Jeff Epler
100c96d87e
I'm sick of the way the simple extension builder in setup.py doesn't understand header dependencies.
85 lines
3.2 KiB
Python
85 lines
3.2 KiB
Python
# Available at setup time due to pyproject.toml
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import multiprocessing
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import os
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import subprocess
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import sys
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from pathlib import Path
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from setuptools import Extension, setup
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from setuptools.command.build_ext import build_ext
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from setuptools_scm import get_version
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__version__ = get_version()
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# A CMakeExtension needs a sourcedir instead of a file list.
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# The name must be the _single_ output extension from the CMake build.
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# If you need multiple extensions, see scikit-build.
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class CMakeExtension(Extension):
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def __init__(self, name: str, sourcedir: str = "") -> None:
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super().__init__(name, sources=[])
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self.sourcedir = os.fspath(Path(sourcedir).resolve())
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class CMakeBuild(build_ext):
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def build_extension(self, ext: CMakeExtension) -> None:
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# Must be in this form due to bug in .resolve() only fixed in Python 3.10+
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ext_fullpath = Path.cwd() / self.get_ext_fullpath(ext.name)
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extdir = ext_fullpath.parent.resolve()
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# Using this requires trailing slash for auto-detection & inclusion of
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# auxiliary "native" libs
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debug = int(os.environ.get("DEBUG", 0)) if self.debug is None else self.debug
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cfg = "Debug" if debug else "Release"
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# Set Python_EXECUTABLE instead if you use PYBIND11_FINDPYTHON
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# EXAMPLE_VERSION_INFO shows you how to pass a value into the C++ code
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# from Python.
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cmake_args = [
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"-GUnix Makefiles",
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f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={extdir}{os.sep}",
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f"-DPYTHON_EXECUTABLE={sys.executable}",
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f"-DCMAKE_BUILD_TYPE={cfg}", # not used on MSVC, but no harm
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]
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build_args = []
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# Adding CMake arguments set as environment variable
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# (needed e.g. to build for ARM OSx on conda-forge)
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if "CMAKE_ARGS" in os.environ:
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cmake_args += [item for item in os.environ["CMAKE_ARGS"].split(" ") if item]
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build_args += [f"-j{multiprocessing.cpu_count()}"]
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build_temp = Path(self.build_temp) / ext.name
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if not build_temp.exists():
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build_temp.mkdir(parents=True)
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subprocess.run(
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["cmake", ext.sourcedir, *cmake_args], cwd=build_temp, check=True
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)
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subprocess.run(
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["make", *build_args], cwd=build_temp, check=True
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)
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# The main interface is through Pybind11Extension.
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# * You can add cxx_std=11/14/17, and then build_ext can be removed.
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# * You can set include_pybind11=false to add the include directory yourself,
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# say from a submodule.
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setup(
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name="Adafruit-Blinka-Raspberry-Pi5-Piomatter",
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version=__version__,
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url="https://github.com/adafruit/Adafruit_Blinka_Raspberry_Pi5_Piomatter",
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description="HUB75 matrix driver for Raspberry Pi 5 using PIO",
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long_description="A pio-based driver",
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ext_modules=[CMakeExtension("adafruit_blinka_raspberry_pi5_piomatter._piomatter")],
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cmdclass={"build_ext": CMakeBuild},
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zip_safe=False,
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python_requires=">=3.11",
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packages=['adafruit_blinka_raspberry_pi5_piomatter'],
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package_dir={'adafruit_blinka_raspberry_pi5_piomatter': 'src/adafruit_blinka_raspberry_pi5_piomatter'},
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extras_require={
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'docs': ["sphinx", "sphinx-rtd-theme", "sphinxcontrib-jquery"],
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},
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)
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