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PC/layout/support/arch.py
34 строки
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Steve Dower
gh-135455: Fix version and architecture detection in PC/layout script. (GH-135461)
13 июн 2025, 18:04
Не верифицирован
13 июн 2025, 18:04
afc5ab6
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from struct import unpack from .constants import * from .logging import * def calculate_from_build_dir(root): candidates = [ root / PYTHON_DLL_NAME, root / FREETHREADED_PYTHON_DLL_NAME, *root.glob("*.dll"), *root.glob("*.pyd"), # Check EXE last because it's easier to have cross-platform EXE *root.glob("*.exe"), ] ARCHS = { b"PE\0\0\x4c\x01": "win32", b"PE\0\0\x64\x86": "amd64", b"PE\0\0\x64\xAA": "arm64" } first_exc = None for pe in candidates: try: # Read the PE header to grab the machine type with open(pe, "rb") as f: f.seek(0x3C) offset = int.from_bytes(f.read(4), "little") f.seek(offset) arch = ARCHS[f.read(6)] except (FileNotFoundError, PermissionError, LookupError) as ex: log_debug("Failed to open {}: {}", pe, ex) continue log_info("Inferred architecture {} from {}", arch, pe) return arch