Python 3.13无法安装pomegranate包 求解决方案

问题 #

尝试通过pip为Python 3.13安装pomegranate包失败，安装时输出如下错误信息：

Collecting pomegranate
  Downloading pomegranate-1.1.1-py3-none-any.whl.metadata (467 bytes)
Collecting numpy>=1.22.2 (from pomegranate)
  Downloading numpy-2.1.2-cp313-cp313-win_amd64.whl.metadata (59 kB)
Collecting scipy>=1.6.2 (from pomegranate)
  Downloading scipy-1.14.1-cp313-cp313-win_amd64.whl.metadata (60 kB)
Collecting scikit-learn>=1.0.2 (from pomegranate)
  Downloading scikit_learn-1.5.2-cp313-cp313-win_amd64.whl.metadata (13 kB)
INFO: pip is looking at multiple versions of pomegranate to determine which version is compatible with other requirements. This could take a while.
Collecting pomegranate
  Downloading pomegranate-1.1.0-py3-none-any.whl.metadata (467 bytes)
  Downloading pomegranate-1.0.4-py3-none-any.whl.metadata (467 bytes)
  Downloading pomegranate-1.0.3-py3-none-any.whl.metadata (479 bytes)
  Downloading pomegranate-1.0.2-py3-none-any.whl.metadata (479 bytes)
  Downloading pomegranate-1.0.0-py3-none-any.whl.metadata (479 bytes)
  Downloading pomegranate-0.15.0.tar.gz (5.9 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 5.9/5.9 MB 11.5 MB/s eta 0:00:00
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Preparing metadata (pyproject.toml) ... error
  error: subprocess-exited-with-error

  × Preparing metadata (pyproject.toml) did not run successfully.
  │ exit code: 3221225477
  ╰─> [23 lines of output]
      C:\Users\net15\AppData\Local\Temp\pip-build-env-kdrb5fma\overlay\Lib\site-packages\setuptools\_distutils\dist.py:261: UserWarning: Unknown distribution option: 'test_suite'       
        warnings.warn(msg)
      running dist_info
      creating C:\Users\net15\AppData\Local\Temp\pip-modern-metadata-sf6hlq8p\pomegranate.egg-info
      writing C:\Users\net15\AppData\Local\Temp\pip-modern-metadata-sf6hlq8p\pomegranate.egg-info\PKG-INFO
      writing dependency_links to C:\Users\net15\AppData\Local\Temp\pip-modern-metadata-sf6hlq8p\pomegranate.egg-info\dependency_links.txt
      writing requirements to C:\Users\net15\AppData\Local\Temp\pip-modern-metadata-sf6hlq8p\pomegranate.egg-info\requires.txt
      writing top-level names to C:\Users\net15\AppData\Local\Temp\pip-modern-metadata-sf6hlq8p\pomegranate.egg-info\top_level.txt
      writing manifest file 'C:\Users\net15\AppData\Local\Temp\pip-modern-metadata-sf6hlq8p\pomegranate.egg-info\SOURCES.txt'
      <frozen importlib._bootstrap>:488: Warning: Numpy built with MINGW-W64 on Windows 64 bits is experimental, and only available for
      testing. You are advised not to use it for production.

      CRASHES ARE TO BE EXPECTED - PLEASE REPORT THEM TO NUMPY DEVELOPERS
      C:\Users\net15\AppData\Local\Temp\pip-build-env-kdrb5fma\overlay\Lib\site-packages\numpy\core\getlimits.py:225: RuntimeWarning: invalid value encountered in exp2
        epsneg_f128 = exp2(ld(-113))
      C:\Users\net15\AppData\Local\Temp\pip-build-env-kdrb5fma\overlay\Lib\site-packages\numpy\core\getlimits.py:226: RuntimeWarning: invalid value encountered in exp2
        tiny_f128 = exp2(ld(-16382))
      C:\Users\net15\AppData\Local\Temp\pip-build-env-kdrb5fma\overlay\Lib\site-packages\numpy\core\getlimits.py:240: RuntimeWarning: invalid value encountered in exp2
        eps=exp2(ld(-112)),
      C:\Users\net15\AppData\Local\Temp\pip-build-env-kdrb5fma\overlay\Lib\site-packages\numpy\core\getlimits.py:41: RuntimeWarning: invalid value encountered in nextafter
        self._smallest_subnormal = nextafter(
      C:\Users\net15\AppData\Local\Temp\pip-build-env-kdrb5fma\overlay\Lib\site-packages\numpy\core\getlimits.py:52: RuntimeWarning: invalid value encountered in log10
        self.precision = int(-log10(self.eps))
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

已提前安装Cython，且通过.whl文件成功安装PyTorch。尝试安装VS C++ Build Tools时提示“A setup package is either missing or damaged”，需解决这一系列问题。

解决步骤 #

一、修复VS C++ Build Tools安装问题 #

• 打开控制面板，进入程序和功能，卸载所有与Visual Studio相关的组件（包括Build Tools）。
• 清理残留文件：删除C:\Program Files (x86)\Microsoft Visual Studio、C:\Program Files\Microsoft Visual Studio目录，以及%AppData%\Local\Microsoft\VisualStudio缓存文件夹。
• 下载最新版VS C++ Build Tools安装包，右键选择以管理员身份运行，安装时勾选*Desktop development with C++*工作负载，确保包含MSVC编译器、Windows SDK等核心组件。
• 安装完成后重启电脑，确保环境变量生效。

二、降级Python版本适配pomegranate #

pomegranate 0.15.0及更早版本对Python 3.13兼容性较差，建议降级到Python 3.10或3.11：

• 卸载当前Python 3.13，下载对应版本的Python安装包，勾选Add Python to PATH选项完成安装。
• （可选但推荐）重新创建虚拟环境：

  python -m venv pomegranate-env
  pomegranate-env\Scripts\activate
  

三、指定兼容依赖版本后安装pomegranate #

在激活的环境中，先安装兼容的numpy、scipy、scikit-learn版本，再安装pomegranate：

pip install numpy==1.26.4 scipy==1.10.1 scikit-learn==1.3.2
pip install pomegranate

四、尝试预编译whl文件安装 #

若上述方法仍失败，可使用第三方预编译的pomegranate whl文件：

• 确认Python版本和系统架构（如cp310-win_amd64），找到对应版本的whl文件。
• 用pip直接安装本地whl文件：

  pip install path/to/pomegranate-xxx-cp310-win_amd64.whl
  

内容的提问来源于stack exchange，提问作者lnxhm1