Update 2025-04-24_11:44:19

venv/lib/python3.11/site-packages/greenlet/tests/_test_extension.c

@@ -0,0 +1,231 @@
+/* This is a set of functions used by test_extension_interface.py to test the
+ * Greenlet C API.
+ */
+
+#include "../greenlet.h"
+
+#ifndef Py_RETURN_NONE
+#    define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
+#endif
+
+#define TEST_MODULE_NAME "_test_extension"
+
+static PyObject*
+test_switch(PyObject* self, PyObject* greenlet)
+{
+    PyObject* result = NULL;
+
+    if (greenlet == NULL || !PyGreenlet_Check(greenlet)) {
+        PyErr_BadArgument();
+        return NULL;
+    }
+
+    result = PyGreenlet_Switch((PyGreenlet*)greenlet, NULL, NULL);
+    if (result == NULL) {
+        if (!PyErr_Occurred()) {
+            PyErr_SetString(PyExc_AssertionError,
+                            "greenlet.switch() failed for some reason.");
+        }
+        return NULL;
+    }
+    Py_INCREF(result);
+    return result;
+}
+
+static PyObject*
+test_switch_kwargs(PyObject* self, PyObject* args, PyObject* kwargs)
+{
+    PyGreenlet* g = NULL;
+    PyObject* result = NULL;
+
+    PyArg_ParseTuple(args, "O!", &PyGreenlet_Type, &g);
+
+    if (g == NULL || !PyGreenlet_Check(g)) {
+        PyErr_BadArgument();
+        return NULL;
+    }
+
+    result = PyGreenlet_Switch(g, NULL, kwargs);
+    if (result == NULL) {
+        if (!PyErr_Occurred()) {
+            PyErr_SetString(PyExc_AssertionError,
+                            "greenlet.switch() failed for some reason.");
+        }
+        return NULL;
+    }
+    Py_XINCREF(result);
+    return result;
+}
+
+static PyObject*
+test_getcurrent(PyObject* self)
+{
+    PyGreenlet* g = PyGreenlet_GetCurrent();
+    if (g == NULL || !PyGreenlet_Check(g) || !PyGreenlet_ACTIVE(g)) {
+        PyErr_SetString(PyExc_AssertionError,
+                        "getcurrent() returned an invalid greenlet");
+        Py_XDECREF(g);
+        return NULL;
+    }
+    Py_DECREF(g);
+    Py_RETURN_NONE;
+}
+
+static PyObject*
+test_setparent(PyObject* self, PyObject* arg)
+{
+    PyGreenlet* current;
+    PyGreenlet* greenlet = NULL;
+
+    if (arg == NULL || !PyGreenlet_Check(arg)) {
+        PyErr_BadArgument();
+        return NULL;
+    }
+    if ((current = PyGreenlet_GetCurrent()) == NULL) {
+        return NULL;
+    }
+    greenlet = (PyGreenlet*)arg;
+    if (PyGreenlet_SetParent(greenlet, current)) {
+        Py_DECREF(current);
+        return NULL;
+    }
+    Py_DECREF(current);
+    if (PyGreenlet_Switch(greenlet, NULL, NULL) == NULL) {
+        return NULL;
+    }
+    Py_RETURN_NONE;
+}
+
+static PyObject*
+test_new_greenlet(PyObject* self, PyObject* callable)
+{
+    PyObject* result = NULL;
+    PyGreenlet* greenlet = PyGreenlet_New(callable, NULL);
+
+    if (!greenlet) {
+        return NULL;
+    }
+
+    result = PyGreenlet_Switch(greenlet, NULL, NULL);
+    Py_CLEAR(greenlet);
+    if (result == NULL) {
+        return NULL;
+    }
+
+    Py_INCREF(result);
+    return result;
+}
+
+static PyObject*
+test_raise_dead_greenlet(PyObject* self)
+{
+    PyErr_SetString(PyExc_GreenletExit, "test GreenletExit exception.");
+    return NULL;
+}
+
+static PyObject*
+test_raise_greenlet_error(PyObject* self)
+{
+    PyErr_SetString(PyExc_GreenletError, "test greenlet.error exception");
+    return NULL;
+}
+
+static PyObject*
+test_throw(PyObject* self, PyGreenlet* g)
+{
+    const char msg[] = "take that sucka!";
+    PyObject* msg_obj = Py_BuildValue("s", msg);
+    PyGreenlet_Throw(g, PyExc_ValueError, msg_obj, NULL);
+    Py_DECREF(msg_obj);
+    if (PyErr_Occurred()) {
+        return NULL;
+    }
+    Py_RETURN_NONE;
+}
+
+static PyObject*
+test_throw_exact(PyObject* self, PyObject* args)
+{
+    PyGreenlet* g = NULL;
+    PyObject* typ = NULL;
+    PyObject* val = NULL;
+    PyObject* tb = NULL;
+
+    if (!PyArg_ParseTuple(args, "OOOO:throw", &g, &typ, &val, &tb)) {
+        return NULL;
+    }
+
+    PyGreenlet_Throw(g, typ, val, tb);
+    if (PyErr_Occurred()) {
+        return NULL;
+    }
+    Py_RETURN_NONE;
+}
+
+static PyMethodDef test_methods[] = {
+    {"test_switch",
+     (PyCFunction)test_switch,
+     METH_O,
+     "Switch to the provided greenlet sending provided arguments, and \n"
+     "return the results."},
+    {"test_switch_kwargs",
+     (PyCFunction)test_switch_kwargs,
+     METH_VARARGS | METH_KEYWORDS,
+     "Switch to the provided greenlet sending the provided keyword args."},
+    {"test_getcurrent",
+     (PyCFunction)test_getcurrent,
+     METH_NOARGS,
+     "Test PyGreenlet_GetCurrent()"},
+    {"test_setparent",
+     (PyCFunction)test_setparent,
+     METH_O,
+     "Se the parent of the provided greenlet and switch to it."},
+    {"test_new_greenlet",
+     (PyCFunction)test_new_greenlet,
+     METH_O,
+     "Test PyGreenlet_New()"},
+    {"test_raise_dead_greenlet",
+     (PyCFunction)test_raise_dead_greenlet,
+     METH_NOARGS,
+     "Just raise greenlet.GreenletExit"},
+    {"test_raise_greenlet_error",
+     (PyCFunction)test_raise_greenlet_error,
+     METH_NOARGS,
+     "Just raise greenlet.error"},
+    {"test_throw",
+     (PyCFunction)test_throw,
+     METH_O,
+     "Throw a ValueError at the provided greenlet"},
+    {"test_throw_exact",
+     (PyCFunction)test_throw_exact,
+     METH_VARARGS,
+     "Throw exactly the arguments given at the provided greenlet"},
+    {NULL, NULL, 0, NULL}
+};
+
+
+#define INITERROR return NULL
+
+static struct PyModuleDef moduledef = {PyModuleDef_HEAD_INIT,
+                                       TEST_MODULE_NAME,
+                                       NULL,
+                                       0,
+                                       test_methods,
+                                       NULL,
+                                       NULL,
+                                       NULL,
+                                       NULL};
+
+PyMODINIT_FUNC
+PyInit__test_extension(void)
+{
+    PyObject* module = NULL;
+    module = PyModule_Create(&moduledef);
+
+    if (module == NULL) {
+        return NULL;
+    }
+
+    PyGreenlet_Import();
+    return module;
+}