diff options
Diffstat (limited to 'Lib/asyncio')
| -rw-r--r-- | Lib/asyncio/futures.py | 3 | ||||
| -rw-r--r-- | Lib/asyncio/tasks.py | 13 |
2 files changed, 16 insertions, 0 deletions
diff --git a/Lib/asyncio/futures.py b/Lib/asyncio/futures.py index 91ea170..4edd2e5 100644 --- a/Lib/asyncio/futures.py +++ b/Lib/asyncio/futures.py @@ -169,6 +169,9 @@ class Future: res += '<{}>'.format(self._state) return res + # On Python 3.3 or older, objects with a destructor part of a reference + # cycle are never destroyed. It's not more the case on Python 3.4 thanks to + # the PEP 442. if _PY34: def __del__(self): if not self._log_traceback: diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py index eaf93f8..f5c10c8 100644 --- a/Lib/asyncio/tasks.py +++ b/Lib/asyncio/tasks.py @@ -32,6 +32,7 @@ from .log import logger _DEBUG = (not sys.flags.ignore_environment and bool(os.environ.get('PYTHONASYNCIODEBUG'))) +_PY34 = (sys.version_info >= (3, 4)) _PY35 = (sys.version_info >= (3, 5)) @@ -181,6 +182,18 @@ class Task(futures.Future): self._loop.call_soon(self._step) self.__class__._all_tasks.add(self) + # On Python 3.3 or older, objects with a destructor part of a reference + # cycle are never destroyed. It's not more the case on Python 3.4 thanks to + # the PEP 442. + if _PY34: + def __del__(self): + if self._state == futures._PENDING: + self._loop.call_exception_handler({ + 'task': self, + 'message': 'Task was destroyed but it is pending!', + }) + futures.Future.__del__(self) + def __repr__(self): res = super().__repr__() if (self._must_cancel and |