[issue23099] BytesIO and StringIO values unavailable when closed

[Antoine Pitrou]

Antoine Pitrou added the comment:

> Even worse, the memoryview gets corrupted on close():

The BytesIO object should probably reject closing when a buffer is exported.

> writing to the file seems to be completely disallowed, even if it 
> would not seem to change the size:

An enhancement is probably possible there.

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nosy: +pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23099>
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