docs: def abspath(raw):
      """Return what is hopefully a OS independent path."""
      path_bits = []
      if raw.find('/') != -1:
          path_bits = raw.split('/')
      elif raw.find('\\') != -1:
          path_bits = raw.split('\\')
      else:
          path_bits = [raw]
  
      return os.path.abspath(os.sep.join(path_bits))