#include <vector>
#include <boost/python.hpp>
#include <boost/python/suite/indexing/vector_indexing_suite.hpp>

struct base
{
  virtual ~base() {}
  virtual int perform() = 0;
};

struct base_wrap: base, boost::python::wrapper<base>
{
  int perform() { return int(this->get_override("perform")()) - 10; }
};

BOOST_PYTHON_MODULE(example)
{
  namespace python = boost::python;
  python::class_<base_wrap, boost::noncopyable>("Base", python::init<>())
    .def("perform", python::pure_virtual(&base::perform))
    ;

  python::class_<std::vector<base*>>("BaseList")
    .def(python::vector_indexing_suite<std::vector<base*>>())
    ;

  python::def("do_perform", +[](base* object) {
    return object->perform();
  });
}



>>> import example
>>> class derived(example.Base):
...     def __init__(self):
...         self.name = "test"
...         example.Base.__init__(self)
...     def perform(self):
...         return 42
...       
>>> d = derived()
>>> base_list = example.BaseList()
>>> base_list.append(d)
>>> assert(len(base_list) == 1)
>>> assert(base_list[0].perform() == 42)
>>> assert(example.do_perform(base_list[0]) == 32)