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bpo-40413: test_embed tests calling Py_RunMain() multiple times by vstinner · Pull Request #28466 · python/cpython · GitHub

/ cpython Public

bpo-40413: test_embed tests calling Py_RunMain() multiple times #28466

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Merged
vstinner merged 1 commit into from
Sep 20, 2021
Conversation 3 Commits 1 Checks 0 Files changed
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bpo-40413: test_embed tests calling Py_RunMain() multiple times #28466

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8 changes: 8 additions & 0 deletions Lib/test/test_embed.py
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Original file line number Diff line number Diff line change
Expand Up @@ -311,6 +311,14 @@ def test_run_main(self):
self.assertEqual(out.rstrip(), "Py_RunMain(): sys.argv=['-c', 'arg2']")
self.assertEqual(err, '')

def test_run_main_loop(self):
# bpo-40413: Calling Py_InitializeFromConfig()+Py_RunMain() multiple
# times must not crash.
nloop = 5
out, err = self.run_embedded_interpreter("test_run_main_loop")
self.assertEqual(out, "Py_RunMain(): sys.argv=['-c', 'arg2']\n" * nloop)
self.assertEqual(err, '')


class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
maxDiff = 4096
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20 changes: 16 additions & 4 deletions Programs/_testembed.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1676,15 +1676,26 @@ static int test_run_main(void)
}


static int test_run_main_loop(void)
{
// bpo-40413: Calling Py_InitializeFromConfig()+Py_RunMain() multiple
// times must not crash.
for (int i=0; i<5; i++) {
int exitcode = test_run_main();
if (exitcode != 0) {
return exitcode;
}
}
return 0;
}


static int test_get_argc_argv(void)
{
PyConfig config;
PyConfig_InitPythonConfig(&config);

wchar_t *argv[] = {L"python3", L"-c",
(L"import sys; "
L"print(f'Py_RunMain(): sys.argv={sys.argv}')"),
L"arg2"};
wchar_t *argv[] = {L"python3", L"-c", L"pass", L"arg2"};
config_set_argv(&config, Py_ARRAY_LENGTH(argv), argv);
config_set_string(&config, &config.program_name, L"./python3");

Expand Down Expand Up @@ -1900,6 +1911,7 @@ static struct TestCase TestCases[] = {
{"test_init_warnoptions", test_init_warnoptions},
{"test_init_set_config", test_init_set_config},
{"test_run_main", test_run_main},
{"test_run_main_loop", test_run_main_loop},
{"test_get_argc_argv", test_get_argc_argv},

// Audit
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