[英]couldn't install psycopg2 for a FastAPI project on macOs 10.13.6 : python setup.py egg_info did not run successfully
I tried to install psycopg2 with the command line :我尝试使用命令行安装psycopg2 :
pip install psycopg2
and this is what I get这就是我得到的
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]
/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/setuptools/config/setupcfg.py:463: SetuptoolsDeprecationWarning: The license_file parameter is deprecated, use license_files instead.
warnings.warn(msg, warning_class)
running egg_info
creating /private/var/folders/lx/rssnrrbj15jcz8pj88rr89f00000gn/T/pip-pip-egg-info-lpapm88u/psycopg2.egg-info
writing /private/var/folders/lx/rssnrrbj15jcz8pj88rr89f00000gn/T/pip-pip-egg-info-lpapm88u/psycopg2.egg-info/PKG-INFO
writing dependency_links to /private/var/folders/lx/rssnrrbj15jcz8pj88rr89f00000gn/T/pip-pip-egg-info-lpapm88u/psycopg2.egg-info/dependency_links.txt
writing top-level names to /private/var/folders/lx/rssnrrbj15jcz8pj88rr89f00000gn/T/pip-pip-egg-info-lpapm88u/psycopg2.egg-info/top_level.txt
writing manifest file '/private/var/folders/lx/rssnrrbj15jcz8pj88rr89f00000gn/T/pip-pip-egg-info-lpapm88u/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 $PATH or specify the full executable path with the
option:
python setup.py build_ext --pg-config /path/to/pg_config build ...
or with the pg_config option in 'setup.cfg'.
If you prefer to avoid building psycopg2 from source, please install the PyPI
'psycopg2-binary' package instead.
For further information please check the 'doc/src/install.rst' file (also at
<https://www.psycopg.org/docs/install.html>).
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
then I tried to download the package from the official web site and put in the PATH:然后我尝试从官方网站下载包并放入PATH:
/Users/t/PycharmProjects/API/venv/lib/python3.10/site-packages
(Im using a virtual environement) but I get No module named 'psycopg2' /Users/t/PycharmProjects/API/venv/lib/python3.10/site-packages
(我使用虚拟环境),但我得到No module named 'psycopg2'
After reading some similar questions on Stackoverflow here is the solution that worked for me.在阅读了有关 Stackoverflow 的一些类似问题后,这里是对我有用的解决方案。
First, install Homebrew in case you don't already have it installed首先,安装Homebrew ,以防您尚未安装它
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
then install postgresql :然后安装 postgresql :
brew install postgresql
finally use the pip command to install psycpg2 :最后使用 pip 命令安装 psycpg2 :
pip install psycopg2
sudo apt-get install libpq-dev
这对我有帮助
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