How to use the diskcache.core.Timeout function in diskcache

rows = sql(select_filename, (10,)).fetchall()

                    if not rows:
                        break

                    count += len(rows)
                    delete = (
                        'DELETE FROM Cache WHERE rowid IN (%s)'
                        % select_policy.format(fields='rowid', now=now)
                    )
                    sql(delete, (10,))

                    for filename, in rows:
                        cleanup(filename)
        except Timeout:
            raise Timeout(count)

        return count

while True:
                with self._transact(retry) as (sql, cleanup):
                    rows = sql(select, args).fetchall()

                    if not rows:
                        break

                    count += len(rows)
                    sql(delete % ','.join(str(row[0]) for row in rows))

                    for row in rows:
                        args[arg_index] = row[row_index]
                        cleanup(row[-1])

        except Timeout:
            raise Timeout(count)

        return count

def _remove(self, name, args=(), retry=False):
        total = 0
        for shard in self._shards:
            method = getattr(shard, name)
            while True:
                try:
                    count = method(*args, retry=retry)
                    total += count
                except Timeout as timeout:
                    total += timeout.args[0]
                else:
                    break
        return total

with self._transact(retry) as (sql, cleanup):
                    rows = sql(select_filename, (10,)).fetchall()

                    if not rows:
                        break

                    count += len(rows)
                    delete = (
                        'DELETE FROM Cache WHERE rowid IN (%s)'
                        % select_policy.format(fields='rowid', now=now)
                    )
                    sql(delete, (10,))

                    for filename, in rows:
                        cleanup(filename)
        except Timeout:
            raise Timeout(count)

        return count