pyo3_ffi

Function PyObject_Vectorcall

Source 
pub unsafe fn PyObject_Vectorcall(
    callable: *mut PyObject,
    args: *const *mut PyObject,
    nargsf: size_t,
    kwnames: *mut PyObject,
) -> *mut PyObject
Available on Py_3_8 and neither PyPy nor GraalPy and non-Py_LIMITED_API only.