C++ (Cpp) BLI_program_path示例

示例#1

/* call BPY_context_set first */
void BPY_python_start(int argc, const char **argv)
{
#ifndef WITH_PYTHON_MODULE
	PyThreadState *py_tstate = NULL;

	/* not essential but nice to set our name */
	static wchar_t program_path_wchar[FILE_MAX]; /* python holds a reference */
	BLI_strncpy_wchar_from_utf8(program_path_wchar, BLI_program_path(), sizeof(program_path_wchar) / sizeof(wchar_t));
	Py_SetProgramName(program_path_wchar);

	/* must run before python initializes */
	PyImport_ExtendInittab(bpy_internal_modules);

	/* allow to use our own included python */
	PyC_SetHomePath(BLI_get_folder(BLENDER_SYSTEM_PYTHON, NULL));

	/* without this the sys.stdout may be set to 'ascii'
	 * (it is on my system at least), where printing unicode values will raise
	 * an error, this is highly annoying, another stumbling block for devs,
	 * so use a more relaxed error handler and enforce utf-8 since the rest of
	 * blender is utf-8 too - campbell */
	BLI_setenv("PYTHONIOENCODING", "utf-8:surrogateescape");

	/* Python 3.2 now looks for '2.xx/python/include/python3.2d/pyconfig.h' to
	 * parse from the 'sysconfig' module which is used by 'site',
	 * so for now disable site. alternatively we could copy the file. */
	Py_NoSiteFlag = 1;

	Py_Initialize();

	// PySys_SetArgv(argc, argv); // broken in py3, not a huge deal
	/* sigh, why do python guys not have a (char **) version anymore? */
	{
		int i;
		PyObject *py_argv = PyList_New(argc);
		for (i = 0; i < argc; i++) {
			/* should fix bug #20021 - utf path name problems, by replacing
			 * PyUnicode_FromString, with this one */
			PyList_SET_ITEM(py_argv, i, PyC_UnicodeFromByte(argv[i]));
		}

		PySys_SetObject("argv", py_argv);
		Py_DECREF(py_argv);
	}
	
	/* Initialize thread support (also acquires lock) */
	PyEval_InitThreads();
#else
	(void)argc;
	(void)argv;

	/* must run before python initializes */
	PyImport_ExtendInittab(bpy_internal_modules);
#endif

	bpy_intern_string_init();

	/* bpy.* and lets us import it */
	BPy_init_modules();

	bpy_import_init(PyEval_GetBuiltins());
	
	pyrna_alloc_types();

#ifndef WITH_PYTHON_MODULE
	/* py module runs atexit when bpy is freed */
	BPY_atexit_register(); /* this can init any time */

	py_tstate = PyGILState_GetThisThreadState();
	PyEval_ReleaseThread(py_tstate);
#endif
}

示例#2

static PyObject *make_app_info(void)
{
	PyObject *app_info;
	int pos = 0;

	app_info = PyStructSequence_New(&BlenderAppType);
	if (app_info == NULL) {
		return NULL;
	}

#define SetIntItem(flag) \
	PyStructSequence_SET_ITEM(app_info, pos++, PyLong_FromLong(flag))
#define SetStrItem(str) \
	PyStructSequence_SET_ITEM(app_info, pos++, PyUnicode_FromString(str))
#define SetObjItem(obj) \
	PyStructSequence_SET_ITEM(app_info, pos++, obj)

	SetObjItem(Py_BuildValue("(iii)",
	                         BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION));
	SetObjItem(PyUnicode_FromFormat("%d.%02d (sub %d)",
	                                BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION));

#if defined(BLENDER_VERSION_CHAR) && EXPAND(BLENDER_VERSION_CHAR) != 1
	SetStrItem(STRINGIFY(BLENDER_VERSION_CHAR));
#else
	SetStrItem("");
#endif
	SetStrItem(STRINGIFY(BLENDER_VERSION_CYCLE));
	SetStrItem(BLI_program_path());
	SetObjItem(PyBool_FromLong(G.background));

	/* build info */
#ifdef BUILD_DATE
	SetStrItem(build_date);
	SetStrItem(build_time);
	SetStrItem(build_rev);
	SetStrItem(build_platform);
	SetStrItem(build_type);
	SetStrItem(build_cflags);
	SetStrItem(build_cxxflags);
	SetStrItem(build_linkflags);
	SetStrItem(build_system);
#else
	SetStrItem("Unknown");
	SetStrItem("Unknown");
	SetStrItem("Unknown");
	SetStrItem("Unknown");
	SetStrItem("Unknown");
	SetStrItem("Unknown");
	SetStrItem("Unknown");
	SetStrItem("Unknown");
	SetStrItem("Unknown");
#endif

	SetObjItem(BPY_app_ffmpeg_struct());
	SetObjItem(BPY_app_handlers_struct());

#undef SetIntItem
#undef SetStrItem
#undef SetObjItem

	if (PyErr_Occurred()) {
		Py_CLEAR(app_info);
		return NULL;
	}
	return app_info;
}