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build_taglib.py
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build_taglib.py
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import hashlib
import platform
import shutil
import subprocess
import sys
import tarfile
import urllib.request
from argparse import ArgumentParser
from pathlib import Path
is_x64 = sys.maxsize > 2**32
arch = "x64" if is_x64 else "x32"
system = platform.system()
python_version = platform.python_version()
here = Path(__file__).resolve().parent
default_taglib_path = here / "build" / "taglib" / f"{system}-{arch}-py{python_version}"
taglib_version = "1.13.1"
taglib_release = f"https://github.com/taglib/taglib/archive/refs/tags/v{taglib_version}.tar.gz"
taglib_sha256sum = "c8da2b10f1bfec2cd7dbfcd33f4a2338db0765d851a50583d410bacf055cfd0b"
class Configuration:
def __init__(self):
self.tl_install_dir = default_taglib_path
self.build_path = here / "build"
self.clean = False
@property
def tl_download_dest(self):
return self.build_path / f"taglib-{taglib_version}.tar.gz"
@property
def tl_extract_dir(self):
return self.build_path / f"taglib-{taglib_version}"
def download(config: Configuration):
target = config.tl_download_dest
if target.exists():
print("skipping download, file exists")
else:
print(f"downloading taglib {taglib_version} ...")
response = urllib.request.urlopen(taglib_release)
data = response.read()
target.parent.mkdir(exist_ok=True, parents=True)
target.write_bytes(data)
the_hash = hashlib.sha256(target.read_bytes()).hexdigest()
assert the_hash == taglib_sha256sum
def extract(config: Configuration):
if config.tl_extract_dir.exists():
print("extracted taglib found. Skipping tar")
else:
print("extracting tarball")
tar = tarfile.open(config.tl_download_dest)
tar.extractall(config.tl_extract_dir.parent)
def cmake_clean(config: Configuration):
if not config.clean:
return
print("removing previous cmake cache ...")
cache = config.tl_extract_dir / "CMakeCache.txt"
if cache.exists():
cache.unlink()
shutil.rmtree(config.tl_extract_dir / "CMakeFiles", ignore_errors=True)
def call_cmake(config, *args):
return subprocess.run(
["cmake", *[a for a in args if a is not None]],
cwd=config.tl_extract_dir,
check=True,
)
def cmake_config(config: Configuration):
print("running cmake ...")
args = ["-DWITH_ZLIB=OFF"] # todo fix building wheels with zlib support
if system == "Windows":
cmake_arch = "x64" if is_x64 else "Win32"
args += ["-A", cmake_arch]
elif system == "Linux":
args.append("-DCMAKE_POSITION_INDEPENDENT_CODE=ON")
args.append(f"-DCMAKE_INSTALL_PREFIX={config.tl_install_dir}")
args.append(".")
config.tl_install_dir.mkdir(exist_ok=True, parents=True)
call_cmake(config, *args)
def cmake_build(config: Configuration):
print("building taglib ...")
build_configuration = "Release"
call_cmake(
config,
"--build",
".",
"--config",
build_configuration,
"--clean-first" if config.clean else None,
)
print("installing cmake ...")
call_cmake(config, "--install", ".", "--config", build_configuration)
def to_abs_path(str_path: str) -> Path:
path = Path(str_path)
if not path.is_absolute():
path = here / path
return path
def parse_args() -> Configuration:
parser = ArgumentParser()
config = Configuration()
parser.add_argument(
"--install-dest",
help="destination directory for taglib",
type=Path,
default=config.tl_install_dir,
)
parser.add_argument("--clean", action="store_true")
args = parser.parse_args()
config.tl_install_dir = to_abs_path(args.install_dest)
config.clean = args.clean
return config
def run():
print(f"building taglib on {system}, arch {arch}, for python {python_version} ...")
config = parse_args()
tag_lib = (
config.tl_install_dir
/ "lib"
/ ("tag.lib" if system == "Windows" else "libtag.a")
)
if tag_lib.exists() and not config.clean:
print("installed TagLib found, exiting")
return
download(config)
extract(config)
cmake_clean(config)
cmake_config(config)
cmake_build(config)
if __name__ == "__main__":
run()