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bpo-36763: Add _PyCoreConfig_InitPythonConfig() (GH-13388)

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Add new functions to get the Python interpreter behavior:

* _PyPreConfig_InitPythonConfig()
* _PyCoreConfig_InitPythonConfig()

Add new functions to get an isolated configuration:

* _PyPreConfig_InitIsolatedConfig()
* _PyCoreConfig_InitIsolatedConfig()

Replace _PyPreConfig_INIT and _PyCoreConfig_INIT with new functions
_PyPreConfig_Init() and _PyCoreConfig_Init().

_PyCoreConfig: set configure_c_stdio and parse_argv to 0 by default
to behave as Python 3.6 in the default configuration.

_PyCoreConfig_Read() no longer sets coerce_c_locale_warn to 1 if it's
equal to 0. coerce_c_locale_warn must now be set to -1 (ex: using
_PyCoreConfig_InitPythonConfig()) to enable C locale coercion
warning.

Add unit tests for _PyCoreConfig_InitPythonConfig()
and _PyCoreConfig_InitIsolatedConfig().

Changes:

* Rename _PyCoreConfig_GetCoreConfig() to _PyPreConfig_GetCoreConfig()
* Fix core_read_precmdline(): handle parse_argv=0
* Fix _Py_PreInitializeFromCoreConfig(): pass coreconfig.argv
  to _Py_PreInitializeFromPyArgv(), except if parse_argv=0
This commit is contained in:
Victor Stinner 2019-05-17 19:01:14 +02:00 • committed by GitHub
parent b16b4e4592
commit cab5d0741e
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 362 additions and 91 deletions
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46
Lib/test/test_embed.py
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@ -307,7 +307,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'pycache_prefix': None,
'program_name': GET_DEFAULT_CONFIG,
'parse_argv': 1,
'parse_argv': 0,
'argv': [""],
'xoptions': [],
@ -333,7 +333,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'verbose': 0,
'quiet': 0,
'user_site_directory': 1,
'configure_c_stdio': 1,
'configure_c_stdio': 0,
'buffered_stdio': 1,
'stdio_encoding': GET_DEFAULT_CONFIG,
@ -588,6 +588,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'pycache_prefix': 'conf_pycache_prefix',
'program_name': './conf_program_name',
'argv': ['-c', 'arg2'],
'parse_argv': 1,
'xoptions': ['core_xoption1=3', 'core_xoption2=', 'core_xoption3'],
'warnoptions': ['error::ResourceWarning', 'default::BytesWarning'],
'run_command': 'pass\n',
@ -600,7 +601,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'write_bytecode': 0,
'verbose': 1,
'quiet': 1,
'configure_c_stdio': 0,
'configure_c_stdio': 1,
'buffered_stdio': 0,
'user_site_directory': 0,
'faulthandler': 1,
@ -661,14 +662,14 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
}
self.check_config("init_dev_mode", config, preconfig)
def test_init_isolated(self):
def test_init_isolated_flag(self):
preconfig = {}
config = {
'isolated': 1,
'use_environment': 0,
'user_site_directory': 0,
}
self.check_config("init_isolated", config, preconfig)
self.check_config("init_isolated_flag", config, preconfig)
def test_preinit_isolated1(self):
# _PyPreConfig.isolated=1, _PyCoreConfig.isolated not set
@ -690,6 +691,25 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
}
self.check_config("preinit_isolated2", config, preconfig)
def test_init_isolated_config(self):
preconfig = {}
config = {
'isolated': 1,
'use_environment': 0,
'user_site_directory': 0,
'install_signal_handlers': 0,
'pathconfig_warnings': 0,
}
self.check_config("init_isolated_config", config, preconfig)
def test_init_python_config(self):
preconfig = {}
config = {
'configure_c_stdio': 1,
'parse_argv': 1,
}
self.check_config("init_python_config", config, preconfig)
def test_init_read_set(self):
preconfig = {}
core_config = {
@ -707,6 +727,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'argv': ['-c', 'arg2'],
'program_name': './python3',
'run_command': code + '\n',
'parse_argv': 1,
}
self.check_config("init_run_main", core_config, preconfig)
@ -718,15 +739,26 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'argv': ['-c', 'arg2'],
'program_name': './python3',
'run_command': code + '\n',
'parse_argv': 1,
'_init_main': 0,
}
self.check_config("init_main", core_config, preconfig,
stderr="Run Python code before _Py_InitializeMain")
def test_init_parse_argv(self):
core_config = {
'argv': ['-c', 'arg1', '-v', 'arg3'],
'program_name': './argv0',
'parse_argv': 1,
'run_command': 'pass\n',
'use_environment': 0,
}
self.check_config("init_parse_argv", core_config, {})
def test_init_dont_parse_argv(self):
core_config = {
'argv': ['-v', '-c', 'arg1', '-W', 'arg2'],
'parse_argv': 0,
'argv': ['./argv0', '-E', '-c', 'pass', 'arg1', '-v', 'arg3'],
'program_name': './argv0',
}
self.check_config("init_dont_parse_argv", core_config, {})