[issue37483] Add PyObject_CallOneArg()

[Jeroen Demeyer]

New submission from Jeroen Demeyer <J.Demeyer at UGent.be>:

As discussed in https://mail.python.org/archives/list/capi-sig@python.org/thread/X6HJOEX6RRFLNKAQSQR6HLD7K4QZ4OTZ/ it would be convenient to have a function PyObject_CallOneArg() for making calls with exactly 1 positional argument and no keyword arguments. Such calls are very common. This would be analogous to PyObject_CallNoArgs().

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components: Interpreter Core
messages: 347138
nosy: jdemeyer, vstinner
priority: normal
severity: normal
status: open
title: Add PyObject_CallOneArg()
type: performance
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37483>
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