Kristján Valur Jónsson <krist...@ccpgames.com> added the comment:

Btw,
It occurred to me that a more gentle way to do this is to disable the 
functionality only around close().
This is far less intrusive, for example, in an embedded environment.
I must confess that I had completely forgototten about the disabling of the 
assertion and only stumbled on this recently when I was trying to find out why 
none of my _ASSERTS in eve worked!  Making wholesale CRT settings certainly 
should be avoided.

So, as I said, we could very well avoid this by just wrapping a few instances 
of close() with a CrtSetErrorHandler calls and friends.  With the caveat that 
these are not threadsafe, that is, it is a process global setting for the CRT.  
But toggling it during a limited scope surely is less intrusive than modifying 
it for the entire process permanently.

Kristján

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<http://bugs.python.org/issue4804>
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