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bpo-45445: Revert "bpo-45445: Fail if an invalid X-option is provided in the command line (GH-28823)" (#94745)

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Pablo Galindo Salgado 2022-07-31 16:33:56 +01:00 committed by GitHub
parent 50b2261bda
commit aa37ffda29
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 27 additions and 83 deletions
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4
Doc/library/sys.rst
View File

@ -1780,13 +1780,13 @@ always available.
.. code-block:: shell-session
$ ./python -Xpycache_prefix=some_path -Xdev
$ ./python -Xa=b -Xc
Python 3.2a3+ (py3k, Oct 16 2010, 20:14:50)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys._xoptions
{'pycache_prefix': 'some_path', 'dev': True}
{'a': 'b', 'c': True}
.. impl-detail::

4
Lib/test/test_audit.py
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@ -20,7 +20,7 @@ class AuditTest(unittest.TestCase):
@support.requires_subprocess()
def do_test(self, *args):
with subprocess.Popen(
[sys.executable, "-Xutf8", AUDIT_TESTS_PY, *args],
[sys.executable, "-X utf8", AUDIT_TESTS_PY, *args],
encoding="utf-8",
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
@ -35,7 +35,7 @@ class AuditTest(unittest.TestCase):
def run_python(self, *args):
events = []
with subprocess.Popen(
[sys.executable, "-Xutf8", AUDIT_TESTS_PY, *args],
[sys.executable, "-X utf8", AUDIT_TESTS_PY, *args],
encoding="utf-8",
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,

13
Lib/test/test_cmd_line.py
View File

@ -105,17 +105,8 @@ class CmdLineTest(unittest.TestCase):
opts = get_xoptions()
self.assertEqual(opts, {})
opts = get_xoptions('-Xno_debug_ranges', '-Xdev=1234')
self.assertEqual(opts, {'no_debug_ranges': True, 'dev': '1234'})
@unittest.skipIf(interpreter_requires_environment(),
'Cannot run -E tests when PYTHON env vars are required.')
def test_unknown_xoptions(self):
rc, out, err = assert_python_failure('-X', 'blech')
self.assertIn(b'Unknown value for option -X', err)
msg = b'Fatal Python error: Unknown value for option -X (see --help-xoptions)'
self.assertEqual(err.splitlines().count(msg), 1)
self.assertEqual(b'', out)
opts = get_xoptions('-Xa', '-Xb=c,d=e')
self.assertEqual(opts, {'a': True, 'b': 'c,d=e'})
def test_showrefcount(self):
def run_python(*args):

23
Lib/test/test_embed.py
View File

@ -283,7 +283,7 @@ class EmbeddingTests(EmbeddingTestsMixin, unittest.TestCase):
"test_pre_initialization_sys_options", env=env)
expected_output = (
"sys.warnoptions: ['once', 'module', 'default']\n"
"sys._xoptions: {'dev': '2', 'utf8': '1'}\n"
"sys._xoptions: {'not_an_option': '1', 'also_not_an_option': '2'}\n"
"warnings.filters[:3]: ['default', 'module', 'once']\n"
)
self.assertIn(expected_output, out)
@ -841,14 +841,15 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'argv': ['-c', 'arg2'],
'orig_argv': ['python3',
'-W', 'cmdline_warnoption',
'-X', 'dev',
'-X', 'cmdline_xoption',
'-c', 'pass',
'arg2'],
'parse_argv': 2,
'xoptions': [
'dev=3',
'utf8',
'dev',
'config_xoption1=3',
'config_xoption2=',
'config_xoption3',
'cmdline_xoption',
],
'warnoptions': [
'cmdline_warnoption',
@ -1076,8 +1077,9 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
config = {
'faulthandler': 1,
'xoptions': [
'dev',
'utf8',
'config_xoption',
'cmdline_xoption',
'sysadd_xoption',
'faulthandler',
],
'warnoptions': [
@ -1087,12 +1089,9 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
],
'orig_argv': ['python3',
'-W', 'ignore:::cmdline_warnoption',
'-X', 'utf8'],
'-X', 'cmdline_xoption'],
}
preconfig = {'utf8_mode': 1}
self.check_all_configs("test_init_sys_add", config,
expected_preconfig=preconfig,
api=API_PYTHON)
self.check_all_configs("test_init_sys_add", config, api=API_PYTHON)
def test_init_run_main(self):
code = ('import _testinternalcapi, json; '

18
Programs/_testembed.c
View File

@ -279,7 +279,7 @@ static int test_pre_initialization_sys_options(void)
* relying on the caller to keep the passed in strings alive.
*/
const wchar_t *static_warnoption = L"once";
const wchar_t *static_xoption = L"utf8=1";
const wchar_t *static_xoption = L"also_not_an_option=2";
size_t warnoption_len = wcslen(static_warnoption);
size_t xoption_len = wcslen(static_xoption);
wchar_t *dynamic_once_warnoption = \
@ -298,7 +298,7 @@ static int test_pre_initialization_sys_options(void)
PySys_AddWarnOption(L"module");
PySys_AddWarnOption(L"default");
_Py_EMBED_PREINIT_CHECK("Checking PySys_AddXOption\n");
PySys_AddXOption(L"dev=2");
PySys_AddXOption(L"not_an_option=1");
PySys_AddXOption(dynamic_xoption);
/* Delete the dynamic options early */
@ -591,7 +591,7 @@ static int test_init_from_config(void)
L"-W",
L"cmdline_warnoption",
L"-X",
L"dev",
L"cmdline_xoption",
L"-c",
L"pass",
L"arg2",
@ -599,9 +599,10 @@ static int test_init_from_config(void)
config_set_argv(&config, Py_ARRAY_LENGTH(argv), argv);
config.parse_argv = 1;
wchar_t* xoptions[2] = {
L"dev=3",
L"utf8",
wchar_t* xoptions[3] = {
L"config_xoption1=3",
L"config_xoption2=",
L"config_xoption3",
};
config_set_wide_string_list(&config, &config.xoptions,
Py_ARRAY_LENGTH(xoptions), xoptions);
@ -1425,6 +1426,7 @@ fail:
static int test_init_sys_add(void)
{
PySys_AddXOption(L"sysadd_xoption");
PySys_AddXOption(L"faulthandler");
PySys_AddWarnOption(L"ignore:::sysadd_warnoption");
@ -1436,14 +1438,14 @@ static int test_init_sys_add(void)
L"-W",
L"ignore:::cmdline_warnoption",
L"-X",
L"utf8",
L"cmdline_xoption",
};
config_set_argv(&config, Py_ARRAY_LENGTH(argv), argv);
config.parse_argv = 1;
PyStatus status;
status = PyWideStringList_Append(&config.xoptions,
L"dev");
L"config_xoption");
if (PyStatus_Exception(status)) {
goto fail;
}

48
Python/initconfig.c
View File

@ -2061,49 +2061,6 @@ _PyConfig_InitImportConfig(PyConfig *config)
return config_init_import(config, 1);
}
// List of known xoptions to validate against the provided ones. Note that all
// options are listed, even if they are only available if a specific macro is
// set, like -X showrefcount which requires a debug build. In this case unknown
// options are silently ignored.
const wchar_t* known_xoptions[] = {
L"faulthandler",
L"showrefcount",
L"tracemalloc",
L"importtime",
L"dev",
L"utf8",
L"pycache_prefix",
L"warn_default_encoding",
L"no_debug_ranges",
L"frozen_modules",
NULL,
};
static const wchar_t*
_Py_check_xoptions(const PyWideStringList *xoptions, const wchar_t **names)
{
for (Py_ssize_t i=0; i < xoptions->length; i++) {
const wchar_t *option = xoptions->items[i];
size_t len;
wchar_t *sep = wcschr(option, L'=');
if (sep != NULL) {
len = (sep - option);
}
else {
len = wcslen(option);
}
int found = 0;
for (const wchar_t** name = names; *name != NULL; name++) {
if (wcsncmp(option, *name, len) == 0 && (*name)[len] == L'\0') {
found = 1;
}
}
if (found == 0) {
return option;
}
}
return NULL;
}
static PyStatus
config_read(PyConfig *config, int compute_path_config)
@ -2119,11 +2076,6 @@ config_read(PyConfig *config, int compute_path_config)
}
/* -X options */
const wchar_t* option = _Py_check_xoptions(&config->xoptions, known_xoptions);
if (option != NULL) {
return PyStatus_Error("Unknown value for option -X (see --help-xoptions)");
}
if (config_get_xoption(config, L"showrefcount")) {
config->show_ref_count = 1;
}