From f43f65b69f9190ed7300b8d0334d8f44b657b9fd Mon Sep 17 00:00:00 2001 From: Antoine Pitrou Date: Wed, 1 Sep 2010 21:16:10 +0000 Subject: Merged revisions 84408-84409 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r84408 | antoine.pitrou | 2010-09-01 23:14:16 +0200 (mer., 01 sept. 2010) | 4 lines Issue #9737: Fix a crash when trying to delete a slice or an item from a memoryview object. ........ r84409 | antoine.pitrou | 2010-09-01 23:14:46 +0200 (mer., 01 sept. 2010) | 3 lines Fix a compilation warning ........ --- Lib/test/test_memoryview.py | 9 +++++++++ Misc/NEWS | 3 +++ Objects/memoryobject.c | 7 ++++++- 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/Lib/test/test_memoryview.py b/Lib/test/test_memoryview.py index abda678..3f82307 100644 --- a/Lib/test/test_memoryview.py +++ b/Lib/test/test_memoryview.py @@ -111,6 +111,15 @@ class AbstractMemoryTests: m = None self.assertEquals(sys.getrefcount(b), oldrefcount) + def test_delitem(self): + for tp in self._types: + b = tp(self._source) + m = self._view(b) + with self.assertRaises(TypeError): + del m[1] + with self.assertRaises(TypeError): + del m[1:4] + def test_tobytes(self): for tp in self._types: m = self._view(tp(self._source)) diff --git a/Misc/NEWS b/Misc/NEWS index 4086378..e342ee8 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -12,6 +12,9 @@ What's New in Python 3.1.3? Core and Builtins ----------------- +- Issue #9737: Fix a crash when trying to delete a slice or an item from + a memoryview object. + - Issue #7415: PyUnicode_FromEncodedObject() now uses the new buffer API properly. Patch by Stefan Behnel. diff --git a/Objects/memoryobject.c b/Objects/memoryobject.c index d09c268..f5dacb0 100644 --- a/Objects/memoryobject.c +++ b/Objects/memoryobject.c @@ -179,7 +179,7 @@ _indirect_copy_nd(char *dest, Py_buffer *view, char fort) int k; Py_ssize_t elements; char *ptr; - void (*func)(int, Py_ssize_t *, Py_ssize_t *); + void (*func)(int, Py_ssize_t *, const Py_ssize_t *); if (view->ndim > PY_SSIZE_T_MAX / sizeof(Py_ssize_t)) { PyErr_NoMemory(); @@ -631,6 +631,11 @@ memory_ass_sub(PyMemoryViewObject *self, PyObject *key, PyObject *value) "cannot modify read-only memory"); return -1; } + if (value == NULL) { + PyErr_SetString(PyExc_TypeError, + "cannot delete memory"); + return -1; + } if (view->ndim != 1) { PyErr_SetNone(PyExc_NotImplementedError); return -1; -- cgit v0.12