Python获取Windows或Linux主机名称通用函数分享

通过python的os模块获取windows或者linux主机名的通用函数。

#!/usr/bin/env python 
#coding=utf-8 
 
import os 
 
def hostname(): 
        sys = os.name 
 
        if sys == 'nt': 
                hostname = os.getenv('computername') 
                return hostname 
 
        elif sys == 'posix': 
                host = os.popen('echo $hostname') 
                try: 
                        hostname = host.read() 
                        return hostname 
                finally: 
                        host.close() 
        else: 
                return 'unkwon hostname'