How to use the unidiff.constants.RE_BINARY_DIFF.match function in unidiff

continue

            # check for no newline marker
            is_no_newline = RE_NO_NEWLINE_MARKER.match(line)
            if is_no_newline:
                if current_file is None:
                    raise UnidiffParseError('Unexpected marker: %s' % line)
                current_file._add_no_newline_marker_to_last_hunk()
                continue

            # sometimes hunks can be followed by empty lines
            if line == '\n' and current_file is not None:
                current_file._append_trailing_empty_line()
                continue

            is_binary_diff = RE_BINARY_DIFF.match(line)
            if is_binary_diff:
                source_file = is_binary_diff.group('source_filename')
                target_file = is_binary_diff.group('target_filename')
                patch_info.append(line)
                current_file = PatchedFile(
                    patch_info, source_file, target_file, is_binary_file=True)
                self.append(current_file)
                patch_info = None
                current_file = None
                continue

            # if nothing has matched above then this line is a patch info
            if patch_info is None:
                current_file = None
                patch_info = PatchInfo()
            patch_info.append(line)