Python模块安装路径初探

在调用MySQL第三方工具mysqlrplsync是报错

mysqlrplsync --master=checksum:checksum@master_ip:3306 --slave=checksum:checksum@slave_ip:3306  --checksum-timeout=10 --verbose
Traceback (most recent call last):
  File "/usr/bin/mysqlrplsync", line 25, in <module>
    from mysql.utilities.common.tools import check_python_version
ImportError: No module named mysql.utilities.common.tools

mysqlrplsync工具是通过rpm安装的，查看Python版本及验证模块是否存在

# python --version
Python 2.7.9
# ll /usr/lib/python2.6/site-packages/mysql/utilities/common/tools.py
-rw-r--r-- 1 root root 21465 Aug  5  2015 /usr/lib/python2.6/site-packages/mysql/utilities/common/tools.py
# which python
/usr/local/bin/python
# /usr/local/bin/python --version
Python 2.7.9

以上验证系统中有两个版本的MySQL并存，并且Python2.6版本中的库下已存在所报的不存在的模块

查看Python2.7的库文件，没有发现

]# ll /usr/local/lib/python2.7/site-packages/mysql
ls: cannot access /usr/local/lib/python2.7/site-packages/mysql: No such file or directory

总结问题就是通过rpm安装的模块默认安装在了Python2.6版本的库下，通过pip才会安装在Python2.7下，目前Python2.7是默认的程序，所以才会报错

解决问题：

# cp -r /usr/lib/python2./site-packages/mysql /usr/local/lib/python2./