diff options
Diffstat (limited to 'Lib/asyncio/events.py')
| -rw-r--r-- | Lib/asyncio/events.py | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/Lib/asyncio/events.py b/Lib/asyncio/events.py index 0d26ea545b..af3f9e970b 100644 --- a/Lib/asyncio/events.py +++ b/Lib/asyncio/events.py @@ -671,6 +671,21 @@ class BaseDefaultEventLoopPolicy(AbstractEventLoopPolicy): if (self._local._loop is None and not self._local._set_called and threading.current_thread() is threading.main_thread()): + stacklevel = 2 + try: + f = sys._getframe(1) + except AttributeError: + pass + else: + while f: + module = f.f_globals.get('__name__') + if not (module == 'asyncio' or module.startswith('asyncio.')): + break + f = f.f_back + stacklevel += 1 + import warnings + warnings.warn('There is no current event loop', + DeprecationWarning, stacklevel=stacklevel) self.set_event_loop(self.new_event_loop()) if self._local._loop is None: @@ -786,12 +801,13 @@ def get_event_loop(): def _get_event_loop(stacklevel=3): + # This internal method is going away in Python 3.12, left here only for + # backwards compatibility with 3.10.0 - 3.10.8 and 3.11.0. + # Similarly, this method's C equivalent in _asyncio is going away as well. + # See GH-99949 for more details. current_loop = _get_running_loop() if current_loop is not None: return current_loop - import warnings - warnings.warn('There is no current event loop', - DeprecationWarning, stacklevel=stacklevel) return get_event_loop_policy().get_event_loop() |