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Backout changeset 6ab2575bc12b

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StreamWriter: close() now clears the reference to the transport

StreamWriter now raises an exception if it is closed: write(), writelines(),
write_eof(), can_write_eof(), get_extra_info(), drain().
This commit is contained in:
Victor Stinner 2015-01-15 21:50:19 +01:00
parent cbd3bd59c0
commit 406204c8c2
1 changed files with 4 additions and 21 deletions
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25
Lib/asyncio/streams.py
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@ -258,22 +258,8 @@ class StreamWriter:
self._reader = reader
self._loop = loop
def close(self):
if self._transport is None:
return
self._transport.close()
self._transport = None
def _check_closed(self):
if self._transport is None:
raise RuntimeError('StreamWriter is closed')
def __repr__(self):
info = [self.__class__.__name__]
if self._transport is not None:
info.append('transport=%r' % self._transport)
else:
info.append('closed')
info = [self.__class__.__name__, 'transport=%r' % self._transport]
if self._reader is not None:
info.append('reader=%r' % self._reader)
return '<%s>' % ' '.join(info)
@ -283,23 +269,21 @@ class StreamWriter:
return self._transport
def write(self, data):
self._check_closed()
self._transport.write(data)
def writelines(self, data):
self._check_closed()
self._transport.writelines(data)
def write_eof(self):
self._check_closed()
return self._transport.write_eof()
def can_write_eof(self):
self._check_closed()
return self._transport.can_write_eof()
def close(self):
return self._transport.close()
def get_extra_info(self, name, default=None):
self._check_closed()
return self._transport.get_extra_info(name, default)
@coroutine
@ -311,7 +295,6 @@ class StreamWriter:
w.write(data)
yield from w.drain()
"""
self._check_closed()
if self._reader is not None:
exc = self._reader.exception()
if exc is not None: