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Sun Dec 7 19:37:06 EST 2003 · https://mail.python.org/pipermail/python-dev/2003-December/040805.html

Guido:

> And the docs should be updated to explain the description better
> (currently at one point the description is called "extra callback data
> for the destructor function" which seems a rather odd feature).

Indeed! That comment completely misled me about the purpose of
the "desc". Ironically, if that sentence simply hadn't been 
there, I probably would have correctly guessed what the desc
was meant for.

Another API suggestion: a function such as

  void* PyCObject_AsVoidPtrWithDesc(PyObject* self, void *expected_desc)

which checks the desc and raises an exception if it doesn't
match the expected value.

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg at cosc.canterbury.ac.nz	   +--------------------------------------+

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[Python-Dev] are CObjects inherently unsafe?