ceph/src/boost/libs/python/test/raw_ctor.cpp

   1 // Copyright David Abrahams 2004. Distributed under the Boost
   2 // Software License, Version 1.0. (See accompanying
   3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/python/class.hpp>
   6 #include <boost/python/raw_function.hpp>
   7 #include <boost/python/make_constructor.hpp>
   8 #include <boost/python/dict.hpp>
   9 #include <boost/python/tuple.hpp>
  10 #include <boost/python/module.hpp>
  11
  12 using namespace boost::python;
  13
  14 class Foo
  15 {
  16  public:
  17     Foo(tuple args, dict kw)
  18       : args(args), kw(kw) {}
  19
  20     tuple args;
  21     dict kw;
  22 };
  23
  24 object init_foo(tuple args, dict kw)
  25 {
  26     tuple rest(args.slice(1,_));
  27     return args[0].attr("__init__")(rest, kw);
  28 }
  29
  30 BOOST_PYTHON_MODULE(raw_ctor_ext)
  31 {
  32     // using no_init postpones defining __init__ function until after
  33     // raw_function for proper overload resolution order, since later
  34     // defs get higher priority.
  35     class_<Foo>("Foo", no_init)
  36         .def("__init__", raw_function(&init_foo))
  37         .def(init<tuple, dict>())
  38         .def_readwrite("args", &Foo::args)
  39         .def_readwrite("kw", &Foo::kw)
  40         ;
  41 }
  42
  43 #include "module_tail.cpp"