code: def readScriptRanges(scripts=None):
      
      scripts = scripts or LATIN_LIKE_SCRIPTS
      ranges = []
  
      f = open('Scripts.txt', 'r')
      for line in f:
          line = line.strip('\n')
          matchObj = re.match(
              '^([0123456789ABCDEF]{4}(\.\.[0123456789ABCDEF]{4})?)\s*;\s+(%s)\s+(#.*)?$'
                  % '|'.join(scripts),
              line)
          if matchObj:
              entry = matchObj.group(1)
              if len(entry) > 4:
                  start, stop = entry.split('..', 1)
                  ranges.append((start, stop))
              else:
                  ranges.append(entry)
      f.close()
  
      return ranges
docs: Read script ranges from http://unicode.org/Public/UNIDATA/Scripts.txt file.