예제 #1
0
static void
gplp_load_service_file_opener (GOPluginLoader *loader,
			       GOPluginService *service,
			       GOErrorInfo **ret_error)
{
	printf("gplp_load_service_file_opener(start)\n");

	GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (loader);
	gchar *func_name_file_probe, *func_name_file_open;
	PyObject *python_func_file_probe, *python_func_file_open;

	g_return_if_fail (GO_IS_PLUGIN_SERVICE_FILE_OPENER (service));

	GO_INIT_RET_ERROR_INFO (ret_error);
	gnm_py_interpreter_switch_to (loader_python->py_interpreter_info);
	gnm_py_interpreter_load(loader_python->py_interpreter_info);	

	func_name_file_probe = g_strconcat (
		go_plugin_service_get_id (service), "_file_probe", NULL);
	python_func_file_probe = PyDict_GetItemString (loader_python->main_module_dict,
	                                               func_name_file_probe);
	gnm_python_clear_error_if_needed (loader_python->py_object);
	func_name_file_open = g_strconcat (
		go_plugin_service_get_id (service), "_file_open", NULL);
	python_func_file_open = PyDict_GetItemString (loader_python->main_module_dict,
	                                              func_name_file_open);
	gnm_python_clear_error_if_needed (loader_python->py_object);
	if (python_func_file_open != NULL) {
		GOPluginServiceFileOpenerCallbacks *cbs;
		ServiceLoaderDataFileOpener *loader_data;

		cbs = go_plugin_service_get_cbs (service);
		cbs->plugin_func_file_probe = gplp_func_file_probe;
		cbs->plugin_func_file_open = gplp_func_file_open;

		loader_data = g_new (ServiceLoaderDataFileOpener, 1);
		loader_data->python_func_file_probe = python_func_file_probe;
		loader_data->python_func_file_open = python_func_file_open;
		if (python_func_file_probe != NULL)
			Py_INCREF (loader_data->python_func_file_probe);
		Py_INCREF (loader_data->python_func_file_open);
		g_object_set_data_full
			(G_OBJECT (service), "loader_data", loader_data,
			 (GDestroyNotify) gplp_loader_data_opener_free);
	} else {
		*ret_error = go_error_info_new_printf (
		             _("Python file \"%s\" has invalid format."),
		             loader_python->module_name);
		go_error_info_add_details (*ret_error,
		                        go_error_info_new_printf (
		                        _("File doesn't contain \"%s\" function."),
		                        func_name_file_open));
	}
	g_free (func_name_file_probe);
	g_free (func_name_file_open);
	gnm_py_interpreter_save(loader_python->py_interpreter_info);
}
예제 #2
0
static void
gplp_finalize (GObject *obj)
{
	GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (obj);

	g_free (loader_python->module_name);
	loader_python->module_name = NULL;

	G_OBJECT_CLASS (g_type_class_peek (G_TYPE_OBJECT))->finalize (obj);
}
예제 #3
0
static void
gplp_load_service_function_group (GOPluginLoader *loader,
				  GOPluginService *service,
				  GOErrorInfo **ret_error)
{
	printf("gplp_load_service_function_group(start)\n");

	GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (loader);
	gchar *fn_info_dict_name;
	PyObject *python_fn_info_dict;

	g_return_if_fail (IS_GNM_PLUGIN_SERVICE_FUNCTION_GROUP (service));

	GO_INIT_RET_ERROR_INFO (ret_error);
	gnm_py_interpreter_switch_to (loader_python->py_interpreter_info);
	gnm_py_interpreter_load(loader_python->py_interpreter_info);	

	fn_info_dict_name = g_strconcat (
		go_plugin_service_get_id (service), "_functions", NULL);
	python_fn_info_dict = PyDict_GetItemString (loader_python->main_module_dict,
	                                             fn_info_dict_name);
	gnm_python_clear_error_if_needed (loader_python->py_object);
	if (python_fn_info_dict != NULL && PyDict_Check (python_fn_info_dict)) {
		PluginServiceFunctionGroupCallbacks *cbs;
		ServiceLoaderDataFunctionGroup *loader_data;

		cbs = go_plugin_service_get_cbs (service);
		cbs->func_desc_load = &gplp_func_desc_load;

		loader_data = g_new (ServiceLoaderDataFunctionGroup, 1);
		loader_data->python_fn_info_dict = (PyObject *) python_fn_info_dict;
		Py_INCREF (loader_data->python_fn_info_dict);
		g_object_set_data_full
			(G_OBJECT (service), "loader_data", loader_data,
			 (GDestroyNotify) gplp_loader_data_fngroup_free);
	} else {
		*ret_error = go_error_info_new_printf (
		             _("Python file \"%s\" has invalid format."),
		             loader_python->module_name);
		if (python_fn_info_dict == NULL) {
			go_error_info_add_details (*ret_error,
			                        go_error_info_new_printf (
			                        _("File doesn't contain \"%s\" dictionary."),
			                        fn_info_dict_name));
		} else if (!PyDict_Check (python_fn_info_dict)) {
			go_error_info_add_details (*ret_error,
			                        go_error_info_new_printf (
			                        _("Object \"%s\" is not a dictionary."),
			                        fn_info_dict_name));
		}
	}
	g_free (fn_info_dict_name);
	gnm_py_interpreter_save(loader_python->py_interpreter_info);	
	printf("gplp_load_service_function_group(end)\n");
}
예제 #4
0
static void
gplp_unload_base (GOPluginLoader *loader, GOErrorInfo **ret_error)
{
	GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (loader);
	GOPlugin *plugin = go_plugin_loader_get_plugin (loader);

	GO_INIT_RET_ERROR_INFO (ret_error);
	g_object_steal_data (G_OBJECT (plugin), "python-loader");
	gnm_python_destroy_interpreter (
		loader_python->py_object, loader_python->py_interpreter_info);
	g_object_unref (loader_python->py_object);
}
예제 #5
0
static void
gplp_load_service_ui (GOPluginLoader *loader,
		      GOPluginService *service,
		      GOErrorInfo **ret_error)
{

	GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (loader);
	gchar *ui_action_names;
	PyObject *ui_actions;

	g_return_if_fail (IS_GNM_PLUGIN_SERVICE_UI (service));

	GO_INIT_RET_ERROR_INFO (ret_error);
	gnm_py_interpreter_switch_to (loader_python->py_interpreter_info);
	gnm_py_interpreter_load(loader_python->py_interpreter_info);	

	ui_action_names = g_strconcat (go_plugin_service_get_id (service),
				     "_ui_actions", NULL);
	ui_actions = PyDict_GetItemString (loader_python->main_module_dict,
					   ui_action_names);
	gnm_python_clear_error_if_needed (loader_python->py_object);
	if (ui_actions != NULL && PyDict_Check (ui_actions)) {
		PluginServiceUICallbacks *cbs;
		ServiceLoaderDataUI *loader_data;

		cbs = go_plugin_service_get_cbs (service);
		cbs->plugin_func_exec_action = gplp_func_exec_action;

		loader_data = g_new (ServiceLoaderDataUI, 1);
		loader_data->ui_actions = ui_actions;
		Py_INCREF (loader_data->ui_actions);
		g_object_set_data_full
			(G_OBJECT (service), "loader_data", loader_data,
			 (GDestroyNotify) gplp_loader_data_ui_free);
	} else {
		*ret_error = go_error_info_new_printf (
		             _("Python file \"%s\" has invalid format."),
		             loader_python->module_name);
		if (ui_actions == NULL) {
			go_error_info_add_details (*ret_error,
			                        go_error_info_new_printf (
			                        _("File doesn't contain \"%s\" dictionary."),
			                        ui_action_names));
		} else if (!PyDict_Check (ui_actions)) {
			go_error_info_add_details (*ret_error,
			                        go_error_info_new_printf (
			                        _("Object \"%s\" is not a dictionary."),
			                        ui_action_names));
		}
	}
	g_free (ui_action_names);
	gnm_py_interpreter_save(loader_python->py_interpreter_info);
}
예제 #6
0
static void
gplp_set_attributes (GOPluginLoader *loader, GHashTable *attrs, GOErrorInfo **ret_error)
{
	GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (loader);
	gchar *module_name = NULL;

	GO_INIT_RET_ERROR_INFO (ret_error);
	module_name = g_hash_table_lookup (attrs, "module_name");
	if (module_name != NULL) {
		loader_python->module_name = g_strdup (module_name);
	} else {
		*ret_error = go_error_info_new_str (
		             _("Python module name not given."));
	}
}
예제 #7
0
static void
gplp_load_base (GOPluginLoader *loader, GOErrorInfo **ret_error)
{
	static gchar const *python_file_extensions[] = {"py", "pyc", "pyo", NULL};

	GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (loader);
	gchar const **file_ext;
	GnmPython *py_object;
	GnmPyInterpreter *py_interpreter_info;
	gchar *full_module_file_name = NULL;
	FILE *f;
	GOPlugin *plugin = go_plugin_loader_get_plugin (loader);
	GOErrorInfo *open_error = NULL;
	PyObject *modules, *main_module, *main_module_dict;

	GO_INIT_RET_ERROR_INFO (ret_error);
	g_object_set_data (G_OBJECT (plugin), "python-loader", loader);

	py_object = gnm_python_object_get (ret_error);
	if (py_object == NULL)
		return;		/* gnm_python_object_get sets ret_error */
	py_interpreter_info = gnm_python_new_interpreter (py_object, plugin);
	if (py_interpreter_info == NULL) {
		*ret_error = go_error_info_new_str (_("Cannot create new Python interpreter."));
		gnm_python_clear_error_if_needed (py_object);
		g_object_unref (py_object);
		return;
	}

	for (file_ext = python_file_extensions; *file_ext != NULL; file_ext++) {
		gchar *file_name = g_strconcat (
			loader_python->module_name, ".", *file_ext, NULL);
		gchar *path = g_build_filename (
			go_plugin_get_dir_name (plugin),
			file_name, NULL);
		g_free (file_name);
		if (g_file_test (path, G_FILE_TEST_EXISTS)) {
			full_module_file_name = path;
			break;
		} else
			g_free (path);
	}
	if (full_module_file_name == NULL) {
		*ret_error = go_error_info_new_printf (
		             _("Module \"%s\" doesn't exist."),
		             loader_python->module_name);
		gnm_python_destroy_interpreter (py_object, py_interpreter_info);
		g_object_unref (py_object);
		return;
	}
	f = gnumeric_fopen_error_info (full_module_file_name, "r", &open_error);
	g_free (full_module_file_name);
	if (f == NULL) {
		*ret_error = open_error;
		gnm_python_destroy_interpreter (py_object, py_interpreter_info);
		g_object_unref (py_object);
		return;
	}

	if (PyRun_SimpleFile (f, loader_python->module_name) != 0) {
		(void) fclose (f);
		*ret_error = go_error_info_new_printf (
		             _("Execution of module \"%s\" failed."),
		             loader_python->module_name);
		gnm_python_destroy_interpreter (py_object, py_interpreter_info);
		g_object_unref (py_object);
		return;
	}
	(void) fclose (f);

	modules = PyImport_GetModuleDict ();
	g_return_if_fail (modules != NULL);
	main_module = PyDict_GetItemString (modules, (char *) "__main__");
	g_return_if_fail (main_module != NULL);
	main_module_dict = PyModule_GetDict (main_module);
	g_return_if_fail (main_module_dict != NULL);
	loader_python->py_object = py_object;
	loader_python->py_interpreter_info = py_interpreter_info;
	loader_python->main_module = main_module;
	loader_python->main_module_dict = main_module_dict;
}