Python安装插件出现Can not execute setup.py since setuptools is not available的错误解决

Posted by Steven on 2022-03-26
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通常在安装依赖包的时候，会出现这种情况：

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[root@scrna-web-01-0001 oe]# pip3 install mysqlclient==2.1.0
Collecting mysqlclient==2.1.0
  Using cached mysqlclient-2.1.0.tar.gz (87 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [1 lines of output]
      ERROR: Can not execute `setup.py` since setuptools is not available in the build environment.
      [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.
[root@scrna-web-01-0001 oe]#

这种一般都是setuptools版本的问题，将setuptools的版本更新的最新：

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[root@scrna-web-01-0001 oe]# pip3 install --upgrade setuptools
Requirement already satisfied: setuptools in /usr/local/python3/lib/python3.8/site-packages (41.2.0)
Collecting setuptools
  Downloading setuptools-61.1.0-py3-none-any.whl (1.1 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.1/1.1 MB 9.2 kB/s eta 0:00:00
Installing collected packages: setuptools
  Attempting uninstall: setuptools
    Found existing installation: setuptools 41.2.0
    Uninstalling setuptools-41.2.0:
      Successfully uninstalled setuptools-41.2.0
Successfully installed setuptools-61.1.0
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv


再次尝试更新：

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[root@scrna-web-01-0001 oe]# pip3 install mysqlclient==2.1.0
Collecting mysqlclient==2.1.0
  Using cached mysqlclient-2.1.0.tar.gz (87 kB)
  Preparing metadata (setup.py) ... done
Using legacy 'setup.py install' for mysqlclient, since package 'wheel' is not installed.
Installing collected packages: mysqlclient
  Running setup.py install for mysqlclient ... done
Successfully installed mysqlclient-2.1.0
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
[root@scrna-web-01-0001 oe]#

bingo~

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