在mac 上安装psycopg2的方法:执行:pip3 install psycopg2-binary。
如果执行pip3 install psycopg2,无法安装psycopg2文章来源:https://www.toymoban.com/news/detail-720752.html
报错信息如下:文章来源地址https://www.toymoban.com/news/detail-720752.html
Collecting psycopg2
Using cached psycopg2-2.9.9.tar.gz (384 kB)
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error
× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [23 lines of output]
running egg_info
creating /private/var/folders/sn/4zg1p0495lq98d4qtk5qghw40000gn/T/pip-pip-egg-info-12j51cdv/psycopg2.egg-info
writing /private/var/folders/sn/4zg1p0495lq98d4qtk5qghw40000gn/T/pip-pip-egg-info-12j51cdv/psycopg2.egg-info/PKG-INFO
writing dependency_links to /private/var/folders/sn/4zg1p0495lq98d4qtk5qghw40000gn/T/pip-pip-egg-info-12j51cdv/psycopg2.egg-info/dependency_links.txt
writing top-level names to /private/var/folders/sn/4zg1p0495lq98d4qtk5qghw40000gn/T/pip-pip-egg-info-12j51cdv/psycopg2.egg-info/top_level.txt
writing manifest file '/private/var/folders/sn/4zg1p0495lq98d4qtk5qghw40000gn/T/pip-pip-egg-info-12j51cdv/psycopg2.egg-info/SOURCES.txt'
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.
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