docs: def open_file(orig_file_path):
      """
      Taking in a file path, attempt to open mock data files with it.
      """
      unquoted = unquote(orig_file_path)
      paths = [
          convert_to_platform_safe(orig_file_path),
          "%s/index.html" % (convert_to_platform_safe(orig_file_path)),
          orig_file_path,
          "%s/index.html" % orig_file_path,
          convert_to_platform_safe(unquoted),
          "%s/index.html" % (convert_to_platform_safe(unquoted)),
          unquoted,
          "%s/index.html" % unquoted,
          ]
  
      file_path = None
      handle = None
      for path in paths:
          try:
              file_path = path
              handle = open(path, "rb")
              break
          except IOError:
              pass
  
      return handle