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首页 > 解决方案 > 当我尝试使用 pip install psycopg2 安装 psycopg2 时，出现此错误。我应该怎么办？

python - 当我尝试使用 pip install psycopg2 安装 psycopg2 时，出现此错误。我应该怎么办？

问题描述

''' pip install psycopg2 使用缓存的 psycopg2-2.8.5.tar.gz (380 kB) 收集 psycopg2 错误：命令出错，退出状态为 1：命令：/opt/anaconda3/bin/python -c 'import sys，setuptools , 标记化; sys.argv[0] = '"'"'/private/var/folders/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-install-d7jzvy68/psycopg2/setup.py'"'"'; 文件='"'"'/private/var/folders/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-install-d7jzvy68/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open' "'"', open)( file );code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"'); f.close();, '"'"'exec'"'"'))' egg_info --egg-base /private/var/folders/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-pip-egg-info-6sv6r8te cwd: /private/var/文件夹/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-install-d7jzvy68/psycopg2/ 完整输出（23 行）：运行 egg_info 创建 /private/var/folders/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-pip-psg-info-6sv6r8 .egg-info 写入 /private/var/folders/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-pip-egg-info-6sv6r8te/psycopg2.egg-info/PKG-INFO 将dependency_links写入/private/var/folders/v8/vk9679rj7m7f03_0hztz3rc8000 /T/pip-pip-egg-info-6sv6r8te/psycopg2.egg-info/dependency_links.txt 将顶级名称写入 /private/var/folders/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-pip-egg-info-6sv6r8te /psycopg2.egg-info/top_level。txt 写入清单文件'/private/var/folders/v8/vk9679rj7m7f03_0hztz3rc80000gn/T/pip-pip-egg-info-6sv6r8te/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>).

----------------------------------------

错误：命令出错，退出状态为 1：python setup.py egg_info 检查日志以获取完整的命令输出。'''

标签： pythonflask-sqlalchemypsycopg2

解决方案

您可以安装预编译的二进制文件。请参阅此答案以获取更多信息。

pip install psycopg2-binary

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