import socket
import commands
def get_ip():
        hostname = socket.gethostname()
        #print(hostname)
        hostip = "127.0.0.1"
        try:
                hostip = socket.gethostbyname(hostname)   # 這個在linux 無法執行， 會走下面的cmd 來獲取ip ， 但是在windows上這個命令執行，可以獲取地址
                #print(hostip)
                
 
return hostip
        except Exception,ex:      # 這個ex 在windows 上會報錯
                print(ex)
        if "127.0.0.1" in hostip or not hostip:
                try:
                        cmd = "ifconfig|grep -v '127.0.0.1'|awk '{print $2}'|grep -oP '(\d+.\d+.\d+.\d+)'|head -1"
                        (status,output) 
 
= commands.getstatusoutput(cmd)
                except Exception,ex:
                        print(ex)
                        return hostip
                if output and ' ' not in output:
                        local_ip = output
                        return local_ip
        return hostip
hostip 
 
= get_ip()
print(hostip)