(self, exctype, excvalue, traceback)
| 612 | return self |
| 613 | |
| 614 | def __exit__(self, exctype, excvalue, traceback): |
| 615 | if exctype is not None: |
| 616 | self.rollback() |
| 617 | else: |
| 618 | self.commit() |
| 619 | |
| 620 | def commit(self): |
| 621 | if len(self.ctx.transactions) > self.transaction_count: |