swig/Examples/test-suite/python_pyi.i

%module python_pyi

// Tests the -pyi command line option, which generates a .pyi PEP 484
// stub file. This is primarily meant for -builtin/-fastproxy, where the
// python:annotations feature otherwise has nowhere to attach annotations.
%feature("python:annotations", "typing");

// A type with no proxy class, to exercise the opaque SWIGTYPE_* wrapper
// class that $pytypename falls back to, which must also be emitted into
// the .pyi stub (not just the .py shadow file) for the annotation below
// to resolve to a real name.
struct Unwrapped;
%typemap(pytyping) Unwrapped * "$pytypename"

%feature("python:abc", "collections.abc.Sized") SizedCollection;
%pythoncode %{
import collections.abc
%}
%pythonstubcode %{
import collections.abc
%}

%pythonstubbegin %{
# Generated by %pythonstubbegin
%}

%inline %{
struct Unwrapped;

class SizedCollection {
public:
  int size() const { return 0; }
};

class Empty {
private:
  Empty();
};

class Widget {
public:
  Widget(int id): id(id) {}
  int getId() const { return id; }
  static Widget *create(int id) { return new Widget(id); }
  int id;
};

Unwrapped *make_unwrapped() { return 0; }
%}