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python - 没有名为 'Cython' 的模块与 tar.gz 的 pip 安装

转载 作者:行者123 更新时间:2023-12-03 14:44:43 26 4
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我使用 Poetry 为我的示例包 ( https://github.com/iamishalkin/cyrtd ) 构建 tar.gz 和 whl 文件,然后尝试在 pipenv 环境中安装包。 tar.gz 安装失败,这是一段日志:

$ poetry build
...
$ pip install dist/cyrtd-0.1.0.tar.gz
Processing c:\work2\cyrtd\dist\cyrtd-0.1.0.tar.gz
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... done
Requirement already satisfied: cython<0.30.0,>=0.29.13 in c:\users\ivan.mishalkin\.virtualenvs\cyrtd-tpdvsw8x\lib\site-packages (from cyrtd==0.1.0) (0.29.15)
Building wheels for collected packages: cyrtd
Building wheel for cyrtd (PEP 517) ... error
ERROR: Command errored out with exit status 1:
...
from Cython.Build import cythonize
ModuleNotFoundError: No module named 'Cython'
----------------------------------------
ERROR: Failed building wheel for dxpyfeed
Failed to build dxpyfeed
ERROR: Could not build wheels for dxpyfeed which use PEP 517 and cannot be installed directly

Cython 已安装并可从虚拟解释器调用。即使在日志中写入,也满足了对 cython 的要求。
奇怪的是——几个月前一切正常。我还尝试了 conda venv,升级了 cython 和诗歌,没有任何帮助。
还尝试了来自 setup_requires with Cython? 的弱相关解决方法- 仍然没有运气

更新 :我在这里找到了一些肮脏的解决方法: https://luminousmen.com/post/resolve-cython-and-numpy-dependencies

这个想法是添加
from setuptools import dist
dist.Distribution().fetch_build_eggs(['cython'])

在 Cython.Build 导入之前

在此之后,我得到这些日志:
$ pip install dist/cyrtd-0.1.0.tar.gz
Processing c:\work2\cyrtd\dist\cyrtd-0.1.0.tar.gz
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... done
Requirement already satisfied: cython<0.30.0,>=0.29.13 in c:\users\ivan.mishalkin\.virtualenvs\cyrtd-tpdvsw8x\lib\site-packages (from cyrtd==0.1.0) (0.29.15)
Building wheels for collected packages: cyrtd
Building wheel for cyrtd (PEP 517) ... done
Created wheel for cyrtd: filename=cyrtd-0.1.0-cp37-cp37m-win_amd64.whl size=33062 sha256=370a90657759d3183f3c11ebbdf1d23c3ca857d41dd45a86386ba33a6baf9a07
Stored in directory: c:\users\ivan.mishalkin\appdata\local\pip\cache\wheels\45\d1\6b\52daecf1cc5234ca4d9e9e49b2f195e7adb83941424116432e
Successfully built cyrtd
Installing collected packages: cyrtd
Attempting uninstall: cyrtd
Found existing installation: cyrtd 0.1.0
Uninstalling cyrtd-0.1.0:
Successfully uninstalled cyrtd-0.1.0
Successfully installed cyrtd-0.1.0

仍在寻找更好的解决方案

UPD2:
主要文件内容:
构建.py:
from setuptools import Extension
from Cython.Build import cythonize

cyfuncs_ext = Extension(name='cyrtd.cymod.cyfuncs',
sources=['cyrtd/cymod/cyfuncs.pyx']
)

EXTENSIONS = [
cyfuncs_ext
]

def build(setup_kwargs):
setup_kwargs.update({
'ext_modules': cythonize(EXTENSIONS, language_level=3),
'zip_safe': False,
'setup_requires':['setuptools>=18.0', 'cython']
})

最佳答案

pyproject.toml 的构建系统部分添加 cython帮助过我
pyproject.toml :

...
[build-system]
requires = ["poetry>=0.12", "cython"]
...

关于python - 没有名为 'Cython' 的模块与 tar.gz 的 pip 安装,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/60226033/

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