我有一个依赖包hdbscan
,它是从源代码编译的,需要一个Cython
现在,依赖项是通过poyment来管理的,在编译hdbscan
时,它似乎使用了一个专用的virtualenv,其中没有Cython可用
The following additional packages will be installed:
dh-python libpython3-dev libpython3.7 libpython3.7-dev python3-dev
python3.7-dev
Suggested packages:
cython-doc
The following NEW packages will be installed:
cython3 dh-python libpython3-dev libpython3.7 libpython3.7-dev python3-dev
python3.7-dev
0 upgraded, 7 newly installed, 0 to remove and 8 not upgraded.
Need to get 51.9 MB of archives.
After this operation, 96.1 MB of additional disk space will be used.
Get:1 http://deb.debian.org/debian buster/main amd64 cython3 amd64 0.29.2-2 [1392 kB]
Get:2 http://deb.debian.org/debian buster/main amd64 dh-python all 3.20190308 [99.3 kB]
Get:3 http://deb.debian.org/debian buster/main amd64 libpython3.7 amd64 3.7.3-2+deb10u2 [1498 kB]
Get:4 http://deb.debian.org/debian buster/main amd64 libpython3.7-dev amd64 3.7.3-2+deb10u2 [48.4 MB]
Get:5 http://deb.debian.org/debian buster/main amd64 libpython3-dev amd64 3.7.3-1 [20.1 kB]
Get:6 http://deb.debian.org/debian buster/main amd64 python3.7-dev amd64 3.7.3-2+deb10u2 [510 kB]
Get:7 http://deb.debian.org/debian buster/main amd64 python3-dev amd64 3.7.3-1 [1264 B]
debconf: delaying package configuration, since apt-utils is not installed
Fetched 51.9 MB in 3s (18.8 MB/s)
.......
Installing dependencies from lock file
PackageInfoError
Unable to determine package info for path: /opt/teamcity-agent/temp/buildTmp/pypoetry-git-hdbscank82kqn8_
Fallback egg_info generation failed.
Command ['/opt/teamcity-agent/temp/buildTmp/tmpov_cp376/.venv/bin/python', 'setup.py', 'egg_info'] errored with the following return code 1, and output:
setup.py:8: UserWarning: No module named 'Cython'
warnings.warn(e.args[0])
setup.py:92: UserWarning: Due to incompatibilities with Python 3.7 hdbscan nowrequires Cython to be installed in order to build it
warnings.warn('Due to incompatibilities with Python 3.7 hdbscan now'
Traceback (most recent call last):
File "setup.py", line 94, in <module>
raise ImportError('Cython not found! Please install cython and try again')
ImportError: Cython not found! Please install cython and try again
at /opt/venv/lib/python3.7/site-packages/poetry/inspection/info.py:503 in _pep517_metadata
499│ venv.run("python", "setup.py", "egg_info")
500│ return cls.from_metadata(path)
501│ except EnvCommandError as fbe:
502│ raise PackageInfoError(
→ 503│ path, "Fallback egg_info generation failed.", fbe
504│ )
505│ finally:
506│ os.chdir(cwd.as_posix())
507│
Process exited with code 1
在^{
我在{
我通读了一些SO问题,并尝试添加
[build-system]
requires = ["poetry>=1.0.9", "Cython"]
对于我的pyproject.toml文件,它没有效果(可能只有在构建config中定义的包时才重要)
唯一有效的方法是在同一个VirtualNV或系统全局中的pip中安装cython
和hdbscan
,但这听起来不合理
事实证明,这与我在https://github.com/python-poetry/poetry/issues/3744中描述的问题相同
我们使用一个私有的pypi镜像,没有显式设置
poetry无法在build virualenv中安装Cython,即使存在系统范围的Cython
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