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Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.

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This commit is contained in:
Robert Schuppenies 2008-06-01 16:16:17 +00:00
parent 6495c8da8f
commit 51df064767
9 changed files with 271 additions and 2 deletions
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16
Objects/typeobject.c
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@ -3397,6 +3397,20 @@ object_format(PyObject *self, PyObject *args)
return result;
}
static PyObject *
object_sizeof(PyObject *self, PyObject *args)
{
Py_ssize_t res, isize;
res = 0;
isize = self->ob_type->tp_itemsize;
if (isize > 0)
res = self->ob_type->ob_size * isize;
res += self->ob_type->tp_basicsize;
return PyInt_FromSsize_t(res);
}
static PyMethodDef object_methods[] = {
{"__reduce_ex__", object_reduce_ex, METH_VARARGS,
PyDoc_STR("helper for pickle")},
@ -3406,6 +3420,8 @@ static PyMethodDef object_methods[] = {
object_subclasshook_doc},
{"__format__", object_format, METH_VARARGS,
PyDoc_STR("default object formatter")},
{"__sizeof__", object_sizeof, METH_NOARGS,
PyDoc_STR("__sizeof__() -> size of object in bytes")},
{0}
};