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"""Build optional cython modules."""
import logging
import os
from distutils.command.build_ext import build_ext
from typing import Any
try:
from setuptools import Extension
except ImportError:
from distutils.core import Extension
_LOGGER = logging.getLogger(__name__)
TO_CYTHONIZE = [
"src/zeroconf/_dns.py",
"src/zeroconf/_cache.py",
"src/zeroconf/_history.py",
"src/zeroconf/_record_update.py",
"src/zeroconf/_listener.py",
"src/zeroconf/_protocol/incoming.py",
"src/zeroconf/_protocol/outgoing.py",
"src/zeroconf/_handlers/answers.py",
"src/zeroconf/_handlers/record_manager.py",
"src/zeroconf/_handlers/multicast_outgoing_queue.py",
"src/zeroconf/_handlers/query_handler.py",
"src/zeroconf/_services/__init__.py",
"src/zeroconf/_services/browser.py",
"src/zeroconf/_services/info.py",
"src/zeroconf/_services/registry.py",
"src/zeroconf/_updates.py",
"src/zeroconf/_utils/ipaddress.py",
"src/zeroconf/_utils/time.py",
]
EXTENSIONS = [
Extension(
ext.removeprefix("src/").removesuffix(".py").replace("/", "."),
[ext],
language="c",
extra_compile_args=["-O3", "-g0"],
)
for ext in TO_CYTHONIZE
]
class BuildExt(build_ext):
def build_extensions(self) -> None:
try:
super().build_extensions()
except Exception:
_LOGGER.info("Failed to build cython extensions")
def build(setup_kwargs: Any) -> None:
if os.environ.get("SKIP_CYTHON"):
return
try:
from Cython.Build import cythonize # noqa: PLC0415
setup_kwargs.update(
{
"ext_modules": cythonize(
EXTENSIONS,
compiler_directives={"language_level": "3"}, # Python 3
),
"cmdclass": {"build_ext": BuildExt},
}
)
setup_kwargs["exclude_package_data"] = {pkg: ["*.c"] for pkg in setup_kwargs["packages"]}
except Exception:
if os.environ.get("REQUIRE_CYTHON"):
raise
|
