mac 安装时候报错。

[ning1022]

Collecting psycopg2==2.6.2 (from -r requirements.txt (line 8))
  Using cached psycopg2-2.6.2.tar.gz
    Complete output from command python setup.py egg_info:
    running egg_info
    creating pip-egg-info/psycopg2.egg-info
    writing pip-egg-info/psycopg2.egg-info/PKG-INFO
    writing top-level names to pip-egg-info/psycopg2.egg-info/top_level.txt
    writing dependency_links to pip-egg-info/psycopg2.egg-info/dependency_links.txt
    writing manifest file 'pip-egg-info/psycopg2.egg-info/SOURCES.txt'
    Error: pg_config executable not found.

    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'.

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/1k/_yh_dpzn721401tdqztp_qb40000gn/T/pip-build-aBbk2v/psycopg2/

怎么解决呢？

[the-c0d3r]

You have to use sudo to install. That is permission error.

[moonD4rk]

安装最新版本的 psycopg2 即可。

将 requirments.txt 中的 psycopg2==2.6.2 改为 psycopg2

然后执行 pip install -r requirements.txt 即可。