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Fix the bug described in

Browse source 
http://mail.python.org/pipermail/python-dev/2002-June/025461.html

with test cases.

Also includes extended slice support for arrays, which I thought I'd
already checked in but obviously not.
This commit is contained in:
Michael W. Hudson 2002-06-19 15:44:15 +00:00
parent fe0ca4a0f5
commit 9c14badc5f
4 changed files with 233 additions and 7 deletions
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14
Objects/listobject.c
View file

@ -1757,9 +1757,13 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
return -1;
}
/* treat L[slice(a,b)] = v _exactly_ like L[a:b] = v */
if (step == 1 && ((PySliceObject*)item)->step == Py_None)
return list_ass_slice(self, start, stop, value);
if (value == NULL) {
/* delete slice */
PyObject **garbage, **item;
PyObject **garbage, **it;
int cur, i, j;
if (slicelength <= 0)
@ -1788,15 +1792,15 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
cur + j + 1));
}
}
for (cur = start + slicelength*step + 1;
for (cur = start + slicelength*step + 1;
cur < self->ob_size; cur++) {
PyList_SET_ITEM(self, cur - slicelength,
PyList_GET_ITEM(self, cur));
}
self->ob_size -= slicelength;
item = self->ob_item;
NRESIZE(item, PyObject*, self->ob_size);
self->ob_item = item;
it = self->ob_item;
NRESIZE(it, PyObject*, self->ob_size);
self->ob_item = it;
for (i = 0; i < slicelength; i++) {
Py_DECREF(garbage[i]);