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import argparse
import os
from pathlib import Path
import platform
import shutil
import subprocess
parser = argparse.ArgumentParser(
description="Construct Universal dylibs for nuget package"
)
parser.add_argument(
"arm64_input_directory", help="ARM64 Input directory containing dylibs"
)
parser.add_argument(
"x86_64_input_directory", help="x86_64 Input directory containing dylibs"
)
parser.add_argument("output_directory", help="Output directory")
parser.add_argument("rglob", help="rglob")
args = parser.parse_args()
# Use Apple LLVM on Darwin, otherwise standard LLVM.
if platform.system() == "Darwin":
LIPO = "lipo"
else:
LIPO = shutil.which("llvm-lipo")
if LIPO is None:
for llvm_ver in [15, 14, 13]:
lipo_path = shutil.which(f"llvm-lipo-{llvm_ver}")
if lipo_path is not None:
LIPO = lipo_path
break
if LIPO is None:
raise Exception("Cannot find a valid location for LLVM lipo!")
arm64_input_directory: Path = Path(args.arm64_input_directory)
x86_64_input_directory: Path = Path(args.x86_64_input_directory)
output_directory: Path = Path(args.output_directory)
rglob = args.rglob
def get_new_name(
input_directory: Path, output_directory: str, input_dylib_path: Path
) -> Path:
input_component = str(input_dylib_path).replace(str(input_directory), "")[1:]
return Path(os.path.join(output_directory, input_component))
def is_fat_file(dylib_path: Path) -> str:
res = subprocess.check_output([LIPO, "-info", str(dylib_path.absolute())]).decode(
"utf-8"
)
return not res.split("\n")[0].startswith("Non-fat file")
def construct_universal_dylib(
arm64_input_dylib_path: Path, x86_64_input_dylib_path: Path, output_dylib_path: Path
):
if output_dylib_path.exists() or output_dylib_path.is_symlink():
os.remove(output_dylib_path)
os.makedirs(output_dylib_path.parent, exist_ok=True)
if arm64_input_dylib_path.is_symlink():
os.symlink(
os.path.basename(arm64_input_dylib_path.resolve()), output_dylib_path
)
else:
if is_fat_file(arm64_input_dylib_path) or not x86_64_input_dylib_path.exists():
with open(output_dylib_path, "wb") as dst:
with open(arm64_input_dylib_path, "rb") as src:
dst.write(src.read())
else:
subprocess.check_call(
[
LIPO,
str(arm64_input_dylib_path.absolute()),
str(x86_64_input_dylib_path.absolute()),
"-output",
str(output_dylib_path.absolute()),
"-create",
]
)
print(rglob)
for path in arm64_input_directory.rglob("**/*.dylib"):
construct_universal_dylib(
path,
get_new_name(arm64_input_directory, x86_64_input_directory, path),
get_new_name(arm64_input_directory, output_directory, path),
)
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