[Python-checkins] cpython: Issue #28289: ImportError.__init__ now resets not specified attributes.
serhiy.storchaka
python-checkins at python.org
Thu Sep 29 13:48:07 EDT 2016
https://hg.python.org/cpython/rev/dcb39d3ba67a
changeset: 104161:dcb39d3ba67a
parent: 104159:a2c5179bce01
user: Serhiy Storchaka <storchaka at gmail.com>
date: Wed Sep 28 07:53:32 2016 +0300
summary:
Issue #28289: ImportError.__init__ now resets not specified attributes.
files:
Lib/test/test_exceptions.py | 14 ++++++++++++++
Misc/NEWS | 2 ++
Objects/exceptions.c | 16 +++++++---------
3 files changed, 23 insertions(+), 9 deletions(-)
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -1112,6 +1112,20 @@
with self.assertRaisesRegex(TypeError, msg):
ImportError('test', invalid='keyword', another=True)
+ def test_reset_attributes(self):
+ exc = ImportError('test', name='name', path='path')
+ self.assertEqual(exc.args, ('test',))
+ self.assertEqual(exc.msg, 'test')
+ self.assertEqual(exc.name, 'name')
+ self.assertEqual(exc.path, 'path')
+
+ # Reset not specified attributes
+ exc.__init__()
+ self.assertEqual(exc.args, ())
+ self.assertEqual(exc.msg, None)
+ self.assertEqual(exc.name, None)
+ self.assertEqual(exc.path, None)
+
def test_non_str_argument(self):
# Issue #15778
with check_warnings(('', BytesWarning), quiet=True):
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,8 @@
Core and Builtins
-----------------
+- Issue #28289: ImportError.__init__ now resets not specified attributes.
+
- Issue #21578: Fixed misleading error message when ImportError called with
invalid keyword args.
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -631,19 +631,17 @@
}
Py_DECREF(empty_tuple);
- if (name) {
- Py_INCREF(name);
- Py_XSETREF(self->name, name);
- }
- if (path) {
- Py_INCREF(path);
- Py_XSETREF(self->path, path);
- }
+ Py_XINCREF(name);
+ Py_XSETREF(self->name, name);
+
+ Py_XINCREF(path);
+ Py_XSETREF(self->path, path);
+
if (PyTuple_GET_SIZE(args) == 1) {
msg = PyTuple_GET_ITEM(args, 0);
Py_INCREF(msg);
- Py_XSETREF(self->msg, msg);
}
+ Py_XSETREF(self->msg, msg);
return 0;
}
--
Repository URL: https://hg.python.org/cpython
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