mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-13 10:23:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

asyncio: New error handling API. Issue #20681.

Browse source
This commit is contained in:
Yury Selivanov 2014-02-18 18:02:19 -05:00
parent 6acc5e1330
commit 569efa2e4b
15 changed files with 491 additions and 99 deletions
Download patch file Download diff file Expand all files Collapse all files

33
Lib/asyncio/proactor_events.py
View file

@ -56,7 +56,12 @@ class _ProactorBasePipeTransport(transports.BaseTransport):
def _fatal_error(self, exc):
if not isinstance(exc, (BrokenPipeError, ConnectionResetError)):
logger.exception('Fatal error for %s', self)
self._loop.call_exception_handler({
'message': 'Fatal transport error',
'exception': exc,
'transport': self,
'protocol': self._protocol,
})
self._force_close(exc)
def _force_close(self, exc):
@ -103,8 +108,13 @@ class _ProactorBasePipeTransport(transports.BaseTransport):
self._protocol_paused = True
try:
self._protocol.pause_writing()
except Exception:
logger.exception('pause_writing() failed')
except Exception as exc:
self._loop.call_exception_handler({
'message': 'protocol.pause_writing() failed',
'exception': exc,
'transport': self,
'protocol': self._protocol,
})
def _maybe_resume_protocol(self):
if (self._protocol_paused and
@ -112,8 +122,13 @@ class _ProactorBasePipeTransport(transports.BaseTransport):
self._protocol_paused = False
try:
self._protocol.resume_writing()
except Exception:
logger.exception('resume_writing() failed')
except Exception as exc:
self._loop.call_exception_handler({
'message': 'protocol.resume_writing() failed',
'exception': exc,
'transport': self,
'protocol': self._protocol,
})
def set_write_buffer_limits(self, high=None, low=None):
if high is None:
@ -465,9 +480,13 @@ class BaseProactorEventLoop(base_events.BaseEventLoop):
conn, protocol,
extra={'peername': addr}, server=server)
f = self._proactor.accept(sock)
except OSError:
except OSError as exc:
if sock.fileno() != -1:
logger.exception('Accept failed')
self.call_exception_handler({
'message': 'Accept failed',
'exception': exc,
'socket': sock,
})
sock.close()
except futures.CancelledError:
sock.close()