code: def _split_source_page(self, path):
          
          with codecs.open(path, "rb", "utf-8") as fd:
              textlist = fd.readlines()
  
          metadata_notation = "---\n"
          if textlist[0] != metadata_notation:
              logging.error(
                  "{} first line must be triple-dashed!".format(path)
              )
              sys.exit(1)
  
          metadata_textlist = []
          metadata_end_flag = False
          idx = 1
          max_idx = len(textlist)
          # TODO(crow): BE PYTHONIC!!!
          while not metadata_end_flag:
              metadata_textlist.append(textlist[idx])
              idx += 1
              if idx >= max_idx:
                  logging.error(
                      "{} doesn't have end triple-dashed!".format(path)
                  )
                  sys.exit(1)
              if textlist[idx] == metadata_notation:
                  metadata_end_flag = True
          content = textlist[idx + 1:]
  
          return metadata_textlist, content
docs: Split the source file texts by triple-dashed lines.
  
          shit code