diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py index 3a42b10cb1b..99d503fe1f1 100644 --- a/Lib/asyncio/base_events.py +++ b/Lib/asyncio/base_events.py @@ -54,6 +54,12 @@ _MIN_SCHEDULED_TIMER_HANDLES = 100 # before cleanup of cancelled handles is performed. _MIN_CANCELLED_TIMER_HANDLES_FRACTION = 0.5 +# Exceptions which must not call the exception handler in fatal error +# methods (_fatal_error()) +_FATAL_ERROR_IGNORE = (BrokenPipeError, + ConnectionResetError, ConnectionAbortedError) + + def _format_handle(handle): cb = handle._callback if inspect.ismethod(cb) and isinstance(cb.__self__, tasks.Task): diff --git a/Lib/asyncio/proactor_events.py b/Lib/asyncio/proactor_events.py index 2671a94d55a..db16fe21b22 100644 --- a/Lib/asyncio/proactor_events.py +++ b/Lib/asyncio/proactor_events.py @@ -91,7 +91,7 @@ class _ProactorBasePipeTransport(transports._FlowControlMixin, self.close() def _fatal_error(self, exc, message='Fatal error on pipe transport'): - if isinstance(exc, (BrokenPipeError, ConnectionResetError)): + if isinstance(exc, base_events._FATAL_ERROR_IGNORE): if self._loop.get_debug(): logger.debug("%r: %s", self, message, exc_info=True) else: diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py index cbb36250c96..3dba4fb36ae 100644 --- a/Lib/asyncio/selector_events.py +++ b/Lib/asyncio/selector_events.py @@ -579,8 +579,7 @@ class _SelectorTransport(transports._FlowControlMixin, def _fatal_error(self, exc, message='Fatal error on transport'): # Should be called from exception handler only. - if isinstance(exc, (BrokenPipeError, - ConnectionResetError, ConnectionAbortedError)): + if isinstance(exc, base_events._FATAL_ERROR_IGNORE): if self._loop.get_debug(): logger.debug("%r: %s", self, message, exc_info=True) else: diff --git a/Lib/asyncio/sslproto.py b/Lib/asyncio/sslproto.py index 1cea850475d..9262860335e 100644 --- a/Lib/asyncio/sslproto.py +++ b/Lib/asyncio/sslproto.py @@ -656,7 +656,7 @@ class SSLProtocol(protocols.Protocol): def _fatal_error(self, exc, message='Fatal error on transport'): # Should be called from exception handler only. - if isinstance(exc, (BrokenPipeError, ConnectionResetError)): + if isinstance(exc, base_events._FATAL_ERROR_IGNORE): if self._loop.get_debug(): logger.debug("%r: %s", self, message, exc_info=True) else: diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py index 2beba3e3abc..aad1068f554 100644 --- a/Lib/asyncio/unix_events.py +++ b/Lib/asyncio/unix_events.py @@ -577,7 +577,7 @@ class _UnixWritePipeTransport(transports._FlowControlMixin, def _fatal_error(self, exc, message='Fatal error on pipe transport'): # should be called by exception handler only - if isinstance(exc, (BrokenPipeError, ConnectionResetError)): + if isinstance(exc, base_events._FATAL_ERROR_IGNORE): if self._loop.get_debug(): logger.debug("%r: %s", self, message, exc_info=True) else: