Larry Hastings added the comment:
(Actually a self converter would be fine too. Those are only allowed to cast.)
I'm not doing this; here's why. I want the call signature to the impl function
to be the *idealized* signature of that function. And METH_NOARGS passes in a
dumb stupid second argument that is always a NULL pointer. I just don't want
that there.
The long-term goal of Clinic is to let us speed up argument parsing. We'll do
this by rewriting the whole approach to argument parsing. I suspect this will
include not just PyArg_ParseTuple but even the whole callback mechanism, METH_O
METH_NOARGS and all that. So I can live with the extra three-line function for
now.
Also, I assert that compilers are sufficiently smart today to fold the impl
function back into the parsing function. Therefore this approach has no
run-time cost.
Finally, if you're trying to reduce the number of lines of generated code
stomping on your poor tired eyes, consider playing with the Clinic buffer
prototype:
https://bitbucket.org/larry/python-clinic-buffer
You can at least prototype with it before checking in for now.
----------
components: +Demos and Tools
resolution: -> rejected
stage: -> committed/rejected
status: open -> closed
type: -> enhancement
versions: +Python 3.4
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<http://bugs.python.org/issue20225>
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