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155 lines
4 KiB
Python
155 lines
4 KiB
Python
# This script lists the names of standard library modules
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# to update Python/stdlib_module_names.h
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import _imp
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import os.path
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import sys
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import sysconfig
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from check_extension_modules import ModuleChecker
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SCRIPT_NAME = 'Tools/build/generate_stdlib_module_names.py'
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SRC_DIR = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
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STDLIB_PATH = os.path.join(SRC_DIR, 'Lib')
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IGNORE = {
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'__init__',
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'__pycache__',
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'site-packages',
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# Test modules and packages
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'__hello__',
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'__phello__',
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'__hello_alias__',
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'__phello_alias__',
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'__hello_only__',
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'_ctypes_test',
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'_testbuffer',
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'_testcapi',
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'_testclinic',
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'_testclinic_limited',
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'_testconsole',
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'_testimportmultiple',
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'_testinternalcapi',
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'_testlimitedcapi',
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'_testmultiphase',
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'_testsinglephase',
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'_testexternalinspection',
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'_xxtestfuzz',
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'idlelib.idle_test',
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'test',
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'xxlimited',
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'xxlimited_35',
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'xxsubtype',
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}
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ALLOW_TEST_MODULES = {
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'doctest',
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'unittest',
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}
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# Built-in modules
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def list_builtin_modules(names):
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names |= set(sys.builtin_module_names)
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# Pure Python modules (Lib/*.py)
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def list_python_modules(names):
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for filename in os.listdir(STDLIB_PATH):
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if not filename.endswith(".py"):
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continue
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name = filename.removesuffix(".py")
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names.add(name)
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# Packages in Lib/
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def list_packages(names):
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for name in os.listdir(STDLIB_PATH):
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if name in IGNORE:
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continue
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package_path = os.path.join(STDLIB_PATH, name)
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if not os.path.isdir(package_path):
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continue
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if any(package_file.endswith(".py")
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for package_file in os.listdir(package_path)):
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names.add(name)
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# Built-in and extension modules built by Modules/Setup*
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# includes Windows and macOS extensions.
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def list_modules_setup_extensions(names):
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checker = ModuleChecker()
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names.update(checker.list_module_names(all=True))
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# List frozen modules of the PyImport_FrozenModules list (Python/frozen.c).
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# Use the "./Programs/_testembed list_frozen" command.
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def list_frozen(names):
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submodules = set()
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for name in _imp._frozen_module_names():
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# To skip __hello__, __hello_alias__ and etc.
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if name.startswith('__'):
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continue
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if '.' in name:
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submodules.add(name)
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else:
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names.add(name)
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# Make sure all frozen submodules have a known parent.
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for name in list(submodules):
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if name.partition('.')[0] in names:
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submodules.remove(name)
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if submodules:
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raise Exception(f'unexpected frozen submodules: {sorted(submodules)}')
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def list_modules():
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names = set()
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list_builtin_modules(names)
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list_modules_setup_extensions(names)
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list_packages(names)
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list_python_modules(names)
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list_frozen(names)
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# Remove ignored packages and modules
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for name in list(names):
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package_name = name.split('.')[0]
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# package_name can be equal to name
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if package_name in IGNORE:
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names.discard(name)
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# Sanity checks
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for name in names:
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if "." in name:
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raise Exception(f"sub-modules must not be listed: {name}")
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if ("test" in name or "xx" in name) and name not in ALLOW_TEST_MODULES:
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raise Exception(f"test modules must not be listed: {name}")
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return names
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def write_modules(fp, names):
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print(f"// Auto-generated by {SCRIPT_NAME}.",
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file=fp)
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print("// List used to create sys.stdlib_module_names.", file=fp)
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print(file=fp)
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print("static const char* _Py_stdlib_module_names[] = {", file=fp)
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for name in sorted(names):
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print(f'"{name}",', file=fp)
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print("};", file=fp)
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def main():
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if not sysconfig.is_python_build():
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print(f"ERROR: {sys.executable} is not a Python build",
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file=sys.stderr)
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sys.exit(1)
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fp = sys.stdout
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names = list_modules()
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write_modules(fp, names)
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if __name__ == "__main__":
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main()
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