def connect(database, timeout=None, isolation_level=None, detect_types=None, factory=None):
    return Connection()


class Connection():
    def cursor(self):
        return Cursor()


class Cursor():
    def cursor(self):
        return Cursor()

    def fetchone(self):
        return Row()

    def fetchmany(self, size=cursor.arraysize):
        return [self.fetchone()]

    def fetchall(self):
        return [self.fetchone()]


class Row():
    def keys(self):
        return ['']