无法安装pynat|python setup.py egg_info did not run successfully|ModuleNotFoundError: No module named ‘six’

介绍

小白今天在尝试安装pynat时，发现死活装不上，提示错误如下：

pip3 install pynat
Collecting pynat
  Using cached pynat-0.7.0.tar.gz (7.1 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [8 lines of output]
      Traceback (most recent call last):
        File "", line 2, in 
        File "", line 34, in 
        File "/tmp/pip-install-_lv4k5xl/pynat_e96600971da4465e8548d0aa2868be02/setup.py", line 7, in 
          from pynat import __version__, url
        File "/tmp/pip-install-_lv4k5xl/pynat_e96600971da4465e8548d0aa2868be02/pynat.py", line 29, in 
          from six import text_type
      ModuleNotFoundError: No module named 'six'
      [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.

问题原因

根据错误信息，可以看到在安装pynat包时出现了错误，错误信息指出在运行setup.py时出现了问题，导致元数据无法生成。具体地，错误信息显示No module named ‘six’，这意味着在安装pynat时缺少了six模块。

解决方法

为了解决这个问题，你需要安装six模块。你可以尝试使用以下命令来安装six模块：

安装成功后，再尝试重新安装pynat包：

如果仍然出现问题，可以尝试使用--no-cache-dir选项重新运行安装命令，以确保从头开始下载安装文件：

如果问题仍然存在，你可以尝试在安装pynat之前升级pip本身：

最后，如果仍然无法解决问题，可以考虑向pynat包的开发者寻求帮助。