Starts or resumes the generator, running until it reaches a yield point that is not ready.
(self)
| 708 | self.run() |
| 709 | |
| 710 | def run(self) -> None: |
| 711 | """Starts or resumes the generator, running until it reaches a |
| 712 | yield point that is not ready. |
| 713 | """ |
| 714 | if self.running or self.finished: |
| 715 | return |
| 716 | try: |
| 717 | self.running = True |
| 718 | while True: |
| 719 | future = self.future |
| 720 | if future is None: |
| 721 | raise Exception("No pending future") |
| 722 | if not future.done(): |
| 723 | return |
| 724 | self.future = None |
| 725 | try: |
| 726 | exc_info = None |
| 727 | |
| 728 | try: |
| 729 | value = future.result() |
| 730 | except Exception: |
| 731 | exc_info = sys.exc_info() |
| 732 | future = None |
| 733 | |
| 734 | if exc_info is not None: |
| 735 | try: |
| 736 | yielded = self.gen.throw(*exc_info) # type: ignore |
| 737 | finally: |
| 738 | # Break up a reference to itself |
| 739 | # for faster GC on CPython. |
| 740 | exc_info = None |
| 741 | else: |
| 742 | yielded = self.gen.send(value) |
| 743 | |
| 744 | except (StopIteration, Return) as e: |
| 745 | self.finished = True |
| 746 | self.future = _null_future |
| 747 | future_set_result_unless_cancelled( |
| 748 | self.result_future, _value_from_stopiteration(e) |
| 749 | ) |
| 750 | self.result_future = None # type: ignore |
| 751 | return |
| 752 | except Exception: |
| 753 | self.finished = True |
| 754 | self.future = _null_future |
| 755 | future_set_exc_info(self.result_future, sys.exc_info()) |
| 756 | self.result_future = None # type: ignore |
| 757 | return |
| 758 | if not self.handle_yield(yielded): |
| 759 | return |
| 760 | yielded = None |
| 761 | finally: |
| 762 | self.running = False |
| 763 | |
| 764 | def handle_yield(self, yielded: _Yieldable) -> bool: |
| 765 | try: |
no test coverage detected