enscons包似乎是为了完成问题所需而设计的。使用它构建带有C扩展的软件包的示例在
这里。您可以拥有一个基本的软件包结构,如下所示:
pkgroot/
pyproject.toml
setup.py
SConstruct
README.md
pkgname/
__init__.py
pkgname.py
cfile.c
在这个例子中,pyproject.toml
文件可能如下所示:
[build-system]
requires = ["enscons"]
[tool.enscons]
name = "pkgname"
description = "My nice packahe"
version = "0.0.1"
author = "Me"
author_email = "me@me.com"
keywords = ["spam"]
url = "https://github.com/me/pkgname"
src_root = ""
packages = ["pkgname"]
在[tool.enscons]
部分中,包含了许多熟悉的setuptools/distutils setup
函数的内容。从这里复制,setup.py
函数可能包含以下内容:
import sys, subprocess, os.path
sys.path[0:0] = ['setup-requires']
try:
import enscons.setup
except ImportError:
requires = ["enscons"]
subprocess.check_call([sys.executable, "-m", "pip", "install",
"-t", "setup-requires"] + requires)
del sys.path_importer_cache['setup-requires']
import enscons.setup
enscons.setup.setup()
最后,
SConstruct
文件可能如下所示:
import sys, os
import pytoml as toml
import enscons, enscons.cpyext
metadata = dict(toml.load(open('pyproject.toml')))['tool']['enscons']
import wheel.pep425tags
full_tag = next(tag for tag in wheel.pep425tags.get_supported() if not 'manylinux' in tag)
env = Environment(tools=['default', 'packaging', enscons.generate, enscons.cpyext.generate],
PACKAGE_METADATA=metadata,
WHEEL_TAG=full_tag)
ext_filename = os.path.join('pkgname', 'libcfile')
extension = env.SharedLibrary(target=ext_filename,
source=['pkgname/cfile.c'])
py_source = Glob('pkgname/*.py')
platlib = env.Whl('platlib', py_source + extension, root='')
whl = env.WhlFile(source=platlib)
sdist_source=list(set(FindSourceFiles() +
['PKG-INFO', 'setup.py'] +
Glob('pkgname/*', exclude=['pkgname/*.os'])))
sdist = env.SDist(source=sdist_source)
env.Alias('sdist', sdist)
install = env.Command("#DUMMY", whl,
' '.join([sys.executable, '-m', 'pip', 'install', '--no-deps', '$SOURCE']))
env.Alias('install', install)
env.AlwaysBuild(install)
env.Default(whl, sdist)
完成这些步骤后,您应该能够运行。
sudo python setup.py install
编译C扩展并构建wheel,然后安装python包;或者
python setup.py sdist
构建源代码分发。
我认为你可以在SConstruct
文件中基本上做任何你能用SCons做的事情。