static gboolean
gplp_func_desc_load (GOPluginService *service,
char const *name,
GnmFuncDescriptor *res)
{
ServiceLoaderDataFunctionGroup *loader_data;
PyObject *fn_info_obj;
g_return_val_if_fail (GNM_IS_PLUGIN_SERVICE_FUNCTION_GROUP (service), FALSE);
g_return_val_if_fail (name != NULL, FALSE);
loader_data = g_object_get_data (G_OBJECT (service), "loader_data");
SWITCH_TO_PLUGIN (go_plugin_service_get_plugin (service));
fn_info_obj = PyDict_GetItemString (loader_data->python_fn_info_dict,
(gchar *) name);
if (fn_info_obj == NULL) {
gnm_python_clear_error_if_needed (SERVICE_GET_LOADER (service)->py_object);
return FALSE;
}
if (PyTuple_Check (fn_info_obj)) {
PyObject *python_args;
PyObject *python_fn;
if (PyTuple_Size (fn_info_obj) == 3 &&
(python_args = PyTuple_GetItem (fn_info_obj, 0)) != NULL &&
PyString_Check (python_args) &&
(python_fn = PyTuple_GetItem (fn_info_obj, 2)) != NULL &&
PyCallable_Check (python_fn)) {
res->arg_spec = PyString_AsString (python_args);
res->help = python_function_get_gnumeric_help (
loader_data->python_fn_info_dict, python_fn, name);
res->fn_args = &call_python_function_args;
res->fn_nodes = NULL;
res->linker = NULL;
res->impl_status = GNM_FUNC_IMPL_STATUS_UNIQUE_TO_GNUMERIC;
res->test_status = GNM_FUNC_TEST_STATUS_UNKNOWN;
return TRUE;
}
gnm_python_clear_error_if_needed (SERVICE_GET_LOADER (service)->py_object);
return FALSE;
}
if (PyCallable_Check (fn_info_obj)) {
res->arg_spec = "";
res->help = python_function_get_gnumeric_help (
loader_data->python_fn_info_dict, fn_info_obj, name);
res->fn_args = NULL;
res->fn_nodes = &call_python_function_nodes;
res->linker = NULL;
res->impl_status = GNM_FUNC_IMPL_STATUS_UNIQUE_TO_GNUMERIC;
res->test_status = GNM_FUNC_TEST_STATUS_UNKNOWN;
return TRUE;
}
gnm_python_clear_error_if_needed (SERVICE_GET_LOADER (service)->py_object);
return FALSE;
}
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);
}
static void
gplp_func_file_save (G_GNUC_UNUSED GOFileSaver const *fs, GOPluginService *service,
GOIOContext *io_context, gconstpointer wb_view,
GsfOutput *output)
{
ServiceLoaderDataFileSaver *saver_data;
PyObject *py_workbook;
PyObject *save_result = NULL;
PyObject *output_wrapper;
g_return_if_fail (GO_IS_PLUGIN_SERVICE_FILE_SAVER (service));
g_return_if_fail (output != NULL);
g_return_if_fail (_PyGObject_API != NULL);
saver_data = g_object_get_data (G_OBJECT (service), "loader_data");
SWITCH_TO_PLUGIN (go_plugin_service_get_plugin (service));
py_workbook = py_new_Workbook_object (wb_view_get_workbook (wb_view));
output_wrapper = pygobject_new (G_OBJECT (output));
if (output_wrapper != NULL) {
/* wrapping adds a reference */
g_object_unref (output);
save_result = PyObject_CallFunction
(saver_data->python_func_file_save,
(char *) "NO", py_workbook, output_wrapper);
Py_DECREF (output_wrapper);
}
if (save_result != NULL) {
Py_DECREF (save_result);
} else {
go_io_error_string (io_context, py_exc_to_string ());
gnm_python_clear_error_if_needed (SERVICE_GET_LOADER (service)->py_object);
}
}
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");
}
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);
}
static void
gplp_func_file_open (GOFileOpener const *fo,
GOPluginService *service,
GOIOContext *io_context,
gpointer wb_view,
GsfInput *input)
{
ServiceLoaderDataFileOpener *loader_data;
Sheet *sheet, *old_sheet;
PyObject *open_result = NULL;
PyObject *input_wrapper;
printf("gplp_func_file_open(start)\n");
g_return_if_fail (GO_IS_PLUGIN_SERVICE_FILE_OPENER (service));
g_return_if_fail (input != NULL);
g_return_if_fail (_PyGObject_API != NULL);
old_sheet = wb_view_cur_sheet (wb_view);
loader_data = g_object_get_data (G_OBJECT (service), "loader_data");
SWITCH_TO_PLUGIN (go_plugin_service_get_plugin (service));
sheet = sheet_new (wb_view_get_workbook (wb_view), _("Some name"),
gnm_sheet_get_max_cols (old_sheet),
gnm_sheet_get_max_rows (old_sheet));
input_wrapper = pygobject_new (G_OBJECT (input));
if (input_wrapper != NULL) {
/* wrapping adds a reference */
g_object_unref (G_OBJECT (input));
open_result = PyObject_CallFunction
(loader_data->python_func_file_open,
(char *) "NO",
py_new_Sheet_object (sheet), input_wrapper);
Py_DECREF (input_wrapper);
}
if (open_result != NULL) {
Py_DECREF (open_result);
workbook_sheet_attach (wb_view_get_workbook (wb_view), sheet);
} else {
go_io_error_string (io_context, py_exc_to_string ());
gnm_python_clear_error_if_needed (SERVICE_GET_LOADER (service)->py_object);
g_object_unref (sheet);
}
printf("gplp_func_file_open(end)\n");
}
static gboolean
gplp_func_file_probe (GOFileOpener const *fo, GOPluginService *service,
GsfInput *input, GOFileProbeLevel pl)
{
ServiceLoaderDataFileOpener *loader_data;
PyObject *probe_result = NULL;
PyObject *input_wrapper;
gboolean result;
printf("gplp_func_file_probe(start)\n");
g_return_val_if_fail (GO_IS_PLUGIN_SERVICE_FILE_OPENER (service), FALSE);
g_return_val_if_fail (input != NULL, FALSE);
g_return_val_if_fail (_PyGObject_API != NULL, FALSE);
loader_data = g_object_get_data (G_OBJECT (service), "loader_data");
SWITCH_TO_PLUGIN (go_plugin_service_get_plugin (service));
input_wrapper = pygobject_new (G_OBJECT (input));
if (input_wrapper == NULL) {
g_warning ("%s", py_exc_to_string ());
gnm_python_clear_error_if_needed (SERVICE_GET_LOADER (service)->py_object);
}
if (input_wrapper != NULL &&
loader_data->python_func_file_probe != NULL) {
/* wrapping adds a reference */
g_object_unref (G_OBJECT (input));
probe_result = PyObject_CallFunction
(loader_data->python_func_file_probe,
(char *) "O", input_wrapper);
Py_DECREF (input_wrapper);
}
if (probe_result != NULL) {
result = PyObject_IsTrue (probe_result);
Py_DECREF (probe_result);
} else {
PyErr_Clear ();
result = FALSE;
}
printf("gplp_func_file_probe(end)\n");
return result;
}
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;
}
