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140 lines
4.4 KiB
140 lines
4.4 KiB
import os
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import posixpath
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import re
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import shutil
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import sys
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from distutils import sysconfig
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import setuptools
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from setuptools.command import build_ext
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HERE = os.path.dirname(os.path.abspath(__file__))
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IS_WINDOWS = sys.platform.startswith("win")
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def _get_version():
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"""Parse the version string from __init__.py."""
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with open(
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os.path.join(HERE, "bindings", "python", "google_benchmark", "__init__.py")
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) as init_file:
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try:
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version_line = next(
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line for line in init_file if line.startswith("__version__")
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)
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except StopIteration:
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raise ValueError("__version__ not defined in __init__.py")
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else:
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namespace = {}
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exec(version_line, namespace) # pylint: disable=exec-used
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return namespace["__version__"]
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def _parse_requirements(path):
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with open(os.path.join(HERE, path)) as requirements:
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return [
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line.rstrip()
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for line in requirements
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if not (line.isspace() or line.startswith("#"))
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]
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class BazelExtension(setuptools.Extension):
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"""A C/C++ extension that is defined as a Bazel BUILD target."""
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def __init__(self, name, bazel_target):
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self.bazel_target = bazel_target
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self.relpath, self.target_name = posixpath.relpath(bazel_target, "//").split(
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":"
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)
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setuptools.Extension.__init__(self, name, sources=[])
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class BuildBazelExtension(build_ext.build_ext):
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"""A command that runs Bazel to build a C/C++ extension."""
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def run(self):
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for ext in self.extensions:
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self.bazel_build(ext)
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build_ext.build_ext.run(self)
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def bazel_build(self, ext):
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"""Runs the bazel build to create the package."""
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with open("WORKSPACE", "r") as workspace:
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workspace_contents = workspace.read()
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with open("WORKSPACE", "w") as workspace:
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workspace.write(
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re.sub(
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r'(?<=path = ").*(?=", # May be overwritten by setup\.py\.)',
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sysconfig.get_python_inc().replace(os.path.sep, posixpath.sep),
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workspace_contents,
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)
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)
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if not os.path.exists(self.build_temp):
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os.makedirs(self.build_temp)
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bazel_argv = [
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"bazel",
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"build",
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ext.bazel_target,
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"--symlink_prefix=" + os.path.join(self.build_temp, "bazel-"),
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"--compilation_mode=" + ("dbg" if self.debug else "opt"),
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]
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if IS_WINDOWS:
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# Link with python*.lib.
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for library_dir in self.library_dirs:
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bazel_argv.append("--linkopt=/LIBPATH:" + library_dir)
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self.spawn(bazel_argv)
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shared_lib_suffix = '.dll' if IS_WINDOWS else '.so'
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ext_bazel_bin_path = os.path.join(
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self.build_temp, 'bazel-bin',
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ext.relpath, ext.target_name + shared_lib_suffix)
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ext_dest_path = self.get_ext_fullpath(ext.name)
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ext_dest_dir = os.path.dirname(ext_dest_path)
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if not os.path.exists(ext_dest_dir):
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os.makedirs(ext_dest_dir)
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shutil.copyfile(ext_bazel_bin_path, ext_dest_path)
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setuptools.setup(
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name="google_benchmark",
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version=_get_version(),
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url="https://github.com/google/benchmark",
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description="A library to benchmark code snippets.",
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author="Google",
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author_email="benchmark-py@google.com",
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# Contained modules and scripts.
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package_dir={"": "bindings/python"},
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packages=setuptools.find_packages("bindings/python"),
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install_requires=_parse_requirements("bindings/python/requirements.txt"),
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cmdclass=dict(build_ext=BuildBazelExtension),
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ext_modules=[
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BazelExtension(
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"google_benchmark._benchmark",
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"//bindings/python/google_benchmark:_benchmark",
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)
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],
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zip_safe=False,
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# PyPI package information.
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classifiers=[
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"Development Status :: 4 - Beta",
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"Intended Audience :: Developers",
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"Intended Audience :: Science/Research",
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"License :: OSI Approved :: Apache Software License",
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"Programming Language :: Python :: 3.6",
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"Programming Language :: Python :: 3.7",
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"Programming Language :: Python :: 3.8",
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"Topic :: Software Development :: Testing",
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"Topic :: System :: Benchmark",
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],
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license="Apache 2.0",
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keywords="benchmark",
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)
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