code: def _is_current(self, file_path, zip_path):
          
          timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
          if not os.path.isfile(file_path):
              return False
          stat = os.stat(file_path)
          if stat.st_size != size or stat.st_mtime != timestamp:
              return False
          # check that the contents match
          zip_contents = self.loader.get_data(zip_path)
          with open(file_path, 'rb') as f:
              file_contents = f.read()
          return zip_contents == file_contents
docs: Return True if the file_path is current for this zip_path