bpo-45020: Freeze the modules imported during startup. - #28107

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ericsnowcurrently wants to merge 61 commits into

python:mainfrom

ericsnowcurrently:frozen-startup-modules

Commits on Sep 3, 2021

Fix freeze_module() in freeze_modules.py.
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a8bd3fc
Add FrozenSource and FrozenModule to freeze_modules.py.
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6555ae4
Leave all non-required frozen modules uncommitted.
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3a63f92
Leave *all* frozen modules uncommitted.
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0587328
Generate the list of frozen modules used by test_ctypes.
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9881456
Freeze the stdlib modules loaded during startup.
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3df3e23
Add the -X frozen_modules CLI option and PyConfig.use_frozen_modules.
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bfd733c
Ignore frozen modules depending on "-X frozen_modules".
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ca952fc
Explicitly control PyConfig.use_frozen_modules during tests.
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b4ca34c
Remember the stdlib dir during startup (adding PyConfig.stdlib_dir).
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ef5f3f7
Add _Py_GetMainConfig().
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4b630b8
Let _Py_GetStdlibDir() fall back to a config.
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dd1a498
Add _PyConfig_InitImportConfig().
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af07489
Identify whether or not the executable is running installed (adding _Py_IsInstalled()).
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4e4baeb
Default to "off" if in development.
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344a5ec
Remember if built with --enable-optimizations (adding the _Py_OPT macro).
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8710d80
Default to "on" for PGO builds.
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77cf801
Add a NEWS entry.
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2702554

Commits on Sep 7, 2021

Commits on Sep 8, 2021

Also stop tracking the frozen manifest.
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c01b532
Mark the frozen manifest as a generated file.
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0c1061d
Drop a superfluous prefix on makefile rule dependencies.
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fa23009
Do not generate test code.
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03b9571
Drop unused code from freeze_modules.py.
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b3a7aaf
Flip around the arg to the "frozen_modules" test helper.
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6a896f1
Disable frozen modules if $_PYTHONTESTFROZENMODULES is 0.
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211febe
Add the "usefrozen" arg to CleanImport.__init__().
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fbaf15c
Undo the changes to tests that were using the os module.
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6243c54
Undo the changes to tests that were using the os module.
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da978a2
Ignore decode errors in find_frozen().
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46d488f
Fix test_ctypes.
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93fc5c0

Commits on Sep 9, 2021

Commits on Sep 10, 2021

Always flush the printed "title" when freezing modules.
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75556af
Add the frozen manifest back into the repo.
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37b79f1
Drop the PGO check (for now).
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d93c1e7
Drop _Py_IsDevelopmentEnv().
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25b60de
Drop -_Py_GetStdlibDir() and PyConfig.stdlib_dir.
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358ab69
Default to "-X frozen_modules=off" if built with --with-debug.
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1fc1198
Fix test_embed.
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37eb1f8

Commits on Sep 11, 2021

Clean up the marshal code.
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2e05771
Add WFILE.refs.nonref.
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82b4f85
Add _PyMarshal_WriteForFreezing().
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097fc40
Fix the ASAN job.
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a333fa3
Fix the Windows builds.
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8abf4a0
Use a simpler change for test_idle.
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1005321

Commits on Sep 13, 2021

Fix test_4_daemon_threads.
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7d62747