diff options
-rw-r--r-- | Lib/test/test_buffer.py | 15 | ||||
-rw-r--r-- | Lib/test/test_sys.py | 5 | ||||
-rw-r--r-- | Misc/NEWS | 3 | ||||
-rw-r--r-- | Objects/bytesobject.c | 37 | ||||
-rw-r--r-- | Objects/tupleobject.c | 12 | ||||
-rw-r--r-- | Objects/typeobject.c | 2 |
6 files changed, 22 insertions, 52 deletions
diff --git a/Lib/test/test_buffer.py b/Lib/test/test_buffer.py index 0976fa9..d921a5a 100644 --- a/Lib/test/test_buffer.py +++ b/Lib/test/test_buffer.py @@ -2462,6 +2462,21 @@ class TestBufferProtocol(unittest.TestCase): self.assertEqual(m.tobytes(), b'') self.assertEqual(m.tolist(), []) + check_sizeof = support.check_sizeof + + def test_memoryview_sizeof(self): + check = self.check_sizeof + vsize = support.calcvobjsize + base_struct = 'Pnin 2P2n2i5P P' + per_dim = '3n' + + items = list(range(8)) + check(memoryview(b''), vsize(base_struct + 1 * per_dim)) + a = ndarray(items, shape=[2, 4], format="b") + check(memoryview(a), vsize(base_struct + 2 * per_dim)) + a = ndarray(items, shape=[2, 2, 2], format="b") + check(memoryview(a), vsize(base_struct + 3 * per_dim)) + def test_memoryview_struct_module(self): class INT(object): diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py index ed6b47d..dc241a6 100644 --- a/Lib/test/test_sys.py +++ b/Lib/test/test_sys.py @@ -846,6 +846,9 @@ class SizeofTest(unittest.TestCase): check(x, vsize('n2Pi') + x.__alloc__()) # bytearray_iterator check(iter(bytearray()), size('nP')) + # bytes + check(b'', vsize('n') + 1) + check(b'x' * 10, vsize('n') + 11) # cell def get_cell(): x = 42 @@ -965,8 +968,6 @@ class SizeofTest(unittest.TestCase): check(int(PyLong_BASE), vsize('') + 2*self.longdigit) check(int(PyLong_BASE**2-1), vsize('') + 2*self.longdigit) check(int(PyLong_BASE**2), vsize('') + 3*self.longdigit) - # memoryview - check(memoryview(b''), size('Pnin 2P2n2i5P Pn')) # module check(unittest, size('PnPPP')) # None @@ -10,6 +10,9 @@ Release date: 2015-03-28 Core and Builtins ----------------- +- Issue #23629: Fix the default __sizeof__ implementation for variable-sized + objects. + Library ------- diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c index b015974..2ceba48 100644 --- a/Objects/bytesobject.c +++ b/Objects/bytesobject.c @@ -3463,42 +3463,6 @@ bytes_fromhex_impl(PyTypeObject *type, PyObject *string) return NULL; } -/*[clinic input] -bytes.__sizeof__ as bytes_sizeof - - self: self(type="PyBytesObject *") - -Returns the size of the bytes object in memory, in bytes. -[clinic start generated code]*/ - -PyDoc_STRVAR(bytes_sizeof__doc__, -"__sizeof__($self, /)\n" -"--\n" -"\n" -"Returns the size of the bytes object in memory, in bytes."); - -#define BYTES_SIZEOF_METHODDEF \ - {"__sizeof__", (PyCFunction)bytes_sizeof, METH_NOARGS, bytes_sizeof__doc__}, - -static PyObject * -bytes_sizeof_impl(PyBytesObject *self); - -static PyObject * -bytes_sizeof(PyBytesObject *self, PyObject *Py_UNUSED(ignored)) -{ - return bytes_sizeof_impl(self); -} - -static PyObject * -bytes_sizeof_impl(PyBytesObject *self) -/*[clinic end generated code: output=44933279343f24ae input=bee4c64bb42078ed]*/ -{ - Py_ssize_t res; - res = PyBytesObject_SIZE + Py_SIZE(self) * Py_TYPE(self)->tp_itemsize; - return PyLong_FromSsize_t(res); -} - - static PyObject * bytes_getnewargs(PyBytesObject *v) { @@ -3559,7 +3523,6 @@ bytes_methods[] = { BYTES_TRANSLATE_METHODDEF {"upper", (PyCFunction)stringlib_upper, METH_NOARGS, _Py_upper__doc__}, {"zfill", (PyCFunction)stringlib_zfill, METH_VARARGS, zfill__doc__}, - BYTES_SIZEOF_METHODDEF {NULL, NULL} /* sentinel */ }; diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c index e45462b..7efa1a6 100644 --- a/Objects/tupleobject.c +++ b/Objects/tupleobject.c @@ -759,27 +759,15 @@ tuple_getnewargs(PyTupleObject *v) } -static PyObject * -tuple_sizeof(PyTupleObject *self) -{ - Py_ssize_t res; - - res = PyTuple_Type.tp_basicsize + Py_SIZE(self) * sizeof(PyObject *); - return PyLong_FromSsize_t(res); -} - PyDoc_STRVAR(index_doc, "T.index(value, [start, [stop]]) -> integer -- return first index of value.\n" "Raises ValueError if the value is not present." ); PyDoc_STRVAR(count_doc, "T.count(value) -> integer -- return number of occurrences of value"); -PyDoc_STRVAR(sizeof_doc, -"T.__sizeof__() -- size of T in memory, in bytes"); static PyMethodDef tuple_methods[] = { {"__getnewargs__", (PyCFunction)tuple_getnewargs, METH_NOARGS}, - {"__sizeof__", (PyCFunction)tuple_sizeof, METH_NOARGS, sizeof_doc}, {"index", (PyCFunction)tupleindex, METH_VARARGS, index_doc}, {"count", (PyCFunction)tuplecount, METH_O, count_doc}, {NULL, NULL} /* sentinel */ diff --git a/Objects/typeobject.c b/Objects/typeobject.c index be53868..030dc1f 100644 --- a/Objects/typeobject.c +++ b/Objects/typeobject.c @@ -4276,7 +4276,7 @@ object_sizeof(PyObject *self, PyObject *args) res = 0; isize = self->ob_type->tp_itemsize; if (isize > 0) - res = Py_SIZE(self->ob_type) * isize; + res = Py_SIZE(self) * isize; res += self->ob_type->tp_basicsize; return PyLong_FromSsize_t(res); |