Method CallableArgCount

pkg/filament/cpython/object.go:350–362

CallableArgCount returns the number of arguments declared in the callable Python object.

()

// CallableArgCount returns the number of arguments declared in the callable Python object.
func (ob *PyObject) CallableArgCount() uint32 {
	fnCode, err := ob.GetAttrString("__code__")
	if err != nil || fnCode.IsNull() {
		return 0
	}
	defer fnCode.DecRef()
	count, err := fnCode.GetAttrString("co_argcount")
	if err != nil {
		return 0
	}
	defer count.DecRef()
	return count.Uint32()
}

// Call calls a callable Python object with arguments given by the tuple args. If no arguments are needed, then args
// may be NULL. Returns the result of the call on success, or a null reference on failure.