[root@edb~]$ pip3 install psycopg2 Defaulting to user installation because normal site-packages is not writeable Collecting psycopg2 Using cached psycopg2-2.9.3.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 ╰─> [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.
最后倒数第二句说的是包的问题，不是pip说明命令的问题python安装没案：
[root@edb~]$ pip3 install --upgrade setuptools [root@edb~]$ pip3 install psycopg2