dsc_file_path = os.path.join(directory, self._dsc_file.filename)
data = open(dsc_file_path, 'r').read()
self._signed_file = SignedFile(data, keyrings, require_signature)
dsc_file_path = os.path.join(directory, self._dsc_file.filename)
data = open(dsc_file_path, 'r').read()
self._signed_file = SignedFile(data, keyrings, require_signature)