diff --git a/Lib/pickle.py b/Lib/pickle.py index 0c6b1774e02..ab63cb21103 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -314,16 +314,17 @@ class _Unframer: # Tools used for pickling. def _getattribute(obj, name): + top = obj for subpath in name.split('.'): if subpath == '': raise AttributeError("Can't get local attribute {!r} on {!r}" - .format(name, obj)) + .format(name, top)) try: parent = obj obj = getattr(obj, subpath) except AttributeError: raise AttributeError("Can't get attribute {!r} on {!r}" - .format(name, obj)) from None + .format(name, top)) from None return obj, parent def whichmodule(obj, name): @@ -832,7 +833,7 @@ class _Pickler: if _HAVE_PICKLE_BUFFER: def save_picklebuffer(self, obj): if self.proto < 5: - raise PicklingError("PickleBuffer can only pickled with " + raise PicklingError("PickleBuffer can only be pickled with " "protocol >= 5") with obj.raw() as m: if not m.contiguous: diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py index 174f4ff6d02..a2b49e6c92a 100644 --- a/Lib/test/pickletester.py +++ b/Lib/test/pickletester.py @@ -1982,8 +1982,10 @@ class AbstractPicklingErrorTests: pb = pickle.PickleBuffer(b"foobar") for proto in range(0, 5): with self.subTest(proto=proto): - with self.assertRaises(pickle.PickleError): + with self.assertRaises(pickle.PickleError) as cm: self.dumps(pb, proto) + self.assertEqual(str(cm.exception), + 'PickleBuffer can only be pickled with protocol >= 5') def test_non_continuous_buffer(self): if self.pickler is pickle._Pickler: diff --git a/Misc/NEWS.d/next/Library/2024-07-29-10-24-48.gh-issue-122311.xChV1b.rst b/Misc/NEWS.d/next/Library/2024-07-29-10-24-48.gh-issue-122311.xChV1b.rst new file mode 100644 index 00000000000..8d70c610a8d --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-07-29-10-24-48.gh-issue-122311.xChV1b.rst @@ -0,0 +1 @@ +Fix some error messages in :mod:`pickle`. diff --git a/Modules/_pickle.c b/Modules/_pickle.c index 21be72c185e..3a2e8bc4aa6 100644 --- a/Modules/_pickle.c +++ b/Modules/_pickle.c @@ -1817,10 +1817,10 @@ get_dotted_path(PyObject *obj, PyObject *name) if (_PyUnicode_EqualToASCIIString(subpath, "")) { if (obj == NULL) PyErr_Format(PyExc_AttributeError, - "Can't pickle local object %R", name); + "Can't get local object %R", name); else PyErr_Format(PyExc_AttributeError, - "Can't pickle local attribute %R on %R", name, obj); + "Can't get local attribute %R on %R", name, obj); Py_DECREF(dotted_path); return NULL; } @@ -2507,7 +2507,7 @@ save_picklebuffer(PickleState *st, PicklerObject *self, PyObject *obj) { if (self->proto < 5) { PyErr_SetString(st->PicklingError, - "PickleBuffer can only pickled with protocol >= 5"); + "PickleBuffer can only be pickled with protocol >= 5"); return -1; } const Py_buffer* view = PyPickleBuffer_GetBuffer(obj);