bpo-45020: Add -X frozen_modules=[on|off] to explicitly control use of frozen modules.#28320

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ericsnowcurrently merged 52 commits into

python:mainfrom

ericsnowcurrently:frozen-modules-dev-default-off-basic

Sep 14, 2021

Commits on Sep 13, 2021

Add the -X frozen_modules CLI option and PyConfig.use_frozen_modules.
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ac7ff4f
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Ignore frozen modules depending on "-X frozen_modules".
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7d2a470
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Explicitly control PyConfig.use_frozen_modules during tests.
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Factor out is_essential_frozen_module().
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Treat __main__ as an essential frozen module.
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Look up $_PYTHONTESTFROZENMODULES using getenv() instead of in os.environ.
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Add zipimport to the list of essential frozen modules.
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Flip around the arg to the "frozen_modules" test helper.
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Disable frozen modules if $_PYTHONTESTFROZENMODULES is 0.
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Add the "usefrozen" arg to CleanImport.__init__().
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Ignore decode errors in find_frozen().
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6d9d469
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Fix test_ctypes.
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Ensure we get the frozen module.
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abfef0b
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Fix docstrings for the import test helpers.
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Add a NEWS entry.
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Remember the stdlib dir during startup (adding PyConfig.stdlib_dir).
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Add _Py_GetMainConfig().
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Let _Py_GetStdlibDir() fall back to a config.
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Add _PyConfig_InitImportConfig().
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Identify whether or not the executable is running installed (adding _Py_IsInstalled()).
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Default to "off" if in development.
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Add a NEWS entry.
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0933e4d
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Fix test_embed for PyConfig.stdlib_dir.
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In _Py_GetStdlibDir(), treat "" as though it were NULL.
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Fix test_embed for "Default to "off" if in development.".
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Fix test_cmd_line_script for "Default to "off" if in development.".
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_Py_IsInstalled -> _Py_IsDevelopmentEnv.
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Stop using the frozen helper in test_cmd_line_script.
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Allow for a .exe suffix on the executable.
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Drop _Py_IsDevelopmentEnv().
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Drop -_Py_GetStdlibDir() and PyConfig.stdlib_dir.
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Default to "-X frozen_modules=off" if built with --with-debug.
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Fix test_embed.
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Fix the ASAN job.
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Fix the docs.
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Drop unused changes.
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Fix the Windows CI jobs.
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Fix test_embed on non-debug builds.
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Commits on Sep 14, 2021

Fix test_embed on non-debug builds (on Windows).
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Drop parse_env_var_flag().
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Don't use env var _PYTHONTESTFROZENMODULES when running _testembed.
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Do not use an env var to override PyConfig.use_frozen_modules.
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For now, always default to "-X frozen_modules=off".
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Change PyConfig.use_frozen_modules from bool to int.
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Fix use of _PyConfig_InitImportConfig().
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Drop a superfluous comment.
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Fix a typo.
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80d8fcd
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Simplify a comment.
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Simplify use_frozen().
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Fix a comment.
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Collapse some lines.
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Drop _Py_GetMainConfig().
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