[New-bugs-announce] [issue15841] Some StringIO and BytesIO methods can succeed after close

[Antoine Pitrou]

New submission from Antoine Pitrou:

>>> f = io.StringIO()
>>> f.close()
>>> f.readable()
True
>>> f.read()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: I/O operation on closed file.

>>> f = io.BytesIO()
>>> f.close()
>>> f.readable()
True
>>> f.read()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: I/O operation on closed file

----------
components: IO, Library (Lib)
messages: 169665
nosy: pitrou
priority: normal
severity: normal
status: open
title: Some StringIO and BytesIO methods can succeed after close
type: behavior
versions: Python 2.7, Python 3.2, Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15841>
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