[issue1598083] Top-level exception handler writes to stdout unsafely

[Jean-Paul Calderone]

Jean-Paul Calderone added the comment:

The attached patch doesn't fix the issue I described:

  * err_closed() will raise an exception indicated the file is closed. 
However, the file is not necessarily closed, so this exception is wrong.
  * Most or all PyFile_WriteString callers are still not checking its
return value, so the exception will generally be ignored.
  * The traceback still won't be reported.

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Tracker <report at bugs.python.org>
<http://bugs.python.org/issue1598083>
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