python 判断操作系统以及操作系统版本号

#!/usr/bin/python3
# coding=gbk
import platform

if __name__ == '__main__':
    plat_tuple=platform.architecture()
    system=platform.system()
    plat_version=platform.platform()
    if system == 'Windows':
        log.info('this is windows system')
        log.info('version is: '+plat_version)
    elif system == 'Linux':
        log.info('this is linux system ')
        log.info('version is: '+plat_version)

　for windows :

C:\Python37\python.exe C:/Users/Administrator/PycharmProjects/checkTest/src/subprocess_popen.py
[INFO]2019-05-19 19:34:28 Sun --app-- subprocess_popen.py>><module> function ::at line 42 :
this is windows system
[INFO]2019-05-19 19:34:28 Sun --app-- subprocess_popen.py>><module> function ::at line 43 :
version is: Windows-7-6.1.7601-SP1

　for linux 

[root@hostuser src]# python3 subprocess_popen.py
[INFO]2019-05-19 19:31:39 Sun --app-- subprocess_popen.py:
this is linux system
[INFO]2019-05-19 19:31:39 Sun --app-- subprocess_popen.py:
version is: Linux-3.10.0-957.10.1.el7.x86_64-x86_64-with-centos-7.6.1810-Core