| """Freeze modules and regen related files (e.g. Python/frozen.c). |
| |
| See the notes at the top of Python/frozen.c for more info. |
| """ |
| |
| from collections import namedtuple |
| import hashlib |
| import os |
| import ntpath |
| import posixpath |
| import sys |
| import argparse |
| from update_file import updating_file_with_tmpfile |
| |
| |
| ROOT_DIR = os.path.dirname(os.path.dirname(os.path.dirname(__file__))) |
| ROOT_DIR = os.path.abspath(ROOT_DIR) |
| FROZEN_ONLY = os.path.join(ROOT_DIR, 'Tools', 'freeze', 'flag.py') |
| |
| STDLIB_DIR = os.path.join(ROOT_DIR, 'Lib') |
| # If FROZEN_MODULES_DIR or DEEPFROZEN_MODULES_DIR is changed then the |
| # .gitattributes and .gitignore files needs to be updated. |
| FROZEN_MODULES_DIR = os.path.join(ROOT_DIR, 'Python', 'frozen_modules') |
| DEEPFROZEN_MODULES_DIR = os.path.join(ROOT_DIR, 'Python', 'deepfreeze') |
| |
| FROZEN_FILE = os.path.join(ROOT_DIR, 'Python', 'frozen.c') |
| MAKEFILE = os.path.join(ROOT_DIR, 'Makefile.pre.in') |
| PCBUILD_PROJECT = os.path.join(ROOT_DIR, 'PCbuild', '_freeze_module.vcxproj') |
| PCBUILD_FILTERS = os.path.join(ROOT_DIR, 'PCbuild', '_freeze_module.vcxproj.filters') |
| 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. |
| TESTS_SECTION = 'Test module' |
| FROZEN = [ |
| # See parse_frozen_spec() for the format. |
| # In cases where the frozenid is duplicated, the first one is re-used. |
| ('import system', [ |
| # These frozen modules are necessary for bootstrapping |
| # the import system. |
| 'importlib._bootstrap : _frozen_importlib', |
| 'importlib._bootstrap_external : _frozen_importlib_external', |
| # This module is important because some Python builds rely |
| # on a builtin zip file instead of a filesystem. |
| 'zipimport', |
| ]), |
| ('stdlib - startup, without site (python -S)', [ |
| 'abc', |
| 'codecs', |
| # For now we do not freeze the encodings, due # to the noise all |
| # those extra modules add to the text printed during the build. |
| # (See https://github.com/python/cpython/pull/28398#pullrequestreview-756856469.) |
| #'<encodings.*>', |
| 'io', |
| ]), |
| ('stdlib - startup, with site', [ |
| '_collections_abc', |
| '_sitebuiltins', |
| 'genericpath', |
| 'ntpath', |
| 'posixpath', |
| # We must explicitly mark os.path as a frozen module |
| # even though it will never be imported. |
| f'{OS_PATH} : os.path', |
| 'os', |
| 'site', |
| 'stat', |
| ]), |
| ('runpy - run module with -m', [ |
| "importlib.util", |
| "importlib.machinery", |
| "runpy", |
| ]), |
| (TESTS_SECTION, [ |
| '__hello__', |
| '__hello__ : __hello_alias__', |
| '__hello__ : <__phello_alias__>', |
| '__hello__ : __phello_alias__.spam', |
| '<__phello__.**.*>', |
| f'frozen_only : __hello_only__ = {FROZEN_ONLY}', |
| ]), |
| ] |
| BOOTSTRAP = { |
| 'importlib._bootstrap', |
| 'importlib._bootstrap_external', |
| 'zipimport', |
| } |
| |
| |
| ####################################### |
| # platform-specific helpers |
| |
| if os.path is posixpath: |
| relpath_for_posix_display = os.path.relpath |
| |
| def relpath_for_windows_display(path, base): |
| return ntpath.relpath( |
| ntpath.join(*path.split(os.path.sep)), |
| ntpath.join(*base.split(os.path.sep)), |
| ) |
| |
| else: |
| relpath_for_windows_display = ntpath.relpath |
| |
| def relpath_for_posix_display(path, base): |
| return posixpath.relpath( |
| posixpath.join(*path.split(os.path.sep)), |
| posixpath.join(*base.split(os.path.sep)), |
| ) |
| |
| |
| ####################################### |
| # specs |
| |
| def parse_frozen_specs(): |
| seen = {} |
| for section, specs in FROZEN: |
| parsed = _parse_specs(specs, section, seen) |
| for item in parsed: |
| frozenid, pyfile, modname, ispkg, section = item |
| try: |
| source = seen[frozenid] |
| except KeyError: |
| source = FrozenSource.from_id(frozenid, pyfile) |
| seen[frozenid] = source |
| else: |
| assert not pyfile or pyfile == source.pyfile, item |
| yield FrozenModule(modname, ispkg, section, source) |
| |
| |
| def _parse_specs(specs, section, seen): |
| for spec in specs: |
| info, subs = _parse_spec(spec, seen, section) |
| yield info |
| for info in subs or (): |
| yield info |
| |
| |
| def _parse_spec(spec, knownids=None, section=None): |
| """Yield an info tuple for each module corresponding to the given spec. |
| |
| The info consists of: (frozenid, pyfile, modname, ispkg, section). |
| |
| Supported formats: |
| |
| frozenid |
| frozenid : modname |
| frozenid : modname = pyfile |
| |
| "frozenid" and "modname" must be valid module names (dot-separated |
| identifiers). If "modname" is not provided then "frozenid" is used. |
| If "pyfile" is not provided then the filename of the module |
| corresponding to "frozenid" is used. |
| |
| Angle brackets around a frozenid (e.g. '<encodings>") indicate |
| it is a package. This also means it must be an actual module |
| (i.e. "pyfile" cannot have been provided). Such values can have |
| patterns to expand submodules: |
| |
| <encodings.*> - also freeze all direct submodules |
| <encodings.**.*> - also freeze the full submodule tree |
| |
| As with "frozenid", angle brackets around "modname" indicate |
| it is a package. However, in this case "pyfile" should not |
| have been provided and patterns in "modname" are not supported. |
| Also, if "modname" has brackets then "frozenid" should not, |
| and "pyfile" should have been provided.. |
| """ |
| frozenid, _, remainder = spec.partition(':') |
| modname, _, pyfile = remainder.partition('=') |
| frozenid = frozenid.strip() |
| modname = modname.strip() |
| pyfile = pyfile.strip() |
| |
| submodules = None |
| if modname.startswith('<') and modname.endswith('>'): |
| assert check_modname(frozenid), spec |
| modname = modname[1:-1] |
| assert check_modname(modname), spec |
| if frozenid in knownids: |
| pass |
| elif pyfile: |
| assert not os.path.isdir(pyfile), spec |
| else: |
| pyfile = _resolve_module(frozenid, ispkg=False) |
| ispkg = True |
| elif pyfile: |
| assert check_modname(frozenid), spec |
| assert not knownids or frozenid not in knownids, spec |
| assert check_modname(modname), spec |
| assert not os.path.isdir(pyfile), spec |
| ispkg = False |
| elif knownids and frozenid in knownids: |
| assert check_modname(frozenid), spec |
| assert check_modname(modname), spec |
| ispkg = False |
| else: |
| assert not modname or check_modname(modname), spec |
| resolved = iter(resolve_modules(frozenid)) |
| frozenid, pyfile, ispkg = next(resolved) |
| if not modname: |
| modname = frozenid |
| if ispkg: |
| pkgid = frozenid |
| pkgname = modname |
| pkgfiles = {pyfile: pkgid} |
| def iter_subs(): |
| for frozenid, pyfile, ispkg in resolved: |
| if pkgname: |
| modname = frozenid.replace(pkgid, pkgname, 1) |
| else: |
| modname = frozenid |
| if pyfile: |
| if pyfile in pkgfiles: |
| frozenid = pkgfiles[pyfile] |
| pyfile = None |
| elif ispkg: |
| pkgfiles[pyfile] = frozenid |
| yield frozenid, pyfile, modname, ispkg, section |
| submodules = iter_subs() |
| |
| info = (frozenid, pyfile or None, modname, ispkg, section) |
| return info, submodules |
| |
| |
| ####################################### |
| # frozen source files |
| |
| class FrozenSource(namedtuple('FrozenSource', 'id pyfile frozenfile deepfreezefile')): |
| |
| @classmethod |
| def from_id(cls, frozenid, pyfile=None): |
| if not pyfile: |
| pyfile = os.path.join(STDLIB_DIR, *frozenid.split('.')) + '.py' |
| #assert os.path.exists(pyfile), (frozenid, pyfile) |
| frozenfile = resolve_frozen_file(frozenid, FROZEN_MODULES_DIR) |
| deepfreezefile = resolve_frozen_file(frozenid, DEEPFROZEN_MODULES_DIR) |
| return cls(frozenid, pyfile, frozenfile, deepfreezefile) |
| |
| @property |
| def frozenid(self): |
| return self.id |
| |
| @property |
| def modname(self): |
| if self.pyfile.startswith(STDLIB_DIR): |
| return self.id |
| return None |
| |
| @property |
| def symbol(self): |
| # This matches what we do in Programs/_freeze_module.c: |
| name = self.frozenid.replace('.', '_') |
| return '_Py_M__' + name |
| |
| @property |
| def ispkg(self): |
| if not self.pyfile: |
| return False |
| elif self.frozenid.endswith('.__init__'): |
| return False |
| 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. |
| |
| For stdlib modules the ID will always be the full name |
| of the source module. |
| """ |
| if not isinstance(frozenid, str): |
| try: |
| frozenid = frozenid.frozenid |
| except AttributeError: |
| raise ValueError(f'unsupported frozenid {frozenid!r}') |
| # We use a consistent naming convention for all frozen modules. |
| frozenfile = f'{frozenid}.h' |
| if not destdir: |
| return frozenfile |
| return os.path.join(destdir, frozenfile) |
| |
| |
| ####################################### |
| # frozen modules |
| |
| class FrozenModule(namedtuple('FrozenModule', 'name ispkg section source')): |
| |
| def __getattr__(self, name): |
| return getattr(self.source, name) |
| |
| @property |
| def modname(self): |
| return self.name |
| |
| @property |
| def orig(self): |
| return self.source.modname |
| |
| @property |
| def isalias(self): |
| orig = self.source.modname |
| if not orig: |
| return True |
| return self.name != orig |
| |
| def summarize(self): |
| source = self.source.modname |
| if source: |
| source = f'<{source}>' |
| else: |
| source = relpath_for_posix_display(self.pyfile, ROOT_DIR) |
| return { |
| 'module': self.name, |
| 'ispkg': self.ispkg, |
| 'source': source, |
| 'frozen': os.path.basename(self.frozenfile), |
| 'checksum': _get_checksum(self.frozenfile), |
| } |
| |
| |
| def _iter_sources(modules): |
| seen = set() |
| for mod in modules: |
| if mod.source not in seen: |
| yield mod.source |
| seen.add(mod.source) |
| |
| |
| ####################################### |
| # generic helpers |
| |
| def _get_checksum(filename): |
| with open(filename, "rb") as infile: |
| contents = infile.read() |
| m = hashlib.sha256() |
| m.update(contents) |
| return m.hexdigest() |
| |
| |
| def resolve_modules(modname, pyfile=None): |
| if modname.startswith('<') and modname.endswith('>'): |
| if pyfile: |
| assert os.path.isdir(pyfile) or os.path.basename(pyfile) == '__init__.py', pyfile |
| ispkg = True |
| modname = modname[1:-1] |
| rawname = modname |
| # For now, we only expect match patterns at the end of the name. |
| _modname, sep, match = modname.rpartition('.') |
| if sep: |
| if _modname.endswith('.**'): |
| modname = _modname[:-3] |
| match = f'**.{match}' |
| elif match and not match.isidentifier(): |
| modname = _modname |
| # Otherwise it's a plain name so we leave it alone. |
| else: |
| match = None |
| else: |
| ispkg = False |
| rawname = modname |
| match = None |
| |
| if not check_modname(modname): |
| raise ValueError(f'not a valid module name ({rawname})') |
| |
| if not pyfile: |
| pyfile = _resolve_module(modname, ispkg=ispkg) |
| elif os.path.isdir(pyfile): |
| pyfile = _resolve_module(modname, pyfile, ispkg) |
| yield modname, pyfile, ispkg |
| |
| if match: |
| pkgdir = os.path.dirname(pyfile) |
| yield from iter_submodules(modname, pkgdir, match) |
| |
| |
| def check_modname(modname): |
| return all(n.isidentifier() for n in modname.split('.')) |
| |
| |
| def iter_submodules(pkgname, pkgdir=None, match='*'): |
| if not pkgdir: |
| pkgdir = os.path.join(STDLIB_DIR, *pkgname.split('.')) |
| if not match: |
| match = '**.*' |
| match_modname = _resolve_modname_matcher(match, pkgdir) |
| |
| def _iter_submodules(pkgname, pkgdir): |
| for entry in sorted(os.scandir(pkgdir), key=lambda e: e.name): |
| matched, recursive = match_modname(entry.name) |
| if not matched: |
| continue |
| modname = f'{pkgname}.{entry.name}' |
| if modname.endswith('.py'): |
| yield modname[:-3], entry.path, False |
| elif entry.is_dir(): |
| pyfile = os.path.join(entry.path, '__init__.py') |
| # We ignore namespace packages. |
| if os.path.exists(pyfile): |
| yield modname, pyfile, True |
| if recursive: |
| yield from _iter_submodules(modname, entry.path) |
| |
| return _iter_submodules(pkgname, pkgdir) |
| |
| |
| def _resolve_modname_matcher(match, rootdir=None): |
| if isinstance(match, str): |
| if match.startswith('**.'): |
| recursive = True |
| pat = match[3:] |
| assert match |
| else: |
| recursive = False |
| pat = match |
| |
| if pat == '*': |
| def match_modname(modname): |
| return True, recursive |
| else: |
| raise NotImplementedError(match) |
| elif callable(match): |
| match_modname = match(rootdir) |
| else: |
| raise ValueError(f'unsupported matcher {match!r}') |
| return match_modname |
| |
| |
| def _resolve_module(modname, pathentry=STDLIB_DIR, ispkg=False): |
| assert pathentry, pathentry |
| pathentry = os.path.normpath(pathentry) |
| assert os.path.isabs(pathentry) |
| if ispkg: |
| return os.path.join(pathentry, *modname.split('.'), '__init__.py') |
| return os.path.join(pathentry, *modname.split('.')) + '.py' |
| |
| |
| ####################################### |
| # regenerating dependent files |
| |
| def find_marker(lines, marker, file): |
| for pos, line in enumerate(lines): |
| if marker in line: |
| return pos |
| raise Exception(f"Can't find {marker!r} in file {file}") |
| |
| |
| def replace_block(lines, start_marker, end_marker, replacements, file): |
| start_pos = find_marker(lines, start_marker, file) |
| end_pos = find_marker(lines, end_marker, file) |
| if end_pos <= start_pos: |
| raise Exception(f"End marker {end_marker!r} " |
| f"occurs before start marker {start_marker!r} " |
| f"in file {file}") |
| replacements = [line.rstrip() + '\n' for line in replacements] |
| return lines[:start_pos + 1] + replacements + lines[end_pos:] |
| |
| |
| def regen_frozen(modules, frozen_modules: bool): |
| headerlines = [] |
| parentdir = os.path.dirname(FROZEN_FILE) |
| if frozen_modules: |
| for src in _iter_sources(modules): |
| # Adding a comment to separate sections here doesn't add much, |
| # so we don't. |
| header = relpath_for_posix_display(src.frozenfile, parentdir) |
| headerlines.append(f'#include "{header}"') |
| |
| externlines = [] |
| bootstraplines = [] |
| stdliblines = [] |
| testlines = [] |
| aliaslines = [] |
| indent = ' ' |
| lastsection = None |
| for mod in modules: |
| if mod.isbootstrap: |
| lines = bootstraplines |
| elif mod.section == TESTS_SECTION: |
| lines = testlines |
| else: |
| lines = stdliblines |
| if mod.section != lastsection: |
| if lastsection is not None: |
| lines.append('') |
| lines.append(f'/* {mod.section} */') |
| lastsection = mod.section |
| |
| # Also add a extern declaration for the corresponding |
| # deepfreeze-generated function. |
| orig_name = mod.source.id |
| code_name = orig_name.replace(".", "_") |
| get_code_name = "_Py_get_%s_toplevel" % code_name |
| externlines.append("extern PyObject *%s(void);" % get_code_name) |
| |
| symbol = mod.symbol |
| pkg = 'true' if mod.ispkg else 'false' |
| if not frozen_modules: |
| line = ('{"%s", NULL, 0, %s, GET_CODE(%s)},' |
| ) % (mod.name, pkg, code_name) |
| else: |
| line = ('{"%s", %s, (int)sizeof(%s), %s, GET_CODE(%s)},' |
| ) % (mod.name, symbol, symbol, pkg, code_name) |
| lines.append(line) |
| |
| if mod.isalias: |
| if not mod.orig: |
| entry = '{"%s", NULL},' % (mod.name,) |
| elif mod.source.ispkg: |
| entry = '{"%s", "<%s"},' % (mod.name, mod.orig) |
| else: |
| entry = '{"%s", "%s"},' % (mod.name, mod.orig) |
| aliaslines.append(indent + entry) |
| |
| for lines in (bootstraplines, stdliblines, testlines): |
| # TODO: Is this necessary any more? |
| if not lines[0]: |
| del lines[0] |
| for i, line in enumerate(lines): |
| if line: |
| lines[i] = indent + line |
| |
| print(f'# Updating {os.path.relpath(FROZEN_FILE)}') |
| with updating_file_with_tmpfile(FROZEN_FILE) as (infile, outfile): |
| lines = infile.readlines() |
| # TODO: Use more obvious markers, e.g. |
| # $START GENERATED FOOBAR$ / $END GENERATED FOOBAR$ |
| lines = replace_block( |
| lines, |
| "/* Includes for frozen modules: */", |
| "/* End includes */", |
| headerlines, |
| FROZEN_FILE, |
| ) |
| lines = replace_block( |
| lines, |
| "/* Start extern declarations */", |
| "/* End extern declarations */", |
| externlines, |
| FROZEN_FILE, |
| ) |
| lines = replace_block( |
| lines, |
| "static const struct _frozen bootstrap_modules[] =", |
| "/* bootstrap sentinel */", |
| bootstraplines, |
| FROZEN_FILE, |
| ) |
| lines = replace_block( |
| lines, |
| "static const struct _frozen stdlib_modules[] =", |
| "/* stdlib sentinel */", |
| stdliblines, |
| FROZEN_FILE, |
| ) |
| lines = replace_block( |
| lines, |
| "static const struct _frozen test_modules[] =", |
| "/* test sentinel */", |
| testlines, |
| FROZEN_FILE, |
| ) |
| lines = replace_block( |
| lines, |
| "const struct _module_alias aliases[] =", |
| "/* aliases sentinel */", |
| aliaslines, |
| FROZEN_FILE, |
| ) |
| outfile.writelines(lines) |
| |
| |
| def regen_makefile(modules): |
| pyfiles = [] |
| frozenfiles = [] |
| rules = [''] |
| deepfreezerules = ["Python/deepfreeze/deepfreeze.c: $(DEEPFREEZE_DEPS)", |
| "\t$(PYTHON_FOR_FREEZE) $(srcdir)/Tools/scripts/deepfreeze.py \\"] |
| for src in _iter_sources(modules): |
| frozen_header = relpath_for_posix_display(src.frozenfile, ROOT_DIR) |
| frozenfiles.append(f'\t\t{frozen_header} \\') |
| |
| pyfile = relpath_for_posix_display(src.pyfile, ROOT_DIR) |
| pyfiles.append(f'\t\t{pyfile} \\') |
| |
| if src.isbootstrap: |
| freezecmd = '$(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}: {pyfile} {freezedep}', |
| f'\t{freeze}', |
| '', |
| ]) |
| deepfreezerules.append(f"\t{frozen_header}:{src.frozenid} \\") |
| deepfreezerules.append('\t-o Python/deepfreeze/deepfreeze.c') |
| pyfiles[-1] = pyfiles[-1].rstrip(" \\") |
| frozenfiles[-1] = frozenfiles[-1].rstrip(" \\") |
| |
| print(f'# Updating {os.path.relpath(MAKEFILE)}') |
| with updating_file_with_tmpfile(MAKEFILE) as (infile, outfile): |
| lines = infile.readlines() |
| lines = replace_block( |
| lines, |
| "FROZEN_FILES_IN =", |
| "# End FROZEN_FILES_IN", |
| pyfiles, |
| MAKEFILE, |
| ) |
| lines = replace_block( |
| lines, |
| "FROZEN_FILES_OUT =", |
| "# End FROZEN_FILES_OUT", |
| frozenfiles, |
| MAKEFILE, |
| ) |
| lines = replace_block( |
| lines, |
| "# BEGIN: freezing modules", |
| "# END: freezing modules", |
| rules, |
| MAKEFILE, |
| ) |
| lines = replace_block( |
| lines, |
| "# BEGIN: deepfreeze modules", |
| "# END: deepfreeze modules", |
| deepfreezerules, |
| MAKEFILE, |
| ) |
| outfile.writelines(lines) |
| |
| |
| def regen_pcbuild(modules): |
| projlines = [] |
| filterlines = [] |
| corelines = [] |
| deepfreezerules = ['\t<Exec Command=\'$(PythonForBuild) "$(PySourcePath)Tools\\scripts\\deepfreeze.py" ^'] |
| for src in _iter_sources(modules): |
| pyfile = relpath_for_windows_display(src.pyfile, ROOT_DIR) |
| header = relpath_for_windows_display(src.frozenfile, ROOT_DIR) |
| intfile = ntpath.splitext(ntpath.basename(header))[0] + '.g.h' |
| projlines.append(f' <None Include="..\\{pyfile}">') |
| projlines.append(f' <ModName>{src.frozenid}</ModName>') |
| projlines.append(f' <IntFile>$(IntDir){intfile}</IntFile>') |
| projlines.append(f' <OutFile>$(PySourcePath){header}</OutFile>') |
| projlines.append(f' </None>') |
| |
| filterlines.append(f' <None Include="..\\{pyfile}">') |
| filterlines.append(' <Filter>Python Files</Filter>') |
| filterlines.append(' </None>') |
| deepfreezerules.append(f'\t\t "$(PySourcePath){header}:{src.frozenid}" ^') |
| deepfreezerules.append('\t\t "-o" "$(PySourcePath)Python\\deepfreeze\\deepfreeze.c"\'/>' ) |
| |
| corelines.append(f' <ClCompile Include="..\\Python\\deepfreeze\\deepfreeze.c" />') |
| |
| print(f'# Updating {os.path.relpath(PCBUILD_PROJECT)}') |
| with updating_file_with_tmpfile(PCBUILD_PROJECT) as (infile, outfile): |
| lines = infile.readlines() |
| lines = replace_block( |
| lines, |
| '<!-- BEGIN frozen modules -->', |
| '<!-- END frozen modules -->', |
| projlines, |
| PCBUILD_PROJECT, |
| ) |
| outfile.writelines(lines) |
| with updating_file_with_tmpfile(PCBUILD_PROJECT) as (infile, outfile): |
| lines = infile.readlines() |
| lines = replace_block( |
| lines, |
| '<!-- BEGIN deepfreeze rule -->', |
| '<!-- END deepfreeze rule -->', |
| deepfreezerules, |
| PCBUILD_PROJECT, |
| ) |
| outfile.writelines(lines) |
| print(f'# Updating {os.path.relpath(PCBUILD_FILTERS)}') |
| with updating_file_with_tmpfile(PCBUILD_FILTERS) as (infile, outfile): |
| lines = infile.readlines() |
| lines = replace_block( |
| lines, |
| '<!-- BEGIN frozen modules -->', |
| '<!-- END frozen modules -->', |
| filterlines, |
| PCBUILD_FILTERS, |
| ) |
| outfile.writelines(lines) |
| print(f'# Updating {os.path.relpath(PCBUILD_PYTHONCORE)}') |
| with updating_file_with_tmpfile(PCBUILD_PYTHONCORE) as (infile, outfile): |
| lines = infile.readlines() |
| lines = replace_block( |
| lines, |
| '<!-- BEGIN deepfreeze -->', |
| '<!-- END deepfreeze -->', |
| corelines, |
| PCBUILD_FILTERS, |
| ) |
| outfile.writelines(lines) |
| |
| |
| ####################################### |
| # the script |
| |
| parser = argparse.ArgumentParser() |
| parser.add_argument("--frozen-modules", action="store_true", |
| help="Use both frozen and deepfrozen modules. (default: uses only deepfrozen modules)") |
| |
| def main(): |
| args = parser.parse_args() |
| frozen_modules: bool = args.frozen_modules |
| # Expand the raw specs, preserving order. |
| modules = list(parse_frozen_specs()) |
| |
| # Regen build-related files. |
| regen_makefile(modules) |
| regen_pcbuild(modules) |
| regen_frozen(modules, frozen_modules) |
| |
| |
| if __name__ == '__main__': |
| main() |
