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