from argparse import ArgumentParser from io import BytesIO, StringIO import json from pathlib import Path import tarfile from urllib.error import HTTPError from urllib.request import urlopen from wheel.wheelfile import WheelFile from zipfile import ZipFile, ZipInfo, ZIP_DEFLATED METADATA = { "Summary": "Austin - Frame Stack Sampler for CPython", "Author": "Gabriele N. Tornetta", "License": "GPLv3+", "Classifier": [ "Development Status :: 5 - Production/Stable", "Intended Audience :: Developers", "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)", "Programming Language :: Python :: 3.8", "Programming Language :: Python :: 3.9", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", "Programming Language :: Python :: 3.13", ], "Project-URL": [ "Homepage, https://github.com/P403n1x87/austin", "Source Code, https://github.com/P403n1x87/austin", "Bug Tracker, https://github.com/P403n1x87/austin/issues", "Changelog, https://github.com/P403n1x87/austin/blob/master/ChangeLog", "Documentation, https://github.com/P403n1x87/austin/blob/master/README.md", "Funding, https://github.com/sponsors/P403n1x87", "Release Notes, https://github.com/P403n1x87/austin/releases", ], "Description-Content-Type": "text/markdown", } AUSTIN_WHEELS = { "manylinux_2_17_aarch64.manylinux2014_aarch64": ( "gnu-linux-aarch64.tar.xz", ("austin", "austinp"), ), "manylinux_2_12_x86_64.manylinux2010_x86_64": ( "gnu-linux-amd64.tar.xz", ("austin", "austinp"), ), "manylinux_2_17_armv7l.manylinux2014_armv7l": ( "gnu-linux-armv7.tar.xz", ("austin", "austinp"), ), "manylinux_2_17_ppc64le.manylinux2014_ppc64le": ( "gnu-linux-ppc64le.tar.xz", ("austin", "austinp"), ), "macosx_11_0_x86_64": ("mac64.zip", ("austin",)), "macosx_11_0_arm64": ("mac-arm64.zip", ("austin",)), "musllinux_1_1_aarch64": ("musl-linux-aarch64.tar.xz", ("austin",)), "musllinux_1_1_x86_64": ("musl-linux-amd64.tar.xz", ("austin",)), "musllinux_1_1_armv7l": ("musl-linux-armv7.tar.xz", ("austin",)), "musllinux_1_1_ppc64le": ("musl-linux-ppc64le.tar.xz", ("austin",)), "win_amd64": ("win64.zip", ("austin",)), } def make_message(headers, payload=None): message = StringIO() for name, value in headers.items(): if isinstance(value, list): for value_part in value: print(f"{name}: {value_part}", file=message) else: print(f"{name}: {value}", file=message) if payload: print(file=message) print(payload, file=message) return message.getvalue().encode("utf-8") def write_austin_wheel(out_dir, *, version, platform, austin_bin_data): package_name = "austin-dist" python = ".".join(("py2", "py3")) dist_name = package_name.replace("-", "_") wheel_name = f"{dist_name}-{version}-{python}-none-{platform}.whl" dist_info = f"{dist_name}-{version}.dist-info" wheel_path = out_dir / wheel_name print(f"Building {wheel_name} ... ", end="", flush=True) contents = {} for binary_name, binary_data in austin_bin_data: zip_info = ZipInfo(f"{dist_name}-{version}.data/scripts/{binary_name}") zip_info.external_attr |= 33261 << 16 contents[zip_info] = binary_data contents[f"{dist_info}/METADATA"] = make_message( { "Metadata-Version": "2.1", "Name": package_name, "Version": version, **METADATA, }, Path("README.md").read_text("utf-8"), ) contents[f"{dist_info}/WHEEL"] = make_message( { "Wheel-Version": "1.0", "Generator": "austin-dist build-wheel.py", "Root-Is-Purelib": "false", "Tag": f"{python}-none-{platform}", } ) with WheelFile(str(wheel_path), "w") as wheel: for member_info, member_source in contents.items(): if not isinstance(member_info, ZipInfo): member_info = ZipInfo(member_info) member_info.external_attr = 0o644 << 16 member_info.file_size = len(member_source) member_info.compress_type = ZIP_DEFLATED wheel.writestr(member_info, bytes(member_source)) assert wheel_path.exists(), "wheel file created" print("done") def get_latest_release() -> str: with urlopen( "https://api.github.com/repos/p403n1x87/austin/releases/latest" ) as stream: return json.loads(stream.read().decode("utf-8"))["tag_name"].strip("v") def download_release( version: str, suffix: str, variant_name: str = "austin" ) -> tuple[str, bytes]: prefix = "https://github.com/p403n1x87/austin/releases/download/" try: with urlopen(f"{prefix}v{version}/{variant_name}-{version}-{suffix}") as stream: buffer = BytesIO(stream.read()) if suffix.endswith(".tar.xz"): with tarfile.open(fileobj=buffer, mode="r:xz") as tar: return variant_name, tar.extractfile(variant_name).read() elif suffix.endswith(".zip"): with ZipFile(buffer) as zip: try: return variant_name, zip.read(variant_name) except KeyError: file_name = f"{variant_name}.exe" return file_name, zip.read(file_name) raise ValueError(f"Unknown archive extension: {suffix}") except HTTPError: raise RuntimeError(f"Could not download Austin version {version}") if __name__ == "__main__": argp = ArgumentParser() argp.add_argument( "--version", help="Austin version to build wheels for", default=None, ) argp.add_argument( "--platform", help="Platform to build wheels for", choices=AUSTIN_WHEELS.keys(), default=None, ) argp.add_argument( "--files", help="The variant to binary file mapping (e.g. austin:src/austin)", nargs="+", type=str, default=None, ) args = argp.parse_args() version = args.version or get_latest_release() dist_dir = Path.cwd() / "dist" dist_dir.mkdir(exist_ok=True) for platform, (suffix, variants) in AUSTIN_WHEELS.items(): if args.platform is not None and args.platform != platform: continue bin_data = ( ( download_release(version, suffix, variant_name=variant) for variant in variants ) if args.files is None else ( (file_name, Path(bin_path).read_bytes()) for file_name, bin_path in (file.split(":") for file in args.files) ) ) write_austin_wheel( dist_dir, version=version, platform=platform, austin_bin_data=bin_data, )