mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 16:39:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-26579: Add object.__getstate__(). (GH-2821)

Browse source 
Copying and pickling instances of subclasses of builtin types
bytearray, set, frozenset, collections.OrderedDict, collections.deque,
weakref.WeakSet, and datetime.tzinfo now copies and pickles instance attributes
implemented as slots.
This commit is contained in:
Serhiy Storchaka 2022-04-06 20:00:14 +03:00 • committed by GitHub
parent f82f9ce323
commit 884eba3c76
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
25 changed files with 389 additions and 255 deletions
Download patch file Download diff file Expand all files Collapse all files

29
Objects/bytearrayobject.c
View file

@ -2122,35 +2122,26 @@ bytearray_hex_impl(PyByteArrayObject *self, PyObject *sep, int bytes_per_sep)
static PyObject *
_common_reduce(PyByteArrayObject *self, int proto)
{
PyObject *dict;
char *buf;
PyObject *state;
const char *buf;
if (_PyObject_LookupAttr((PyObject *)self, &_Py_ID(__dict__), &dict) < 0) {
state = _PyObject_GetState((PyObject *)self);
if (state == NULL) {
return NULL;
}
if (dict == NULL) {
dict = Py_None;
Py_INCREF(dict);
}
if (!Py_SIZE(self)) {
return Py_BuildValue("(O()N)", Py_TYPE(self), state);
}
buf = PyByteArray_AS_STRING(self);
if (proto < 3) {
/* use str based reduction for backwards compatibility with Python 2.x */
PyObject *latin1;
if (Py_SIZE(self))
latin1 = PyUnicode_DecodeLatin1(buf, Py_SIZE(self), NULL);
else
latin1 = PyUnicode_FromString("");
return Py_BuildValue("(O(Ns)N)", Py_TYPE(self), latin1, "latin-1", dict);
PyObject *latin1 = PyUnicode_DecodeLatin1(buf, Py_SIZE(self), NULL);
return Py_BuildValue("(O(Ns)N)", Py_TYPE(self), latin1, "latin-1", state);
}
else {
/* use more efficient byte based reduction */
if (Py_SIZE(self)) {
return Py_BuildValue("(O(y#)N)", Py_TYPE(self), buf, Py_SIZE(self), dict);
}
else {
return Py_BuildValue("(O()N)", Py_TYPE(self), dict);
}
return Py_BuildValue("(O(y#)N)", Py_TYPE(self), buf, Py_SIZE(self), state);
}
}