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 gboolean
gplp_service_unload (GOPluginLoader *l, GOPluginService *s, GOErrorInfo **err)
{
if (GNM_IS_PLUGIN_SERVICE_FUNCTION_GROUP (s))
;
else
return FALSE;
return TRUE;
}
static gboolean
gplp_service_load (GOPluginLoader *l, GOPluginService *s, GOErrorInfo **err)
{
if (GNM_IS_PLUGIN_SERVICE_FUNCTION_GROUP (s))
gplp_load_service_function_group (l, s, err);
else
return FALSE;
return TRUE;
}
static void
gplp_load_service_function_group (GOPluginLoader *loader,
GOPluginService *service,
GOErrorInfo **ret_error)
{
GnmPluginServiceFunctionGroupCallbacks *cbs;
g_return_if_fail (GNM_IS_PLUGIN_SERVICE_FUNCTION_GROUP (service));
GO_INIT_RET_ERROR_INFO (ret_error);
cbs = go_plugin_service_get_cbs (service);
cbs->load_stub = &gplp_func_load_stub;
}
static void
gplp_load_service_function_group (GOPluginLoader *loader,
GOPluginService *service,
GOErrorInfo **ret_error)
{
GnmPythonPluginLoader *loader_python = GNM_PYTHON_PLUGIN_LOADER (loader);
gchar *fn_info_dict_name;
PyObject *python_fn_info_dict;
g_return_if_fail (GNM_IS_PLUGIN_SERVICE_FUNCTION_GROUP (service));
GO_INIT_RET_ERROR_INFO (ret_error);
gnm_py_interpreter_switch_to (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)) {
GnmPluginServiceFunctionGroupCallbacks *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);
}
static void
gplp_unload_service_function_group (GOPluginLoader *loader,
GOPluginService *service,
GOErrorInfo **ret_error)
{
ServiceLoaderDataFunctionGroup *loader_data;
g_return_if_fail (GNM_IS_PYTHON_PLUGIN_LOADER (loader));
g_return_if_fail (GNM_IS_PLUGIN_SERVICE_FUNCTION_GROUP (service));
GO_INIT_RET_ERROR_INFO (ret_error);
loader_data = g_object_get_data (G_OBJECT (service), "loader_data");
SWITCH_TO_PLUGIN (go_plugin_service_get_plugin (service));
Py_DECREF (loader_data->python_fn_info_dict);
}
