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pip install psycopg2出现错误:

Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting psycopg2
 Using cached https://pypi.tuna.tsinghua.edu.cn/packages/84/d7/6a93c99b5ba4d4d22daa3928b983cec66df4536ca50b22ce5dcac65e4e71/psycopg2-2.8.4.tar.gz (377 kB)
 ERROR: Command errored out with exit status 1:
  command: /opt/AN/bin/python -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-lkf6b0y5/psycopg2/setup.py'"'"'; __file__='"'"'/tmp/pip-install-lkf6b0y5/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base /tmp/pip-install-lkf6b0y5/psycopg2/pip-egg-info
   cwd: /tmp/pip-install-lkf6b0y5/psycopg2/
 Complete output (23 lines):
 running egg_info
 creating /tmp/pip-install-lkf6b0y5/psycopg2/pip-egg-info/psycopg2.egg-info
 writing /tmp/pip-install-lkf6b0y5/psycopg2/pip-egg-info/psycopg2.egg-info/PKG-INFO
 writing dependency_links to /tmp/pip-install-lkf6b0y5/psycopg2/pip-egg-info/psycopg2.egg-info/dependency_links.txt
 writing top-level names to /tmp/pip-install-lkf6b0y5/psycopg2/pip-egg-info/psycopg2.egg-info/top_level.txt
 writing manifest file '/tmp/pip-install-lkf6b0y5/psycopg2/pip-egg-info/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
 <http://initd.org/psycopg/docs/install.html>).
 
 ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

解决方法:

yum install postgresql postgresql-devel python-devel python3-devel

补充知识:anaconda 通过pip 安装python psycopg2

1. 【不能在cmd里install】之前一直在 cmd 里conda install psycopg2 ,pip install psycopg2,虽然提示安装成功,但是import时还是会报错提示包不存在。

2. 【在prompt里pip】正确的安装方法是,安装完成 anaconda,进入anaconda prompt,输入命令即可

pip install psycopg2

解决pip install psycopg2出错问题

3. import psycopg2 未报错,安装成功。

以上这篇解决pip install psycopg2出错问题就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。

标签:
pip,install,psycopg2

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