ubuntu 20+ 安装psycopg2异常

 

pip install psycopg2==2.8.6

root@hmm-ELK:/mnt# pip install psycopg2==2.8.6
Collecting psycopg2==2.8.6
  Downloading psycopg2-2.8.6.tar.gz (383 kB)
     |████████████████████████████████| 383 kB 11 kB/s 
    ERROR: Command errored out with exit status 1:
     command: /usr/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-gefmyxjj/psycopg2/setup.py'"'"'; __file__='"'"'/tmp/pip-install-gefmyxjj/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-gefmyxjj/psycopg2/pip-egg-info
         cwd: /tmp/pip-install-gefmyxjj/psycopg2/
    Complete output (23 lines):
    running egg_info
    creating /tmp/pip-install-gefmyxjj/psycopg2/pip-egg-info/psycopg2.egg-info
    writing /tmp/pip-install-gefmyxjj/psycopg2/pip-egg-info/psycopg2.egg-info/PKG-INFO
    writing dependency_links to /tmp/pip-install-gefmyxjj/psycopg2/pip-egg-info/psycopg2.egg-info/dependency_links.txt
    writing top-level names to /tmp/pip-install-gefmyxjj/psycopg2/pip-egg-info/psycopg2.egg-info/top_level.txt
    writing manifest file '/tmp/pip-install-gefmyxjj/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
    <https://www.psycopg.org/docs/install.html>).
    
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

需要安装 libpq-dev

apt install libpq-dev

root@hmm-ELK:/mnt# apt install libpq-dev
正在读取软件包列表... 完成
正在分析软件包的依赖关系树       
正在读取状态信息... 完成       
将会同时安装下列软件：
  libpq5
建议安装：
  postgresql-doc-12
下列【新】软件包将被安装：
  libpq-dev libpq5
升级了 0 个软件包，新安装了 2 个软件包，要卸载 0 个软件包，有 127 个软件包未被升级。
需要下载 254 kB 的归档。
解压缩后会消耗 1,009 kB 的额外空间。
您希望继续执行吗？ [Y/n] y
获取:1 http://mirrors.aliyun.com/ubuntu focal-updates/main amd64 libpq5 amd64 12.19-0ubuntu0.20.04.1 [116 kB]
获取:2 http://mirrors.aliyun.com/ubuntu focal-updates/main amd64 libpq-dev amd64 12.19-0ubuntu0.20.04.1 [137 kB]
已下载 254 kB，耗时 1秒 (206 kB/s)
正在选中未选择的软件包 libpq5:amd64。
(正在读取数据库 ... 系统当前共安装有 318013 个文件和目录。)
准备解压 .../libpq5_12.19-0ubuntu0.20.04.1_amd64.deb  ...
正在解压 libpq5:amd64 (12.19-0ubuntu0.20.04.1) ...
正在选中未选择的软件包 libpq-dev。
准备解压 .../libpq-dev_12.19-0ubuntu0.20.04.1_amd64.deb  ...
正在解压 libpq-dev (12.19-0ubuntu0.20.04.1) ...
正在设置 libpq5:amd64 (12.19-0ubuntu0.20.04.1) ...
正在设置 libpq-dev (12.19-0ubuntu0.20.04.1) ...
正在处理用于 libc-bin (2.31-0ubuntu9.16) 的触发器 ...
正在处理用于 man-db (2.9.1-1) 的触发器 ...

安装：

pip install psycopg2==2.8.6

root@hmm-ELK:/mnt# pip install psycopg2==2.8.6
Collecting psycopg2==2.8.6
  Using cached psycopg2-2.8.6.tar.gz (383 kB)
Building wheels for collected packages: psycopg2
  Building wheel for psycopg2 (setup.py) ... -
\
done
  Created wheel for psycopg2: filename=psycopg2-2.8.6-cp38-cp38-linux_x86_64.whl size=505069 sha256=c06251bb215c7b811c1b0d1e4b6f76ae0ff9343e7298d8a9d31c1d9c18acef94
  Stored in directory: /root/.cache/pip/wheels/70/5e/69/8a020d78c09043156a7df0b64529e460fbd922ca065c4b795c
Successfully built psycopg2


Installing collected packages: psycopg2
Successfully installed psycopg2-2.8.6