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gh-94864: Fix PyArg_Parse* with deprecated format units "u" and "Z" (GH-94902)

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It returned 1 (success) when warnings are turned into exceptions.
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Serhiy Storchaka 2022-07-17 08:23:37 +03:00 • committed by GitHub
parent 30f28ac296
commit 107c21c5d5
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3 changed files with 16 additions and 1 deletions
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13
Lib/test/test_getargs2.py
View file

@ -2,6 +2,7 @@ import unittest
import math
import string
import sys
import warnings
from test import support
from test.support import import_helper
from test.support import warnings_helper
@ -999,6 +1000,9 @@ class String_TestCase(unittest.TestCase):
self.assertRaises(TypeError, getargs_u, memoryview(b'memoryview'))
with self.assertWarns(DeprecationWarning):
self.assertRaises(TypeError, getargs_u, None)
with warnings.catch_warnings():
warnings.simplefilter('error', DeprecationWarning)
self.assertRaises(DeprecationWarning, getargs_u, 'abc\xe9')
@support.requires_legacy_unicode_capi
def test_u_hash(self):
@ -1015,6 +1019,9 @@ class String_TestCase(unittest.TestCase):
self.assertRaises(TypeError, getargs_u_hash, memoryview(b'memoryview'))
with self.assertWarns(DeprecationWarning):
self.assertRaises(TypeError, getargs_u_hash, None)
with warnings.catch_warnings():
warnings.simplefilter('error', DeprecationWarning)
self.assertRaises(DeprecationWarning, getargs_u_hash, 'abc\xe9')
@support.requires_legacy_unicode_capi
def test_Z(self):
@ -1031,6 +1038,9 @@ class String_TestCase(unittest.TestCase):
self.assertRaises(TypeError, getargs_Z, memoryview(b'memoryview'))
with self.assertWarns(DeprecationWarning):
self.assertIsNone(getargs_Z(None))
with warnings.catch_warnings():
warnings.simplefilter('error', DeprecationWarning)
self.assertRaises(DeprecationWarning, getargs_Z, 'abc\xe9')
@support.requires_legacy_unicode_capi
def test_Z_hash(self):
@ -1047,6 +1057,9 @@ class String_TestCase(unittest.TestCase):
self.assertRaises(TypeError, getargs_Z_hash, memoryview(b'memoryview'))
with self.assertWarns(DeprecationWarning):
self.assertIsNone(getargs_Z_hash(None))
with warnings.catch_warnings():
warnings.simplefilter('error', DeprecationWarning)
self.assertRaises(DeprecationWarning, getargs_Z_hash, 'abc\xe9')
class Object_TestCase(unittest.TestCase):

2
Misc/NEWS.d/next/C API/2022-07-16-14-57-23.gh-issue-94864.Pb41ab.rst Normal file
View file

@ -0,0 +1,2 @@
Fix ``PyArg_Parse*`` with deprecated format units "u" and "Z". It returned 1
(success) when warnings are turned into exceptions.

2
Python/getargs.c
View file

@ -1017,7 +1017,7 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
{
if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
"getargs: The '%c' format is deprecated. Use 'U' instead.", c)) {
return NULL;
RETURN_ERR_OCCURRED;
}
_Py_COMP_DIAG_PUSH
_Py_COMP_DIAG_IGNORE_DEPR_DECLS