  # ˿ոȫǰǵĹʽΪ:=ȫ-0xfee0
          inside_code = 0x3000
      else:
          inside_code += 0xfee0
          return unichr(inside_code)
   
  def Q2B(uchar):
      """ȫת"""
      inside_code = ord(uchar)
      if inside_code == 0x3000:
          inside_code = 0x0020
      else:
          inside_code -= 0xfee0
      if inside_code < 0x0020 or inside_code > 0x7e:  # ת֮ǰַԭַ
          return uchar
      return unichr(inside_code)
   
  def stringQ2B(ustring):
      """ַȫת"""
      return "".join([Q2B(uchar) for uchar in ustring])
   
  def uniform(ustring):
      """ʽַȫתǣдתСдĹ"""
      return stringQ2B(ustring).lower()
  
new_contents: #/usr/bin/env python3
  
  def is_chinese(uchar):
      """判断一个unicode是否是汉字"""
      if uchar >= '\u4e00' and uchar <= '\u9fa5':
          return True
      else:
          return False
   
  def is_number(uchar):
      """判断一个unicode是否是数字"""
      if uchar >= '\u0030' and uchar <= '\u0039':
          return True
      else:
          return False
   
  def is_alphabet(uchar):
      """判断一个unicode是否是英文字母"""
      if (uchar >= '\u0041' and uchar <= '\u005a') \
              or (uchar >= '\u0061' and uchar <= '\u007a'):
          return True
      else:
          return False
   
  def is_other(uchar):
      """判断是否非汉字，数字和英文字符"""
      if not (is_chinese(uchar) or is_number(uchar) or is_alphabet(uchar)):
          return True
      else:
          return False
   
  def B2Q(uchar):
      """半角转全角"""
      inside_code = ord(uchar)
      if inside_code < 0x0020 or inside_code > 0x7e:
          # 不是半角字符就返回原来的字符
          return uchar
      if inside_code == 0x0020:  # 除了空格其他的全角半角的公式为:半角=全角-0xfee0
          inside_code = 0x3000
      else:
          inside_code += 0xfee0
          return unichr(inside_code)
   
  def Q2B(uchar):
      """全角转半角"""
      inside_code = ord(uchar)
      if inside_code == 0x3000:
          inside_code = 0x0020
      else:
          inside_code -= 0xfee0
      if inside_code < 0x0020 or inside_code > 0x7e:
          # 转完之后不是半角字符返回原来的字符
          return uchar
      return unichr(inside_code)
   
  def stringQ2B(ustring):
      """把字符串全角转半角"""
      return "".join([Q2B(uchar) for uchar in ustring])
   
  def uniform(ustring):
      """格式化字符串，完成全角转半角，大写转小写的工作"""
      return stringQ2B(ustring).lower()
  
subject: convert unicode_tool.py from gbk to utf8