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ImportError: No module named MySQLdb
该错误是源于我们没有安装 Python 连接 MySQL 所需的 MySQLdb 库而引起。
有以下两种方法可以安装
1)、下载源码安装：
下载地址：http://sourceforge.net/projects/mysql-python/
2)、利用自带的源
Linux Fedora, CentOS 系统：yum install MySQL-python
Linux Ubuntu 操作系统：apt-get install python-mysqldb
同时，这里附近上 ubuntu14.04 的更新源，将以下内容复制进文件 /etc/apt/source.list 即可：
deb http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse
