我正在使用 virtualenv 处理 Django 项目并将其连接到本地 postgres 数据库。当我运行项目时说，

ImportError: No module named psycopg2.extensions

然后我用这个命令安装

pip install psycopg2

然后在安装过程中出现以下错误。

Downloading/unpacking psycopg2==2.4.4
  Downloading psycopg2-2.4.4.tar.gz (648kB): 648kB downloaded
  Running setup.py (path:/home/muhammadtaqi/Projects/MyProjects/OnlineElectionCampaign/venv/build/psycopg2/setup.py) egg_info for package psycopg2

    Error: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.

    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'

warning: manifest_maker: standard file '-c' not found



Error: You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.



----------------------------------------
Cleaning up...
Command python setup.py egg_info failed with error code 1 in /home/muhammadtaqi/Projects/MyProjects/OnlineElectionCampaign/venv/build/psycopg2
Storing debug log for failure in /home/muhammadtaqi/.pip/pip.log

最佳答案

使用以下这些命令，这将解决错误:

sudo apt-get install postgresql

然后开火:

sudo apt-get install python-psycopg2

最后:

sudo apt-get install libpq-dev

关于python - 您需要安装 postgresql-server-dev-X.Y 来构建服务器端扩展或 libpq-dev 来构建客户端应用程序，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/28253681/