Closes #16126: PyErr_Format format mismatch in _testcapimodule.c
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py
index d3c4a04..af15a3d 100644
--- a/Lib/test/test_capi.py
+++ b/Lib/test/test_capi.py
@@ -316,6 +316,17 @@
c, i, when_skipped, when_not_skipped))
self.assertIs(when_skipped, when_not_skipped, message)
+ def test_parse_tuple_and_keywords(self):
+ # parse_tuple_and_keywords error handling tests
+ self.assertRaises(TypeError, _testcapi.parse_tuple_and_keywords,
+ (), {}, 42, [])
+ self.assertRaises(ValueError, _testcapi.parse_tuple_and_keywords,
+ (), {}, b'', 42)
+ self.assertRaises(ValueError, _testcapi.parse_tuple_and_keywords,
+ (), {}, b'', [''] * 42)
+ self.assertRaises(ValueError, _testcapi.parse_tuple_and_keywords,
+ (), {}, b'', [42])
+
def test_main():
support.run_unittest(CAPITest, TestPendingCalls,
Test6012, EmbeddingTest, SkipitemTest)
diff --git a/Misc/NEWS b/Misc/NEWS
index 4051d2b..3ad1bc8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -73,6 +73,9 @@
`io.BytesIO` and `io.StringIO` objects now raise ValueError when the object
has been closed. Patch by Alessandro Moura.
+- Issue #16126: PyErr_Format format mismatch in _testcapimodule.c.
+ Patch by Serhiy Storchaka.
+
- Issue #15447: Use `subprocess.DEVNULL` in webbrowser, instead of opening
`os.devnull` explicitly and leaving it open.
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index ce58651..ab11f51 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -1238,7 +1238,7 @@
o = PySequence_Fast_GET_ITEM(sub_keywords, i);
if (!PyUnicode_FSConverter(o, (void *)(converted + i))) {
PyErr_Format(PyExc_ValueError,
- "parse_tuple_and_keywords: could not convert keywords[%s] to narrow string", i);
+ "parse_tuple_and_keywords: could not convert keywords[%zd] to narrow string", i);
goto exit;
}
keywords[i] = PyBytes_AS_STRING(converted[i]);