def write(self):
        """Safely write the index data to the index file """
        index_file = self.path
        new_index_file = index_file + '.new'
        bak_index_file = index_file + '.bak'

        if not self._db:
            return

        with open(new_index_file, 'w') as f:
            json.dump(self._db, f, indent=4)

        if exists(index_file):
            copy(index_file, bak_index_file)

        rename(new_index_file, index_file)
def write ( self ) : index_file = self . path new_index_file = index_file + '.new' bak_index_file = index_file + '.bak' if not self . _db : return with open ( new_index_file , 'w' ) as f : json . dump ( self . _db , f , indent = 4 ) if exists ( index_file ) : copy ( index_file , bak_index_file ) rename ( new_index_file , index_file )
Safely write the index data to the index file