您需要安裝 postgresql-server-dev-XY 以構建服務器端擴展或安裝 libpq-dev 以構建客戶端應用程序

問題:

I am working on Django project with virtualenv and connect it to local postgres database.我正在使用 virtualenv 處理 Django 項目並將其連接到本地 postgres 數據庫。 when i run the project is says,當我運行該項目時說,

ImportError: No module named psycopg2.extensions

then i used this command to install然後我用這個命令來安裝

pip install psycopg2

then during the installation it gives following error.然後在安裝過程中它會出現以下錯誤。

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

解決方案:

參考一: https://en.stackoom.com/question/1uY4X
參考二: https://stackoom.com/question/1uY4X
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