From 358b7a4454daf22b0c3b958da6172bf7f3090be3 Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Tue, 4 Oct 2022 11:57:34 -0700 Subject: [PATCH] [3.9] gh-96848: Fix -X int_max_str_digits option parsing (GH-96988) (GH-97574) gh-96848: Fix -X int_max_str_digits option parsing (GH-96988) Fix command line parsing: reject "-X int_max_str_digits" option with no value (invalid) when the PYTHONINTMAXSTRDIGITS environment variable is set to a valid limit. (cherry picked from commit 41351662bcd21672d8ccfa62fe44d72027e6bcf8) Co-authored-by: Victor Stinner --- Lib/test/test_cmd_line.py | 2 ++ .../2022-09-21-14-38-31.gh-issue-96848.WuoLzU.rst | 3 +++ Python/initconfig.c | 3 ++- 3 files changed, 7 insertions(+), 1 deletion(-) create mode 100644 Misc/NEWS.d/next/Core and Builtins/2022-09-21-14-38-31.gh-issue-96848.WuoLzU.rst diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py index e38fc698c52d54..9fb48c5bac86e3 100644 --- a/Lib/test/test_cmd_line.py +++ b/Lib/test/test_cmd_line.py @@ -821,6 +821,8 @@ def test_int_max_str_digits(self): assert_python_failure('-X', 'int_max_str_digits', '-c', code) assert_python_failure('-X', 'int_max_str_digits=foo', '-c', code) assert_python_failure('-X', 'int_max_str_digits=100', '-c', code) + assert_python_failure('-X', 'int_max_str_digits', '-c', code, + PYTHONINTMAXSTRDIGITS='4000') assert_python_failure('-c', code, PYTHONINTMAXSTRDIGITS='foo') assert_python_failure('-c', code, PYTHONINTMAXSTRDIGITS='100') diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-09-21-14-38-31.gh-issue-96848.WuoLzU.rst b/Misc/NEWS.d/next/Core and Builtins/2022-09-21-14-38-31.gh-issue-96848.WuoLzU.rst new file mode 100644 index 00000000000000..a9b04ce87d4d0d --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-09-21-14-38-31.gh-issue-96848.WuoLzU.rst @@ -0,0 +1,3 @@ +Fix command line parsing: reject :option:`-X int_max_str_digits <-X>` option +with no value (invalid) when the :envvar:`PYTHONINTMAXSTRDIGITS` environment +variable is set to a valid limit. Patch by Victor Stinner. diff --git a/Python/initconfig.c b/Python/initconfig.c index a2c435f34474ff..7ab52fb934c9db 100644 --- a/Python/initconfig.c +++ b/Python/initconfig.c @@ -1426,10 +1426,10 @@ static PyStatus config_init_int_max_str_digits(PyConfig *config) { int maxdigits; - int valid = 0; const char *env = config_get_env(config, "PYTHONINTMAXSTRDIGITS"); if (env) { + int valid = 0; if (!_Py_str_to_int(env, &maxdigits)) { valid = ((maxdigits == 0) || (maxdigits >= _PY_LONG_MAX_STR_DIGITS_THRESHOLD)); } @@ -1447,6 +1447,7 @@ config_init_int_max_str_digits(PyConfig *config) const wchar_t *xoption = config_get_xoption(config, L"int_max_str_digits"); if (xoption) { const wchar_t *sep = wcschr(xoption, L'='); + int valid = 0; if (sep) { if (!config_wstr_to_int(sep + 1, &maxdigits)) { valid = ((maxdigits == 0) || (maxdigits >= _PY_LONG_MAX_STR_DIGITS_THRESHOLD));