Author: Matti Picus <matti.pi...@gmail.com>
Branch: cpyext-null-slots
Changeset: r87335:e42723277e23
Date: 2016-09-23 00:39 +0300
http://bitbucket.org/pypy/pypy/changeset/e42723277e23/
Log: add a test that shows incompatibility in method lookup() resolution
diff --git a/pypy/module/cpyext/test/test_bytesobject.py
b/pypy/module/cpyext/test/test_bytesobject.py
--- a/pypy/module/cpyext/test/test_bytesobject.py
+++ b/pypy/module/cpyext/test/test_bytesobject.py
@@ -99,13 +99,13 @@
"""),
('alloc_rw', "METH_NOARGS",
'''
- PyObject *obj = _PyObject_NewVar(&PyBytes_Type, 10);
+ PyVarObject *obj = _PyObject_NewVar(&PyBytes_Type, 10);
memcpy(PyBytes_AS_STRING(obj), "works", 6);
return (PyObject*)obj;
'''),
])
s = module.alloc_rw()
- assert s == b'works' + b'\x00' * 5
+ assert s[:6] == b'works\x00'
s = module.tpalloc()
assert s == b'\x00' * 10
@@ -343,14 +343,16 @@
assert module.test_sstate()
def test_subclass(self):
- # taken from PyStringArrType_Type in numpy's scalartypes.c.src
+ # part 1 - taken from PyStringArrType_Type in numpy's scalartypes.c.src
+ # part 2 - make sure int(np.string_('abc')) does not reach nb_int,
+ # i.e. it fails space.lookup(ob, "__int__") in
+ # _newint() from std/intobject.py
module = self.import_extension('bar', [
("newsubstr", "METH_O",
"""
PyObject * obj;
char * data;
int len;
- PyType_Ready(&PyStringArrType_Type);
data = PyString_AS_STRING(args);
len = PyString_GET_SIZE(args);
@@ -369,63 +371,98 @@
0 /* tp_itemsize */
};
- static PyObject *
- stringtype_repr(PyObject *self)
- {
- const char *dptr, *ip;
- int len;
- PyObject *new;
+ static PyObject *
+ stringtype_repr(PyObject *self)
+ {
+ const char *dptr, *ip;
+ int len;
+ PyObject *new;
- ip = dptr = PyString_AS_STRING(self);
- len = PyString_GET_SIZE(self);
- dptr += len-1;
- while(len > 0 && *dptr-- == 0) {
- len--;
- }
- new = PyString_FromStringAndSize(ip, len);
- if (new == NULL) {
- return PyString_FromString("");
- }
- return new;
+ ip = dptr = PyString_AS_STRING(self);
+ len = PyString_GET_SIZE(self);
+ dptr += len-1;
+ while(len > 0 && *dptr-- == 0) {
+ len--;
}
+ new = PyString_FromStringAndSize(ip, len);
+ if (new == NULL) {
+ return PyString_FromString("");
+ }
+ return new;
+ }
- static PyObject *
- stringtype_str(PyObject *self)
- {
- const char *dptr, *ip;
- int len;
- PyObject *new;
+ static PyObject *
+ stringtype_str(PyObject *self)
+ {
+ const char *dptr, *ip;
+ int len;
+ PyObject *new;
- ip = dptr = PyString_AS_STRING(self);
- len = PyString_GET_SIZE(self);
- dptr += len-1;
- while(len > 0 && *dptr-- == 0) {
- len--;
- }
- new = PyString_FromStringAndSize(ip, len);
- if (new == NULL) {
- return PyString_FromString("");
- }
- return new;
+ ip = dptr = PyString_AS_STRING(self);
+ len = PyString_GET_SIZE(self);
+ dptr += len-1;
+ while(len > 0 && *dptr-- == 0) {
+ len--;
}
+ new = PyString_FromStringAndSize(ip, len);
+ if (new == NULL) {
+ return PyString_FromString("");
+ }
+ return new;
+ }
- PyObject *
- PyArray_Scalar(char *data, int n)
- {
- PyTypeObject *type = &PyStringArrType_Type;
- PyObject *obj;
- void *destptr;
- int itemsize = n;
- obj = type->tp_alloc(type, itemsize);
- if (obj == NULL) {
- return NULL;
- }
- destptr = PyString_AS_STRING(obj);
- ((PyBytesObject *)obj)->ob_shash = -1;
- memcpy(destptr, data, itemsize);
- return obj;
+ PyObject *
+ PyArray_Scalar(char *data, int n)
+ {
+ PyTypeObject *type = &PyStringArrType_Type;
+ PyObject *obj;
+ void *destptr;
+ int itemsize = n;
+ obj = type->tp_alloc(type, itemsize);
+ if (obj == NULL) {
+ return NULL;
}
+ destptr = PyString_AS_STRING(obj);
+ ((PyBytesObject *)obj)->ob_shash = -1;
+ memcpy(destptr, data, itemsize);
+ return obj;
+ }
+
+ static PyTypeObject Intermediate_Type = {
+ PyObject_HEAD_INIT(NULL)
+ 0,
+ "bar.Intermediate",
+ };
+
+ static PyTypeObject Base_Type = {
+ PyObject_HEAD_INIT(NULL)
+ 0,
+ "bar.Base",
+ };
+
+ PyObject *
+ nb_int(PyObject * self)
+ {
+ return PyLong_FromLong(42);
+ }
+
+ PyNumberMethods base_as_number;
""", more_init = '''
+ if (PyType_Ready(&PyString_Type)<0)
+ return;
+
+ base_as_number.nb_int = nb_int;
+ /*Base_Type.tp_base = &PyType_Type;*/
+ Base_Type.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
+ Base_Type.tp_as_number = &base_as_number;
+ if (PyType_Ready(&Base_Type) < 0)
+ return;
+
+ Intermediate_Type.tp_base = &Base_Type;
+ Intermediate_Type.tp_flags = Py_TPFLAGS_DEFAULT |
Py_TPFLAGS_BASETYPE;
+ if (PyType_Ready(&Intermediate_Type) < 0)
+ return;
+
PyStringArrType_Type.tp_alloc = NULL;
PyStringArrType_Type.tp_free = NULL;
@@ -434,11 +471,18 @@
PyStringArrType_Type.tp_flags =
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE;
PyStringArrType_Type.tp_itemsize = sizeof(char);
PyStringArrType_Type.tp_base = &PyString_Type;
+ PyStringArrType_Type.tp_bases = Py_BuildValue("(OO)",
+ &PyString_Type, &Intermediate_Type);
+ PyType_Ready(&PyStringArrType_Type);
+ Py_INCREF(&PyStringArrType_Type);
''')
a = module.newsubstr('abc')
assert type(a).__name__ == 'string_'
assert a == 'abc'
+ #print type(a).mro(type(a))
+ raises(ValueError, int, a)
+
class TestBytes(BaseApiTest):
def test_bytes_resize(self, space, api):
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