python安装mysqldb
python环境已经安装好，版本为2.7.8，需要调用数据库，所以需要安装MysqlDB模块包下载地址：
安装过程：
[*]解压及安装
# tar -xf MySQL-python-1.2.3.tar.gz
#cd MySQL-python-1.2.3
#python setup.py build
#python setup.py install
2.错误解决
导入模块报错：
/usr/local/lib/python2.7/site-packages/MySQL_python-1.2.3-py2.7-linux-x86_64.egg/_mysql.py:3: UserWarning: Module _mysql was already imported from /usr/local/lib/python2.7/site-packages/MySQL_python-1.2.3-py2.7-linux-x86_64.egg/_mysql.pyc, but /soft/MySQL-python-1.2.3 is being added to sys.path
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "MySQLdb/__init__.py", line 19, in <module>
import _mysql
File "build/bdist.linux-x86_64/egg/_mysql.py", line 7, in <module>
File "build/bdist.linux-x86_64/egg/_mysql.py", line 6, in __bootstrap__
ImportError: libmysqlclient.so.18: cannot open shared object file: No such file or directory
创建动态库的链接：
ln -s /usr/local/mysql/lib/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.18
&
ln -s /usr/local/mysql/lib/libmysqlclient.so.18 /usr/lib64/libmysqlclient.so.18
重新导入：
/usr/lib/python2.4/site-packages/MySQL_python-1.2.3-py2.4-linux-i686.egg/_mysql.py:3: UserWarning: Module _mysql was already imported from /usr/lib/python2.4/site-packages/MySQL_python-1.2.3-py2.4-linux-i686.egg/_mysql.pyc, but /root/soft/MySQL-python-1.2.3 is being added to sys.path
离开当前目录，因为当前目录有相关模块
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