报错： error: subprocess-exited-with-error

报错说明

在cmd下载BeautifulSoup的时候，输入以下命令：

pip install BeautifulSoup
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出现以下报错：

 error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [7 lines of output]
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "C:\Users\Administrator\AppData\Local\Temp\pip-install-pgs6hik1\beautifulsoup_06fde544331044f484b06f853e2c9761\setup.py", line 3
          "You're trying to run a very old release of Beautiful Soup under Python 3. This will not work."<>"Please use Beautiful Soup 4, available through the pip package 'beautifulsoup4'."
                                                                                                          ^
      SyntaxError: invalid syntax
      [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.

C:\Users\Administrator\AppData\Local\Programs\Python\Python38>
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报错翻译

错误：子进程退出，出现错误
×python setup.py egg_info未成功运行。
│ 退出代码：1
╰─> [7行输出]
回溯（最近一次调用）：
文件“＜string＞”，第2行，在＜module＞中
文件“＜pip setuptools caller＞”，第34行，在＜module＞中
文件“C:\Users\Administrator\AppData\Local\Temp\pip-install-pgs6hik1\beautuloup_06fde544331044f484b06f853e2c9761\setup.py”，第3行
“您正在尝试在Python 3下运行一个非常旧的Beautiful Soup版本。这行不通。“<>”请使用Beautiful Soup 4，可通过pip包“Beautiful oup4”获得。"
^
语法错误：无效语法
[输出结束]
注意：此错误源自子流程，可能不是pip的问题。
错误：元数据生成失败
×生成包元数据时遇到错误。
╰─> 输出见上文。
注意：这是上面提到的包的问题，而不是pip。
提示：详见上文。
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猜测原因

版本不兼容

BeautifulSoup目前适用版本是4.x，前面的版本已停止开发

解决方法

1. 网上查到的，卸载setuptools，重新安装，别的文章有提到，不再赘述
2. 下载适应版本的第三方库

 pip install BeautifulSoup4
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结果

Collecting beautifulsoup4 
  Downloading beautifulsoup4-4.11.1-py3-none-any.whl (128 kB)
     ---------------------------------------- 128.2/128.2 kB 137.1 kB/s eta 0:00:00
Collecting soupsieve>1.2
  Downloading soupsieve-2.3.2.post1-py3-none-any.whl (37 kB)
Installing collected packages: soupsieve, beautifulsoup4
Successfully installed beautifulsoup4-4.11.1 soupsieve-2.3.2.post1
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