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bpo-18748: Fix _pyio.IOBase destructor (closed case) (GH-13952)

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_pyio.IOBase destructor now does nothing if getting the closed
attribute fails to better mimick _io.IOBase finalizer.
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Victor Stinner 2019-06-11 02:49:06 +02:00 • committed by GitHub
parent 8a8b59c979
commit 4f6f7c5a61
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10
Lib/_pyio.py
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@ -405,6 +405,16 @@ class IOBase(metaclass=abc.ABCMeta):
def __del__(self):
"""Destructor. Calls close()."""
try:
closed = self.closed
except Exception:
# If getting closed fails, then the object is probably
# in an unusable state, so ignore.
return
if closed:
return
if _IOBASE_EMITS_UNRAISABLE:
self.close()
else: