1 // Copyright Stefan Seefeld 2007.
2 // Distributed under the Boost Software License, Version 1.0. (See
3 // accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5
6 #include <boost/python.hpp>
7
8 #include <boost/detail/lightweight_test.hpp>
9 #include <boost/bind.hpp>
10 #include <iostream>
11 #include <sstream>
12
13 namespace bpl = boost::python;
14
import_test(char const * py_file_path)15 void import_test(char const *py_file_path)
16 {
17 // Retrieve the main module
18 bpl::object main = bpl::import("__main__");
19
20 // Retrieve the main module's namespace
21 bpl::object global(main.attr("__dict__"));
22
23 // Inject search path for import_ module
24
25 bpl::str script(
26 "import sys, os.path\n"
27 "path = os.path.dirname(%r)\n"
28 "sys.path.insert(0, path)"
29 % bpl::str(py_file_path));
30
31 bpl::object result = bpl::exec(script, global, global);
32
33 // Retrieve the main module
34 bpl::object import_ = bpl::import("import_");
35 int value = bpl::extract<int>(import_.attr("value")) BOOST_EXTRACT_WORKAROUND;
36 std::cout << value << std::endl;
37 BOOST_TEST(value == 42);
38 }
39
main(int argc,char ** argv)40 int main(int argc, char **argv)
41 {
42 BOOST_TEST(argc == 2);
43
44 // Initialize the interpreter
45 Py_Initialize();
46
47 if (bpl::handle_exception(boost::bind(import_test,argv[1])))
48 {
49 if (PyErr_Occurred())
50 {
51 BOOST_ERROR("Python Error detected");
52 PyErr_Print();
53 }
54 else
55 {
56 BOOST_ERROR("A C++ exception was thrown for which "
57 "there was no exception handler registered.");
58 }
59 }
60
61 // Boost.Python doesn't support Py_Finalize yet.
62 // Py_Finalize();
63 return boost::report_errors();
64 }
65
66 // Including this file makes sure
67 // that on Windows, any crashes (e.g. null pointer dereferences) invoke
68 // the debugger immediately, rather than being translated into structured
69 // exceptions that can interfere with debugging.
70 #include "module_tail.cpp"
71