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-rw-r--r-- | src/boost/libs/python/test/pickle1.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/boost/libs/python/test/pickle1.cpp b/src/boost/libs/python/test/pickle1.cpp new file mode 100644 index 000000000..cc4ad6795 --- /dev/null +++ b/src/boost/libs/python/test/pickle1.cpp @@ -0,0 +1,62 @@ +// Copyright Ralf W. Grosse-Kunstleve 2002-2004. Distributed under the Boost +// Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +/* + This example shows how to make an Extension Class "pickleable". + + The world class below can be fully restored by passing the + appropriate argument to the constructor. Therefore it is sufficient + to define the pickle interface method __getinitargs__. + + For more information refer to boost/libs/python/doc/pickle.html. + */ + +#include <boost/python/module.hpp> +#include <boost/python/def.hpp> +#include <boost/python/class.hpp> +#include <boost/python/tuple.hpp> + +#include <string> + +namespace boost_python_test { + + // A friendly class. + class world + { + private: + std::string country; + public: + world(const std::string& _country) { + this->country = _country; + } + std::string greet() const { return "Hello from " + country + "!"; } + std::string get_country() const { return country; } + }; + + struct world_pickle_suite : boost::python::pickle_suite + { + static + boost::python::tuple + getinitargs(const world& w) + { + return boost::python::make_tuple(w.get_country()); + } + }; + + // To support test of "pickling not enabled" error message. + struct noop {}; +} + +BOOST_PYTHON_MODULE(pickle1_ext) +{ + using namespace boost::python; + using namespace boost_python_test; + class_<world>("world", init<const std::string&>()) + .def("greet", &world::greet) + .def_pickle(world_pickle_suite()) + ; + + // To support test of "pickling not enabled" error message. + class_<noop>("noop"); +} |