def get_next_id(self):
        try:
            query = {'_id': 'last_id'}
            update = {'$inc': {'id': 1}}
            fn = self.db.internal.find_and_modify
            row = fn(query, update, upsert=True, new=True)
        except Exception as e:
            raise DatabaseException(e)
        return row['id']
def format_results(dest_dir, distros, day):
    subprocess.check_call(
        [
            "/snap/bin/autopkgtest-results-formatter",
            "--destination",
            dest_dir,
            "--distros",
            *distros,
            "--day",
            day,
        ]
    )