Collecting psycopg2==2.9.2 Using cached https://pypi.tuna.tsinghua.edu.cn/packages/33/ed/79434011d

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最新推荐文章于 2024-11-28 00:39:51 发布

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在尝试通过pip安装psycopg2版本2.9.2时遇到错误，问题在于系统无法找到pg_config可执行文件，这是构建psycopg2库所需的。解决方案包括将包含pg_config的目录添加到PATH环境变量，或者通过提供pg_config的完整路径来运行安装命令。也可以选择安装预编译的psycopg2-binary包来避免从源代码构建。

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Collecting psycopg2==2.9.2
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/33/ed/79434011d773e5ea4c51262f6ebfb86680c2908d7677f31ebccd5aa9f1b3/psycopg2-2.9.2.tar.gz (380 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [25 lines of output]
      running egg_info
      creating /tmp/pip-pip-egg-info-3h7lv2h3/psycopg2.egg-info
      writing /tmp/pip-pip-egg-info-3h7lv2h3/psycopg2.egg-info/PKG-INFO
      writing dependency_links to /tmp/pip-pip-egg-info-3h7lv2h3/psycopg2.egg-info/dependency_links.txt
      writing top-level names to /tmp/pip-pip-egg-info-3h7lv2h3/psycopg2.egg-info/top_level.txt
      writing manifest file '/tmp/pip-pip-egg-info-3h7lv2h3/psycopg2.egg-info/SOURCES.txt'
      /home/zhongke/anaconda3/envs/python3712/lib/python3.7/site-packages/setuptools/config/setupcfg.py:463: SetuptoolsDeprecationWarning: The license_file parameter is deprecated, use license_files instead.
        warnings.warn(msg, warning_class)
      
      Error: pg_config executable not found.
      
      pg_config is required to build psycopg2 from source.  Please add the directory
      containing pg_config to the $PATH or specify the full executable path with the
      option:
      
          python setup.py build_ext --pg-config /path/to/pg_config build ...
      
      or with the pg_config option in 'setup.cfg'.
      
      If you prefer to avoid building psycopg2 from source, please install the PyPI
      'psycopg2-binary' package instead.
      
      For further information please check the 'doc/src/install.rst' file (also at
      <https://www.psycopg.org/docs/install.html>).
      
      [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.

指定安装版本，当前版本不符合：

如 pip3 install psycopg2==2.7.6