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Add advice how to freeze fewer modules (#101298)

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(And fix a bug that only occurs when you follow the advice.)
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Guido van Rossum 2023-01-25 09:28:14 -08:00 • committed by GitHub
parent 395871e511
commit 1417712812
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1 changed files with 6 additions and 1 deletions
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7
Tools/build/freeze_modules.py
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@ -32,6 +32,9 @@ PCBUILD_PYTHONCORE = os.path.join(ROOT_DIR, 'PCbuild', 'pythoncore.vcxproj')
OS_PATH = 'ntpath' if os.name == 'nt' else 'posixpath'
# These are modules that get frozen.
# If you're debugging new bytecode instructions,
# you can delete all sections except 'import system'.
# This also speeds up building somewhat.
TESTS_SECTION = 'Test module'
FROZEN = [
# See parse_frozen_spec() for the format.
@ -45,6 +48,7 @@ FROZEN = [
# on a builtin zip file instead of a filesystem.
'zipimport',
]),
# (You can delete entries from here down to the end of the list.)
('stdlib - startup, without site (python -S)', [
'abc',
'codecs',
@ -80,6 +84,7 @@ FROZEN = [
'<__phello__.**.*>',
f'frozen_only : __hello_only__ = {FROZEN_ONLY}',
]),
# (End of stuff you could delete.)
]
BOOTSTRAP = {
'importlib._bootstrap',
@ -520,7 +525,7 @@ def regen_frozen(modules, frozen_modules: bool):
for lines in (bootstraplines, stdliblines, testlines):
# TODO: Is this necessary any more?
if not lines[0]:
if lines and not lines[0]:
del lines[0]
for i, line in enumerate(lines):
if line: