test_multiprocessing's misbehaviour.
* Serializing and unserializing data using the :mod:`pickle` module is now
several times faster. (Contributed by Alexandre Vassalotti, Antoine Pitrou
- and the Unladen Swallow team in :issue:`9410`, :issue:`3873` and
- :issue:`9935`.)
+ and the Unladen Swallow team in :issue:`9410` and :issue:`3873`.)
Filenames and Unicode
import pickle
import pickletools
import copyreg
-import weakref
from http.cookies import SimpleCookie
from test.support import TestFailed, TESTFN, run_with_locale
self.assertEqual(B(x), B(y), detail)
self.assertEqual(x.__dict__, y.__dict__, detail)
- def test_newobj_proxies(self):
- # NEWOBJ should use the __class__ rather than the raw type
- classes = myclasses[:]
- # Cannot create weakproxies to these classes
- for c in (MyInt, MyTuple):
- classes.remove(c)
- for proto in protocols:
- for C in classes:
- B = C.__base__
- x = C(C.sample)
- x.foo = 42
- p = weakref.proxy(x)
- s = self.dumps(p, proto)
- y = self.loads(s)
- self.assertEqual(type(y), type(x)) # rather than type(p)
- detail = (proto, C, B, x, y, type(y))
- self.assertEqual(B(x), B(y), detail)
- self.assertEqual(x.__dict__, y.__dict__, detail)
-
# Register a type with copyreg, with extension code extcode. Pickle
# an object of that type. Check that the resulting pickle uses opcode
# (EXT[124]) under proto 2, and not in proto 1.
self.assertRaises(RuntimeError, self.dumps, x, proto)
# protocol 2 don't raise a RuntimeError.
d = self.dumps(x, 2)
+ self.assertRaises(RuntimeError, self.loads, d)
def test_reduce_bad_iterator(self):
# Issue4176: crash when 4th and 5th items of __reduce__()
Library
-------
-- Issue #9935: Speed up pickling of instances of user-defined classes.
-
- Issue #5639: Add a *server_hostname* argument to ``SSLContext.wrap_socket``
in order to support the TLS SNI extension. ``HTTPSConnection`` and
``urlopen()`` also use this argument, so that HTTPS virtual hosts are now
return status;
}
-static PyObject *
-get_class(PyObject *obj)
-{
- PyObject *cls;
- static PyObject *str_class;
-
- if (str_class == NULL) {
- str_class = PyUnicode_InternFromString("__class__");
- if (str_class == NULL)
- return NULL;
- }
- cls = PyObject_GetAttr(obj, str_class);
- if (cls == NULL) {
- if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
- PyErr_Clear();
- cls = (PyObject *) Py_TYPE(obj);
- Py_INCREF(cls);
- }
- }
- return cls;
-}
-
/* We're saving obj, and args is the 2-thru-5 tuple returned by the
* appropriate __reduce__ method for obj.
*/
/* Protocol 2 special case: if callable's name is __newobj__, use
NEWOBJ. */
if (use_newobj) {
- static PyObject *newobj_str = NULL, *name_str = NULL;
- PyObject *name;
+ static PyObject *newobj_str = NULL;
+ PyObject *name_str;
if (newobj_str == NULL) {
newobj_str = PyUnicode_InternFromString("__newobj__");
- name_str = PyUnicode_InternFromString("__name__");
- if (newobj_str == NULL || name_str == NULL)
+ if (newobj_str == NULL)
return -1;
}
- name = PyObject_GetAttr(callable, name_str);
- if (name == NULL) {
+ name_str = PyObject_GetAttrString(callable, "__name__");
+ if (name_str == NULL) {
if (PyErr_ExceptionMatches(PyExc_AttributeError))
PyErr_Clear();
else
use_newobj = 0;
}
else {
- use_newobj = PyUnicode_Check(name) &&
- PyUnicode_Compare(name, newobj_str) == 0;
- Py_DECREF(name);
+ use_newobj = PyUnicode_Check(name_str) &&
+ PyUnicode_Compare(name_str, newobj_str) == 0;
+ Py_DECREF(name_str);
}
}
if (use_newobj) {
}
cls = PyTuple_GET_ITEM(argtup, 0);
- if (!PyType_Check(cls)) {
+ if (!PyObject_HasAttrString(cls, "__new__")) {
PyErr_SetString(PicklingError, "args[0] from "
- "__newobj__ args is not a type");
+ "__newobj__ args has no __new__");
return -1;
}
if (obj != NULL) {
- obj_class = get_class(obj);
+ obj_class = PyObject_GetAttrString(obj, "__class__");
+ if (obj_class == NULL) {
+ if (PyErr_ExceptionMatches(PyExc_AttributeError))
+ PyErr_Clear();
+ else
+ return -1;
+ }
p = obj_class != cls; /* true iff a problem */
Py_DECREF(obj_class);
if (p) {
import_copyreg(void)
{
static PyObject *copyreg_str;
- static PyObject *mod_copyreg = NULL;
if (!copyreg_str) {
copyreg_str = PyUnicode_InternFromString("copyreg");
if (copyreg_str == NULL)
return NULL;
}
- if (!mod_copyreg) {
- mod_copyreg = PyImport_Import(copyreg_str);
- }
- Py_XINCREF(mod_copyreg);
- return mod_copyreg;
+ return PyImport_Import(copyreg_str);
}
static PyObject *
PyObject *clsdict;
PyObject *copyreg;
PyObject *slotnames;
- static PyObject *str_slotnames;
- if (str_slotnames == NULL) {
- str_slotnames = PyUnicode_InternFromString("__slotnames__");
- if (str_slotnames == NULL)
- return NULL;
+ if (!PyType_Check(cls)) {
+ Py_INCREF(Py_None);
+ return Py_None;
}
clsdict = ((PyTypeObject *)cls)->tp_dict;
- slotnames = PyDict_GetItem(clsdict, str_slotnames);
+ slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
if (slotnames != NULL && PyList_Check(slotnames)) {
Py_INCREF(slotnames);
return slotnames;
PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL;
PyObject *copyreg = NULL, *newobj = NULL, *res = NULL;
Py_ssize_t i, n;
- static PyObject *str_getnewargs = NULL, *str_getstate = NULL,
- *str_newobj = NULL;
-
- if (str_getnewargs == NULL) {
- str_getnewargs = PyUnicode_InternFromString("__getnewargs__");
- str_getstate = PyUnicode_InternFromString("__getstate__");
- str_newobj = PyUnicode_InternFromString("__newobj__");
- if (!str_getnewargs || !str_getstate || !str_newobj)
- return NULL;
- }
- cls = (PyObject *) Py_TYPE(obj);
+ cls = PyObject_GetAttrString(obj, "__class__");
+ if (cls == NULL)
+ return NULL;
- getnewargs = PyObject_GetAttr(obj, str_getnewargs);
+ getnewargs = PyObject_GetAttrString(obj, "__getnewargs__");
if (getnewargs != NULL) {
args = PyObject_CallObject(getnewargs, NULL);
Py_DECREF(getnewargs);
if (args == NULL)
goto end;
- getstate = PyObject_GetAttr(obj, str_getstate);
+ getstate = PyObject_GetAttrString(obj, "__getstate__");
if (getstate != NULL) {
state = PyObject_CallObject(getstate, NULL);
Py_DECREF(getstate);
goto end;
}
else {
- PyObject **dict;
PyErr_Clear();
- dict = _PyObject_GetDictPtr(obj);
- if (dict && *dict)
- state = *dict;
- else
+ state = PyObject_GetAttrString(obj, "__dict__");
+ if (state == NULL) {
+ PyErr_Clear();
state = Py_None;
- Py_INCREF(state);
+ Py_INCREF(state);
+ }
names = slotnames(cls);
if (names == NULL)
goto end;
- if (names != Py_None && PyList_GET_SIZE(names) > 0) {
+ if (names != Py_None) {
assert(PyList_Check(names));
slots = PyDict_New();
if (slots == NULL)
copyreg = import_copyreg();
if (copyreg == NULL)
goto end;
- newobj = PyObject_GetAttr(copyreg, str_newobj);
+ newobj = PyObject_GetAttrString(copyreg, "__newobj__");
if (newobj == NULL)
goto end;
args2 = PyTuple_New(n+1);
if (args2 == NULL)
goto end;
- Py_INCREF(cls);
PyTuple_SET_ITEM(args2, 0, cls);
+ cls = NULL;
for (i = 0; i < n; i++) {
PyObject *v = PyTuple_GET_ITEM(args, i);
Py_INCREF(v);
res = PyTuple_Pack(5, newobj, args2, state, listitems, dictitems);
end:
+ Py_XDECREF(cls);
Py_XDECREF(args);
Py_XDECREF(args2);
Py_XDECREF(slots);
static PyObject *
object_reduce_ex(PyObject *self, PyObject *args)
{
- static PyObject *str_reduce = NULL, *objreduce;
PyObject *reduce, *res;
int proto = 0;
if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto))
return NULL;
- if (str_reduce == NULL) {
- str_reduce = PyUnicode_InternFromString("__reduce__");
- objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
- "__reduce__");
- if (str_reduce == NULL || objreduce == NULL)
- return NULL;
- }
-
- reduce = PyObject_GetAttr(self, str_reduce);
+ reduce = PyObject_GetAttrString(self, "__reduce__");
if (reduce == NULL)
PyErr_Clear();
else {
- PyObject *cls, *clsreduce;
+ PyObject *cls, *clsreduce, *objreduce;
int override;
-
- cls = (PyObject *) Py_TYPE(self);
- clsreduce = PyObject_GetAttr(cls, str_reduce);
+ cls = PyObject_GetAttrString(self, "__class__");
+ if (cls == NULL) {
+ Py_DECREF(reduce);
+ return NULL;
+ }
+ clsreduce = PyObject_GetAttrString(cls, "__reduce__");
+ Py_DECREF(cls);
if (clsreduce == NULL) {
Py_DECREF(reduce);
return NULL;
}
+ objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
+ "__reduce__");
override = (clsreduce != objreduce);
Py_DECREF(clsreduce);
if (override) {
projects / python / commitdiff