| |
| /* Testing module for multi-phase initialization of extension modules (PEP 489) |
| */ |
| |
| #include "Python.h" |
| |
| /* Example objects */ |
| typedef struct { |
| PyObject_HEAD |
| PyObject *x_attr; /* Attributes dictionary */ |
| } ExampleObject; |
| |
| /* Example methods */ |
| |
| static int |
| Example_traverse(ExampleObject *self, visitproc visit, void *arg) |
| { |
| Py_VISIT(self->x_attr); |
| return 0; |
| } |
| |
| static int |
| Example_finalize(ExampleObject *self) |
| { |
| Py_CLEAR(self->x_attr); |
| return 0; |
| } |
| |
| static PyObject * |
| Example_demo(ExampleObject *self, PyObject *args) |
| { |
| PyObject *o = NULL; |
| if (!PyArg_ParseTuple(args, "|O:demo", &o)) |
| return NULL; |
| if (o != NULL && PyUnicode_Check(o)) { |
| Py_INCREF(o); |
| return o; |
| } |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| |
| |
| static PyMethodDef Example_methods[] = { |
| {"demo", (PyCFunction)Example_demo, METH_VARARGS, |
| PyDoc_STR("demo() -> None")}, |
| {NULL, NULL} /* sentinel */ |
| }; |
| |
| static PyObject * |
| Example_getattro(ExampleObject *self, PyObject *name) |
| { |
| if (self->x_attr != NULL) { |
| PyObject *v = PyDict_GetItem(self->x_attr, name); |
| if (v != NULL) { |
| Py_INCREF(v); |
| return v; |
| } |
| } |
| return PyObject_GenericGetAttr((PyObject *)self, name); |
| } |
| |
| static int |
| Example_setattr(ExampleObject *self, char *name, PyObject *v) |
| { |
| if (self->x_attr == NULL) { |
| self->x_attr = PyDict_New(); |
| if (self->x_attr == NULL) |
| return -1; |
| } |
| if (v == NULL) { |
| int rv = PyDict_DelItemString(self->x_attr, name); |
| if (rv < 0) |
| PyErr_SetString(PyExc_AttributeError, |
| "delete non-existing Example attribute"); |
| return rv; |
| } |
| else |
| return PyDict_SetItemString(self->x_attr, name, v); |
| } |
| |
| static PyType_Slot Example_Type_slots[] = { |
| {Py_tp_doc, "The Example type"}, |
| {Py_tp_finalize, Example_finalize}, |
| {Py_tp_traverse, Example_traverse}, |
| {Py_tp_getattro, Example_getattro}, |
| {Py_tp_setattr, Example_setattr}, |
| {Py_tp_methods, Example_methods}, |
| {0, 0}, |
| }; |
| |
| static PyType_Spec Example_Type_spec = { |
| "_testimportexec.Example", |
| sizeof(ExampleObject), |
| 0, |
| Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, |
| Example_Type_slots |
| }; |
| |
| /* Function of two integers returning integer */ |
| |
| PyDoc_STRVAR(testexport_foo_doc, |
| "foo(i,j)\n\ |
| \n\ |
| Return the sum of i and j."); |
| |
| static PyObject * |
| testexport_foo(PyObject *self, PyObject *args) |
| { |
| long i, j; |
| long res; |
| if (!PyArg_ParseTuple(args, "ll:foo", &i, &j)) |
| return NULL; |
| res = i + j; |
| return PyLong_FromLong(res); |
| } |
| |
| /* Test that PyState registration fails */ |
| |
| PyDoc_STRVAR(call_state_registration_func_doc, |
| "register_state(0): call PyState_FindModule()\n\ |
| register_state(1): call PyState_AddModule()\n\ |
| register_state(2): call PyState_RemoveModule()"); |
| |
| static PyObject * |
| call_state_registration_func(PyObject *mod, PyObject *args) |
| { |
| int i, ret; |
| PyModuleDef *def = PyModule_GetDef(mod); |
| if (def == NULL) { |
| return NULL; |
| } |
| if (!PyArg_ParseTuple(args, "i:call_state_registration_func", &i)) |
| return NULL; |
| switch (i) { |
| case 0: |
| mod = PyState_FindModule(def); |
| if (mod == NULL) { |
| Py_RETURN_NONE; |
| } |
| return mod; |
| case 1: |
| ret = PyState_AddModule(mod, def); |
| if (ret != 0) { |
| return NULL; |
| } |
| break; |
| case 2: |
| ret = PyState_RemoveModule(def); |
| if (ret != 0) { |
| return NULL; |
| } |
| break; |
| } |
| Py_RETURN_NONE; |
| } |
| |
| |
| static PyType_Slot Str_Type_slots[] = { |
| {Py_tp_base, NULL}, /* filled out in module exec function */ |
| {0, 0}, |
| }; |
| |
| static PyType_Spec Str_Type_spec = { |
| "_testimportexec.Str", |
| 0, |
| 0, |
| Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, |
| Str_Type_slots |
| }; |
| |
| static PyMethodDef testexport_methods[] = { |
| {"foo", testexport_foo, METH_VARARGS, |
| testexport_foo_doc}, |
| {"call_state_registration_func", call_state_registration_func, |
| METH_VARARGS, call_state_registration_func_doc}, |
| {NULL, NULL} /* sentinel */ |
| }; |
| |
| static int execfunc(PyObject *m) |
| { |
| PyObject *temp = NULL; |
| |
| /* Due to cross platform compiler issues the slots must be filled |
| * here. It's required for portability to Windows without requiring |
| * C++. */ |
| Str_Type_slots[0].pfunc = &PyUnicode_Type; |
| |
| /* Add a custom type */ |
| temp = PyType_FromSpec(&Example_Type_spec); |
| if (temp == NULL) |
| goto fail; |
| if (PyModule_AddObject(m, "Example", temp) != 0) |
| goto fail; |
| |
| /* Add an exception type */ |
| temp = PyErr_NewException("_testimportexec.error", NULL, NULL); |
| if (temp == NULL) |
| goto fail; |
| if (PyModule_AddObject(m, "error", temp) != 0) |
| goto fail; |
| |
| /* Add Str */ |
| temp = PyType_FromSpec(&Str_Type_spec); |
| if (temp == NULL) |
| goto fail; |
| if (PyModule_AddObject(m, "Str", temp) != 0) |
| goto fail; |
| |
| if (PyModule_AddIntConstant(m, "int_const", 1969) != 0) |
| goto fail; |
| |
| if (PyModule_AddStringConstant(m, "str_const", "something different") != 0) |
| goto fail; |
| |
| return 0; |
| fail: |
| return -1; |
| } |
| |
| /* Helper for module definitions; there'll be a lot of them */ |
| #define TEST_MODULE_DEF(name, slots, methods) { \ |
| PyModuleDef_HEAD_INIT, /* m_base */ \ |
| name, /* m_name */ \ |
| PyDoc_STR("Test module " name), /* m_doc */ \ |
| 0, /* m_size */ \ |
| methods, /* m_methods */ \ |
| slots, /* m_slots */ \ |
| NULL, /* m_traverse */ \ |
| NULL, /* m_clear */ \ |
| NULL, /* m_free */ \ |
| } |
| |
| PyModuleDef_Slot main_slots[] = { |
| {Py_mod_exec, execfunc}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef main_def = TEST_MODULE_DEF("main", main_slots, testexport_methods); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase(PyObject *spec) |
| { |
| return PyModuleDef_Init(&main_def); |
| } |
| |
| |
| /**** Importing a non-module object ****/ |
| |
| static PyModuleDef def_nonmodule; |
| |
| /* Create a SimpleNamespace(three=3) */ |
| static PyObject* |
| createfunc_nonmodule(PyObject *spec, PyModuleDef *def) |
| { |
| PyObject *dct, *ns, *three; |
| |
| if (def != &def_nonmodule) { |
| PyErr_SetString(PyExc_SystemError, "def does not match"); |
| return NULL; |
| } |
| |
| dct = PyDict_New(); |
| if (dct == NULL) |
| return NULL; |
| |
| three = PyLong_FromLong(3); |
| if (three == NULL) { |
| Py_DECREF(dct); |
| return NULL; |
| } |
| PyDict_SetItemString(dct, "three", three); |
| Py_DECREF(three); |
| |
| ns = _PyNamespace_New(dct); |
| Py_DECREF(dct); |
| return ns; |
| } |
| |
| static PyModuleDef_Slot slots_create_nonmodule[] = { |
| {Py_mod_create, createfunc_nonmodule}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_nonmodule = TEST_MODULE_DEF( |
| "_testmultiphase_nonmodule", slots_create_nonmodule, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_nonmodule(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_nonmodule); |
| } |
| |
| /**** Non-ASCII-named modules ****/ |
| |
| static PyModuleDef def_nonascii_latin = { \ |
| PyModuleDef_HEAD_INIT, /* m_base */ |
| "_testmultiphase_nonascii_latin", /* m_name */ |
| PyDoc_STR("Module named in Czech"), /* m_doc */ |
| 0, /* m_size */ |
| NULL, /* m_methods */ |
| NULL, /* m_slots */ |
| NULL, /* m_traverse */ |
| NULL, /* m_clear */ |
| NULL, /* m_free */ |
| }; |
| |
| PyMODINIT_FUNC |
| PyInitU__testmultiphase_zkouka_naten_evc07gi8e(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_nonascii_latin); |
| } |
| |
| static PyModuleDef def_nonascii_kana = { \ |
| PyModuleDef_HEAD_INIT, /* m_base */ |
| "_testmultiphase_nonascii_kana", /* m_name */ |
| PyDoc_STR("Module named in Japanese"), /* m_doc */ |
| 0, /* m_size */ |
| NULL, /* m_methods */ |
| NULL, /* m_slots */ |
| NULL, /* m_traverse */ |
| NULL, /* m_clear */ |
| NULL, /* m_free */ |
| }; |
| |
| PyMODINIT_FUNC |
| PyInitU_eckzbwbhc6jpgzcx415x(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_nonascii_kana); |
| } |
| |
| /*** Module with a single-character name ***/ |
| |
| PyMODINIT_FUNC |
| PyInit_x(PyObject *spec) |
| { |
| return PyModuleDef_Init(&main_def); |
| } |
| |
| /**** Testing NULL slots ****/ |
| |
| static PyModuleDef null_slots_def = TEST_MODULE_DEF( |
| "_testmultiphase_null_slots", NULL, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_null_slots(PyObject *spec) |
| { |
| return PyModuleDef_Init(&null_slots_def); |
| } |
| |
| /**** Problematic modules ****/ |
| |
| static PyModuleDef_Slot slots_bad_large[] = { |
| {_Py_mod_LAST_SLOT + 1, NULL}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_bad_large = TEST_MODULE_DEF( |
| "_testmultiphase_bad_slot_large", slots_bad_large, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_bad_slot_large(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_bad_large); |
| } |
| |
| static PyModuleDef_Slot slots_bad_negative[] = { |
| {-1, NULL}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_bad_negative = TEST_MODULE_DEF( |
| "_testmultiphase_bad_slot_negative", slots_bad_negative, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_bad_slot_negative(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_bad_negative); |
| } |
| |
| static PyModuleDef def_create_int_with_state = { \ |
| PyModuleDef_HEAD_INIT, /* m_base */ |
| "create_with_state", /* m_name */ |
| PyDoc_STR("Not a PyModuleObject object, but requests per-module state"), |
| 10, /* m_size */ |
| NULL, /* m_methods */ |
| slots_create_nonmodule, /* m_slots */ |
| NULL, /* m_traverse */ |
| NULL, /* m_clear */ |
| NULL, /* m_free */ |
| }; |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_create_int_with_state(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_create_int_with_state); |
| } |
| |
| |
| static PyModuleDef def_negative_size = { \ |
| PyModuleDef_HEAD_INIT, /* m_base */ |
| "negative_size", /* m_name */ |
| PyDoc_STR("PyModuleDef with negative m_size"), |
| -1, /* m_size */ |
| NULL, /* m_methods */ |
| slots_create_nonmodule, /* m_slots */ |
| NULL, /* m_traverse */ |
| NULL, /* m_clear */ |
| NULL, /* m_free */ |
| }; |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_negative_size(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_negative_size); |
| } |
| |
| |
| static PyModuleDef uninitialized_def = TEST_MODULE_DEF("main", main_slots, testexport_methods); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_export_uninitialized(PyObject *spec) |
| { |
| return (PyObject*) &uninitialized_def; |
| } |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_export_null(PyObject *spec) |
| { |
| return NULL; |
| } |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_export_raise(PyObject *spec) |
| { |
| PyErr_SetString(PyExc_SystemError, "bad export function"); |
| return NULL; |
| } |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_export_unreported_exception(PyObject *spec) |
| { |
| PyErr_SetString(PyExc_SystemError, "bad export function"); |
| return PyModuleDef_Init(&main_def); |
| } |
| |
| static PyObject* |
| createfunc_null(PyObject *spec, PyModuleDef *def) |
| { |
| return NULL; |
| } |
| |
| PyModuleDef_Slot slots_create_null[] = { |
| {Py_mod_create, createfunc_null}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_create_null = TEST_MODULE_DEF( |
| "_testmultiphase_create_null", slots_create_null, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_create_null(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_create_null); |
| } |
| |
| static PyObject* |
| createfunc_raise(PyObject *spec, PyModuleDef *def) |
| { |
| PyErr_SetString(PyExc_SystemError, "bad create function"); |
| return NULL; |
| } |
| |
| static PyModuleDef_Slot slots_create_raise[] = { |
| {Py_mod_create, createfunc_raise}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_create_raise = TEST_MODULE_DEF( |
| "_testmultiphase_create_null", slots_create_raise, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_create_raise(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_create_raise); |
| } |
| |
| static PyObject* |
| createfunc_unreported_exception(PyObject *spec, PyModuleDef *def) |
| { |
| PyErr_SetString(PyExc_SystemError, "bad create function"); |
| return PyModule_New("foo"); |
| } |
| |
| static PyModuleDef_Slot slots_create_unreported_exception[] = { |
| {Py_mod_create, createfunc_unreported_exception}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_create_unreported_exception = TEST_MODULE_DEF( |
| "_testmultiphase_create_unreported_exception", slots_create_unreported_exception, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_create_unreported_exception(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_create_unreported_exception); |
| } |
| |
| static PyModuleDef_Slot slots_nonmodule_with_exec_slots[] = { |
| {Py_mod_create, createfunc_nonmodule}, |
| {Py_mod_exec, execfunc}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_nonmodule_with_exec_slots = TEST_MODULE_DEF( |
| "_testmultiphase_nonmodule_with_exec_slots", slots_nonmodule_with_exec_slots, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_nonmodule_with_exec_slots(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_nonmodule_with_exec_slots); |
| } |
| |
| static int |
| execfunc_err(PyObject *mod) |
| { |
| return -1; |
| } |
| |
| static PyModuleDef_Slot slots_exec_err[] = { |
| {Py_mod_exec, execfunc_err}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_exec_err = TEST_MODULE_DEF( |
| "_testmultiphase_exec_err", slots_exec_err, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_exec_err(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_exec_err); |
| } |
| |
| static int |
| execfunc_raise(PyObject *spec) |
| { |
| PyErr_SetString(PyExc_SystemError, "bad exec function"); |
| return -1; |
| } |
| |
| static PyModuleDef_Slot slots_exec_raise[] = { |
| {Py_mod_exec, execfunc_raise}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_exec_raise = TEST_MODULE_DEF( |
| "_testmultiphase_exec_raise", slots_exec_raise, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_exec_raise(PyObject *mod) |
| { |
| return PyModuleDef_Init(&def_exec_raise); |
| } |
| |
| static int |
| execfunc_unreported_exception(PyObject *mod) |
| { |
| PyErr_SetString(PyExc_SystemError, "bad exec function"); |
| return 0; |
| } |
| |
| static PyModuleDef_Slot slots_exec_unreported_exception[] = { |
| {Py_mod_exec, execfunc_unreported_exception}, |
| {0, NULL}, |
| }; |
| |
| static PyModuleDef def_exec_unreported_exception = TEST_MODULE_DEF( |
| "_testmultiphase_exec_unreported_exception", slots_exec_unreported_exception, NULL); |
| |
| PyMODINIT_FUNC |
| PyInit__testmultiphase_exec_unreported_exception(PyObject *spec) |
| { |
| return PyModuleDef_Init(&def_exec_unreported_exception); |
| } |