diff options
| -rw-r--r-- | Lib/test/test_format.py | 2 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2023-05-01-12-03-52.gh-issue-104018.PFxGS4.rst | 1 | ||||
| -rw-r--r-- | Objects/bytesobject.c | 1 |
3 files changed, 3 insertions, 1 deletions
diff --git a/Lib/test/test_format.py b/Lib/test/test_format.py index 69b0d5f..6fa49db 100644 --- a/Lib/test/test_format.py +++ b/Lib/test/test_format.py @@ -619,6 +619,8 @@ class FormatTest(unittest.TestCase): error_msg = re.escape("unsupported format character 'z'") with self.assertRaisesRegex(ValueError, error_msg): "%z.1f" % 0 # not allowed in old style string interpolation + with self.assertRaisesRegex(ValueError, error_msg): + b"%z.1f" % 0 if __name__ == "__main__": diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-05-01-12-03-52.gh-issue-104018.PFxGS4.rst b/Misc/NEWS.d/next/Core and Builtins/2023-05-01-12-03-52.gh-issue-104018.PFxGS4.rst new file mode 100644 index 0000000..f3cadae --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2023-05-01-12-03-52.gh-issue-104018.PFxGS4.rst @@ -0,0 +1 @@ +Disallow the "z" format specifier in %-format of bytes objects. diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c index 8dd1a2d..61cde0e 100644 --- a/Objects/bytesobject.c +++ b/Objects/bytesobject.c @@ -714,7 +714,6 @@ _PyBytes_FormatEx(const char *format, Py_ssize_t format_len, case ' ': flags |= F_BLANK; continue; case '#': flags |= F_ALT; continue; case '0': flags |= F_ZERO; continue; - case 'z': flags |= F_NO_NEG_0; continue; } break; } |