bpo-40910: Export Py_GetArgcArgv() function (GH-20721) (GH-20723)

Export explicitly the Py_GetArgcArgv() function to the C API and
document the function. Previously, it was exported implicitly which
no longer works since Python is built with -fvisibility=hidden.

* Add PyConfig._orig_argv member.
* Py_InitializeFromConfig() no longer calls _PyConfig_Write() twice.
* PyConfig_Read() no longer initializes Py_GetArgcArgv(): it is now
  _PyConfig_Write() responsibility.
* _PyConfig_Write() result type becomes PyStatus instead of void.
* Write an unit test on Py_GetArgcArgv().

(cherry picked from commit e81f6e687d)
This commit is contained in:
Victor Stinner 2020-06-08 18:44:50 +02:00 committed by GitHub
parent 1220a47079
commit dedaac040f
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 131 additions and 22 deletions

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@ -366,6 +366,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'program_name': GET_DEFAULT_CONFIG,
'parse_argv': 0,
'argv': [""],
'_orig_argv': [],
'xoptions': [],
'warnoptions': [],
@ -737,7 +738,12 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'pycache_prefix': 'conf_pycache_prefix',
'program_name': './conf_program_name',
'argv': ['-c', 'arg2', ],
'argv': ['-c', 'arg2'],
'_orig_argv': ['python3',
'-W', 'cmdline_warnoption',
'-X', 'cmdline_xoption',
'-c', 'pass',
'arg2'],
'parse_argv': 1,
'xoptions': [
'config_xoption1=3',
@ -864,6 +870,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
}
config = {
'argv': ['script.py'],
'_orig_argv': ['python3', '-X', 'dev', 'script.py'],
'run_filename': os.path.abspath('script.py'),
'dev_mode': 1,
'faulthandler': 1,
@ -878,9 +885,14 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
preconfig = {
'isolated': 0,
}
argv = ["python3",
"-E", "-I",
"-X", "dev",
"-X", "utf8",
"script.py"]
config = {
'argv': ["python3", "-E", "-I",
"-X", "dev", "-X", "utf8", "script.py"],
'argv': argv,
'_orig_argv': argv,
'isolated': 0,
}
self.check_all_configs("test_preinit_dont_parse_argv", config, preconfig,
@ -959,6 +971,9 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'ignore:::sysadd_warnoption',
'ignore:::config_warnoption',
],
'_orig_argv': ['python3',
'-W', 'ignore:::cmdline_warnoption',
'-X', 'cmdline_xoption'],
}
self.check_all_configs("test_init_sys_add", config, api=API_PYTHON)
@ -967,6 +982,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'print(json.dumps(_testinternalcapi.get_configs()))')
config = {
'argv': ['-c', 'arg2'],
'_orig_argv': ['python3', '-c', code, 'arg2'],
'program_name': './python3',
'run_command': code + '\n',
'parse_argv': 1,
@ -978,6 +994,9 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'print(json.dumps(_testinternalcapi.get_configs()))')
config = {
'argv': ['-c', 'arg2'],
'_orig_argv': ['python3',
'-c', code,
'arg2'],
'program_name': './python3',
'run_command': code + '\n',
'parse_argv': 1,
@ -991,6 +1010,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
config = {
'parse_argv': 1,
'argv': ['-c', 'arg1', '-v', 'arg3'],
'_orig_argv': ['./argv0', '-E', '-c', 'pass', 'arg1', '-v', 'arg3'],
'program_name': './argv0',
'run_command': 'pass\n',
'use_environment': 0,
@ -1004,6 +1024,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
config = {
'parse_argv': 0,
'argv': ['./argv0', '-E', '-c', 'pass', 'arg1', '-v', 'arg3'],
'_orig_argv': ['./argv0', '-E', '-c', 'pass', 'arg1', '-v', 'arg3'],
'program_name': './argv0',
}
self.check_all_configs("test_init_dont_parse_argv", config, pre_config,
@ -1291,10 +1312,17 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'faulthandler': 1,
'bytes_warning': 1,
'warnoptions': warnoptions,
'_orig_argv': ['python3',
'-Wignore:::cmdline1',
'-Wignore:::cmdline2'],
}
self.check_all_configs("test_init_warnoptions", config, preconfig,
api=API_PYTHON)
def test_get_argc_argv(self):
self.run_embedded_interpreter("test_get_argc_argv")
# ignore output
class AuditingTests(EmbeddingTestsMixin, unittest.TestCase):
def test_open_code_hook(self):