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Apply fixes from Dirk Gerrits <dirk@gerrits.homeip.net>

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[SVN r16517]
This commit is contained in:
Dave Abrahams
2002-12-04 17:10:55 +00:00
parent c772038e77
commit ec76fbe027
1 changed files with 21 additions and 12 deletions
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33
test/embedding.cpp
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@@ -59,31 +59,40 @@ void test()
//- INITIALIZATION -----------------------------------------------------------//
// Register the module with the interpreter
PyImport_AppendInittab("embedded_hello", initembedded_hello);
if (PyImport_AppendInittab("embedded_hello", initembedded_hello) == -1)
throw std::exception("Failed to add embedded_hello to the interpreters "
"builtin modules");
// Initialize the interpreter
Py_Initialize();
// Load the module
PyObject* main_module = PyImport_AddModule("__main__");
PyObject* main_namespace = PyModule_GetDict(main_module);
Py_INCREF(main_namespace);
// Retrieve the main module
python::handle<> main_module(
python::borrowed(PyImport_AddModule("__main__")) );
// Retrieve the main modules namespace
python::handle<> main_namespace(
python::borrowed(PyModule_GetDict(main_module.get())) );
// Define the derived class in Python.
// (You'll normally want to put this in a .py file.)
PyObject* result = PyRun_String(
python::handle<> result(
PyRun_String(
"from embedded_hello import * \n"
"class PythonDerived(Base): \n"
" def hello(self): \n"
" return 'Hello from Python!' \n",
Py_file_input, main_namespace, main_namespace);
Py_XDECREF(result);
Py_file_input, main_namespace.get(), main_namespace.get())
);
// Result is not needed
result.reset();
// Extract the raw Python object representing the just defined derived class
python::handle<PyObject> class_ptr(PyRun_String("PythonDerived\n", Py_eval_input,
main_namespace, main_namespace));
python::handle<> class_ptr(
PyRun_String("PythonDerived\n", Py_eval_input,
main_namespace.get(), main_namespace.get()) );
// Wrap the raw Python object in a Boost.Python object using a handle
// Wrap the raw Python object in a Boost.Python object
python::object PythonDerived(class_ptr);
//- MAIN PROGRAM -------------------------------------------------------------//
@@ -92,7 +101,7 @@ void test()
CppDerived cpp;
std::cout << cpp.hello() << std::endl;
// But now creating and using instances of the Python class is just
// But now creating and using instances of the Python class is almost
// as easy!
python::object py_base = PythonDerived();
Base& py = python::extract<Base&>(py_base)();