code: def evaluateRawString(self, escaped):
          
          unescaped = []
          hexdigit = None
          escape = False
  
          for char in escaped:
  
              number = ord(char)
  
              if hexdigit is not None:
                  if hexdigit:
                      number = (int(hexdigit, 16) << 4) + int(char, 16)
                      hexdigit = None
  
                  else:
                      hexdigit = char
                      continue
  
              if escape:
                  escape = False
  
                  try:
                      number = self.ESCAPE_CHARS[number]
  
                  except KeyError:
                      if number == 120:
                          hexdigit = ''
                          continue
  
                      raise ValueError('Unknown escape character %c' % char)
  
              elif number == 92:  # '\'
                  escape = True
                  continue
  
              unescaped.append(number)
  
          return unescaped
docs: Evaluates raw Python string like `ast.literal_eval` does