[Python-bugs-list] [ python-Bugs-440041 ] Inconsistencies in C API calls

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Bugs item #440041, was opened at 2001-07-10 06:31
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Category: None
Group: None
>Status: Closed
>Resolution: Wont Fix
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
>Assigned to: Fred L. Drake, Jr. (fdrake)
Summary: Inconsistencies in C API calls

Initial Comment:
Hello,

While writing a code generator for calling Python
functions from C, I encountered some inconsistencies in
a few calls in C API interface:

- PyLong_AS_LONG() does not exist, while
PyInt_AS_LONG() does
- The return type of PyList_SET_ITEM() is different
from 'void PyTuple_SET_ITEM()

I also found a number of documentation bugs, but those
are reported in report #440037

Albert

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>Comment By: Fred L. Drake, Jr. (fdrake)
Date: 2001-08-10 12:29

Message:
Logged In: YES 
user_id=3066

The return values from PyList_SET_ITEM() and
PyTuple_SET_ITEM() are not meant to be used, but both
evaluate to the type of the third argument.

PyInt_AS_LONG is guaranteed to succeed as long as the
argument is an integer object; PyLong_AS_LONG() cannot make
the parallel guarantee, so they would not be parallel
anyway.  (Remember, a PyLong is unbounded.)

There's no need to change any of these APIs.

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