setup: Build wheels with the stable ABI (abi3)
This will produce cross-version wheels so we won't have to do releases just to make new wheels when new versions of Python are available. Also modernize the build process a bit to require setuptools and use the native "optional" flag for extensions.
This commit is contained in:
Ben Darnell
parent
12d4d0a0ba
commit
e71fb6e616
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@ -58,7 +58,7 @@ jobs:
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platforms: all
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- name: Build wheels
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uses: pypa/cibuildwheel@v2.3.1
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uses: pypa/cibuildwheel@v2.6.1
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- uses: actions/upload-artifact@v2
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with:
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@ -1,3 +1,7 @@
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[build-system]
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requires = ["setuptools", "wheel"]
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build-backend = "setuptools.build_meta"
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[tool.cibuildwheel]
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build = "cp3[789]* cp310*"
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test-command = "python -m tornado.test"
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126
setup.py
126
setup.py
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@ -17,98 +17,12 @@
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import os
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import platform
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import sys
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import warnings
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import setuptools
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try:
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# Use setuptools if available, for install_requires (among other things).
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import setuptools
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from setuptools import setup
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import wheel.bdist_wheel
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except ImportError:
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setuptools = None
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from distutils.core import setup
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from distutils.core import Extension
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# The following code is copied from
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# https://github.com/mongodb/mongo-python-driver/blob/master/setup.py
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# to support installing without the extension on platforms where
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# no compiler is available.
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from distutils.command.build_ext import build_ext
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class custom_build_ext(build_ext):
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"""Allow C extension building to fail.
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The C extension speeds up websocket masking, but is not essential.
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"""
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warning_message = """
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********************************************************************
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WARNING: %s could not
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be compiled. No C extensions are essential for Tornado to run,
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although they do result in significant speed improvements for
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websockets.
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%s
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Here are some hints for popular operating systems:
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If you are seeing this message on Linux you probably need to
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install GCC and/or the Python development package for your
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version of Python.
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Debian and Ubuntu users should issue the following command:
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$ sudo apt-get install build-essential python-dev
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RedHat and CentOS users should issue the following command:
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$ sudo yum install gcc python-devel
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Fedora users should issue the following command:
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$ sudo dnf install gcc python-devel
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MacOS users should run:
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$ xcode-select --install
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********************************************************************
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"""
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def run(self):
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try:
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build_ext.run(self)
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except Exception:
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e = sys.exc_info()[1]
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sys.stdout.write("%s\n" % str(e))
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warnings.warn(
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self.warning_message
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% (
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"Extension modules",
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"There was an issue with "
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"your platform configuration"
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" - see above.",
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)
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)
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def build_extension(self, ext):
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name = ext.name
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try:
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build_ext.build_extension(self, ext)
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except Exception:
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e = sys.exc_info()[1]
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sys.stdout.write("%s\n" % str(e))
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warnings.warn(
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self.warning_message
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% (
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"The %s extension " "module" % (name,),
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"The output above "
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"this warning shows how "
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"the compilation "
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"failed.",
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)
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)
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wheel = None
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kwargs = {}
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@ -129,22 +43,36 @@ if (
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# This extension builds and works on pypy as well, although pypy's jit
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# produces equivalent performance.
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kwargs["ext_modules"] = [
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Extension("tornado.speedups", sources=["tornado/speedups.c"])
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setuptools.Extension(
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"tornado.speedups",
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sources=["tornado/speedups.c"],
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# Unless the user has specified that the extension is mandatory,
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# fall back to the pure-python implementation on any build failure.
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optional=os.environ.get("TORNADO_EXTENSION") != "1",
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# Use the stable ABI so our wheels are compatible across python
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# versions.
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py_limited_api=True,
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define_macros=[("Py_LIMITED_API", "0x03070000")],
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)
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]
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if os.environ.get("TORNADO_EXTENSION") != "1":
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# Unless the user has specified that the extension is mandatory,
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# fall back to the pure-python implementation on any build failure.
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kwargs["cmdclass"] = {"build_ext": custom_build_ext}
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if wheel is not None:
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# From https://github.com/joerick/python-abi3-package-sample/blob/main/setup.py
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class bdist_wheel_abi3(wheel.bdist_wheel.bdist_wheel):
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def get_tag(self):
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python, abi, plat = super().get_tag()
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if python.startswith("cp"):
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return "cp37", "abi3", plat
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return python, abi, plat
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kwargs["cmdclass"] = {"bdist_wheel": bdist_wheel_abi3}
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if setuptools is not None:
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python_requires = ">= 3.7"
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kwargs["python_requires"] = python_requires
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setup(
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setuptools.setup(
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name="tornado",
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version=version,
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python_requires=">= 3.7",
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packages=["tornado", "tornado.test", "tornado.platform"],
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package_data={
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# data files need to be listed both here (which determines what gets
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