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Issue #23243, asyncio: Emit a ResourceWarning when an event loop or a transport

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is not explicitly closed. Close also explicitly transports in test_sslproto.
This commit is contained in:
Victor Stinner 2015-01-29 17:50:58 +01:00
parent 3c0cf05901
commit 978a9afc6a
10 changed files with 104 additions and 10 deletions
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11
Lib/asyncio/proactor_events.py
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@ -7,6 +7,8 @@ proactor is only implemented on Windows with IOCP.
__all__ = ['BaseProactorEventLoop']
import socket
import sys
import warnings
from . import base_events
from . import constants
@ -74,6 +76,15 @@ class _ProactorBasePipeTransport(transports._FlowControlMixin,
self._read_fut.cancel()
self._read_fut = None
# On Python 3.3 and 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 sys.version_info >= (3, 4):
def __del__(self):
if self._sock is not None:
warnings.warn("unclosed transport %r" % self, ResourceWarning)
self.close()
def _fatal_error(self, exc, message='Fatal error on pipe transport'):
if isinstance(exc, (BrokenPipeError, ConnectionResetError)):
if self._loop.get_debug():