Function PyArgsParseKeywords

pkg/filament/cpython/object.go:120–146

PyArgsParseKeywords parses tuple and keywords arguments.

(args PyArgs, kwargs PyKwargs, kwlist []string)

// PyArgsParseKeywords parses tuple and keywords arguments.
func PyArgsParseKeywords(args PyArgs, kwargs PyKwargs, kwlist []string) (string, string, string, []string) {
	var (
		ob1 *C.PyObject
		ob2 *C.PyObject
		ob3 *C.PyObject
		ob4 *C.PyObject
	)

	klist := make([]*C.char, len(kwlist)+1)

	for i, k := range kwlist {
		klist[i] = C.CString(k)
		defer C.free(unsafe.Pointer(klist[i]))
	}

	C.PyArg_ParseKeywords(
		(*C.PyObject)(unsafe.Pointer(args)),
		(*C.PyObject)(unsafe.Pointer(kwargs)),
		&klist[0],
		(**C.PyObject)(unsafe.Pointer(&ob1)),
		(**C.PyObject)(unsafe.Pointer(&ob2)),
		(**C.PyObject)(unsafe.Pointer(&ob3)),
		(**C.PyObject)(unsafe.Pointer(&ob4)),
	)

	return fromRawOb(ob1).String(), fromRawOb(ob2).String(), fromRawOb(ob3).String(), fromRawOb(ob4).StringSlice()
}

// PyObject is the main abstraction for manipulating the native CPython objects.
type PyObject struct {