python-LimeReport/setup.py

import os
import re
import subprocess
import sys
from pathlib import Path
import platform

from setuptools import Extension, setup
from setuptools.command.build_ext import build_ext
from wheel.bdist_wheel import bdist_wheel


USE_ZINT_ENV_KEY = 'LIMEREPORT_USE_ZINT'
USE_ZINT = os.environ.get(USE_ZINT_ENV_KEY, False)

def qt_version_tuple():
    proc = subprocess.Popen(['qmake', '-query', 'QT_VERSION'], stdout=subprocess.PIPE)
    output = proc.stdout.read()
    return output.decode('utf-8').strip().split('.')
    
qt_major = qt_version_tuple()[0]
(p_major, p_minor, p_patchlevel) = platform.python_version_tuple()
pyside_version = f"{(2 if qt_major == 5 else qt_major)}"

def get_name():
    n = f"LimeReport{pyside_version}"

    if USE_ZINT:
        return n + "-Z"
    
    return n

def get_license():
    if USE_ZINT:
        return "GPLv3"
    else:
        return "LGPLv3"

def get_license_files():
    if USE_ZINT:
        return ["COPYING.gpl3"]
    else:
        return ["COPYING.lgpl3"]

def get_classifiers():
    c = [
        "Environment :: X11 Applications :: Qt",
        "Programming Language :: C++",
        f"Programming Language :: Python :: {p_major}",
        f"Programming Language :: Python :: {p_major}.{p_minor}",
    ]
    
    if USE_ZINT:
        c.append("License :: OSI Approved :: GNU General Public License v3 (GPLv3)")
    else:
        c.append("License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)")

    return c

PLAT_TO_CMAKE = {
    "win32": "Win32",
    "win-amd64": "x64",
    "win-arm32": "ARM",
    "win-arm64": "ARM64",
}

class CMakeExtension(Extension):
    def __init__(self, name: str, sourcedir: str = "", py_limited_api = False) -> None:
        super().__init__(
            name=name, 
            sources=[],
            py_limited_api=py_limited_api,
        )
        self.sourcedir = os.fspath(Path(sourcedir).resolve())

class BuildExt(build_ext):
    def build_extension(self, ext: CMakeExtension) -> None:
        # Must be in this form due to bug in .resolve() only fixed in Python 3.10+
        ext_fullpath = Path.cwd() / self.get_ext_fullpath(ext.name)
        extdir = ext_fullpath.parent.resolve()


        debug = int(os.environ.get("DEBUG", 0)) if self.debug is None else self.debug
        cfg = "Debug" if debug else "Release"

        cmake_generator = os.environ.get("CMAKE_GENERATOR", "")

        cmake_args = [
            f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={extdir}{os.sep}",
            f"-DCMAKE_BUILD_TYPE={cfg}",  # not used on MSVC, but no harm
            f"-DENABLE_ZINT={USE_ZINT}"
        ]
        build_args = []
        # Adding CMake arguments set as environment variable
        # (needed e.g. to build for ARM OSx on conda-forge)
        if "CMAKE_ARGS" in os.environ:
            cmake_args += [item for item in os.environ["CMAKE_ARGS"].split(" ") if item]

        if self.compiler.compiler_type != "msvc":
            if not cmake_generator or cmake_generator == "Ninja":
                try:
                    import ninja

                    ninja_executable_path = Path(ninja.BIN_DIR) / "ninja"
                    cmake_args += [
                        "-GNinja",
                        f"-DCMAKE_MAKE_PROGRAM:FILEPATH={ninja_executable_path}",
                    ]
                except ImportError:
                    pass
        else:
            # Single config generators are handled "normally"
            single_config = any(x in cmake_generator for x in {"NMake", "Ninja"})

            # CMake allows an arch-in-generator style for backward compatibility
            contains_arch = any(x in cmake_generator for x in {"ARM", "Win64"})

            # Specify the arch if using MSVC generator, but only if it doesn't
            # contain a backward-compatibility arch spec already in the
            # generator name.
            if not single_config and not contains_arch:
                cmake_args += ["-A", PLAT_TO_CMAKE[self.plat_name]]

            # Multi-config generators have a different way to specify configs
            if not single_config:
                cmake_args += [
                    f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{cfg.upper()}={extdir}"
                ]
                build_args += ["--config", cfg]

        if sys.platform.startswith("darwin"):
            # Cross-compile support for macOS - respect ARCHFLAGS if set
            archs = re.findall(r"-arch (\S+)", os.environ.get("ARCHFLAGS", ""))
            if archs:
                cmake_args += ["-DCMAKE_OSX_ARCHITECTURES={}".format(";".join(archs))]

        if "CMAKE_BUILD_PARALLEL_LEVEL" not in os.environ:
            if hasattr(self, "parallel") and self.parallel:
                build_args += [f"-j{self.parallel}"]

        build_temp = Path(self.build_temp) / ext.name
        if not build_temp.exists():
            build_temp.mkdir(parents=True)

        subprocess.run(
            ["cmake", ext.sourcedir, *cmake_args], cwd=build_temp, check=True
        )
        subprocess.run(
            ["cmake", "--build", ".", *build_args], cwd=build_temp, check=True
        )
        
setup(
    name=get_name(),
    license = get_license(),
    classifiers = get_classifiers(),
    license_files = get_license_files(),
    ext_modules=[
        CMakeExtension(
            f"LimeReport{qt_major}",
            py_limited_api=True
        )
    ],
    cmdclass={
        "build_ext": BuildExt,
    },
    install_requires=[
        f"PySide{pyside_version}"
    ],
)