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bpo-45949: Pure Python freeze module for cross builds (GH-29899)

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Christian Heimes 2021-12-13 21:48:46 +02:00 • committed by GitHub
parent a62be77266
commit eb483c46d6
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 205 additions and 115 deletions
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5
Tools/scripts/deepfreeze.py
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@ -393,13 +393,14 @@ def generate(self, name: str, obj: object) -> str:
}
"""
FROZEN_COMMENT = "/* Auto-generated by Programs/_freeze_module.c */"
FROZEN_COMMENT_C = "/* Auto-generated by Programs/_freeze_module.c */"
FROZEN_COMMENT_PY = "/* Auto-generated by Programs/_freeze_module.py */"
FROZEN_DATA_LINE = r"\s*(\d+,\s*)+\s*"
def is_frozen_header(source: str) -> bool:
return source.startswith(FROZEN_COMMENT)
return source.startswith((FROZEN_COMMENT_C, FROZEN_COMMENT_PY))
def decode_frozen_data(source: str) -> types.CodeType:

19
Tools/scripts/freeze_modules.py
View file

@ -264,6 +264,10 @@ def ispkg(self):
else:
return os.path.basename(self.pyfile) == '__init__.py'
@property
def isbootstrap(self):
return self.id in BOOTSTRAP
def resolve_frozen_file(frozenid, destdir):
"""Return the filename corresponding to the given frozen ID.
@ -476,7 +480,7 @@ def regen_frozen(modules):
indent = ' '
lastsection = None
for mod in modules:
if mod.frozenid in BOOTSTRAP:
if mod.isbootstrap:
lines = bootstraplines
elif mod.section == TESTS_SECTION:
lines = testlines
@ -585,10 +589,17 @@ def regen_makefile(modules):
pyfile = relpath_for_posix_display(src.pyfile, ROOT_DIR)
pyfiles.append(f'\t\t{pyfile} \\')
freeze = (f'$(FREEZE_MODULE) {src.frozenid} '
f'$(srcdir)/{pyfile} {frozen_header}')
if src.isbootstrap:
freezecmd = '$(FREEZE_MODULE_BOOTSTRAP)'
freezedep = '$(FREEZE_MODULE_BOOTSTRAP_DEPS)'
else:
freezecmd = '$(FREEZE_MODULE)'
freezedep = '$(FREEZE_MODULE_DEPS)'
freeze = (f'{freezecmd} {src.frozenid} '
f'$(srcdir)/{pyfile} {frozen_header}')
rules.extend([
f'{frozen_header}: $(FREEZE_MODULE) {pyfile}',
f'{frozen_header}: {pyfile} {freezedep}',
f'\t{freeze}',
'',
])