// https://docs.python.org/3/library/inspect.html

// Return a signature object for the given callable.
//
//go:linkname Signature py.signature
func Signature(callable *py.Object) *py.Object

// Get the names and default values of a Python function’s parameters. A named
// tuple is returned:
//
// FullArgSpec(args, varargs, varkw, defaults, kwonlyargs, kwonlydefaults, annotations)
//
//go:linkname Getfullargspec py.getfullargspec
func Getfullargspec(f *py.Object) *py.Object