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我正在学习python套接字。但是，由于我在代理后面，我无法从不在本地网络（如互联网网站）上的地址解析主机名的 IP。我该怎么做呢 ？这是我的代码：

import socket   #for sockets
import sys  #for exit

try:
    #create an AF_INET, STREAM socket (TCP)
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
except socket.error, msg:
    print 'Failed to create socket. Error code: ' + str(msg[0]) + ' , Error message : ' + msg[1]
    sys.exit();

print 'Socket Created'

host = 'www.google.com'
port = 80

try:
    remote_ip = socket.gethostbyname( host )

except socket.gaierror:
    #could not resolve
    print 'Hostname could not be resolved. Exiting'
    sys.exit()

print 'Ip address of ' + host + ' is ' + remote_ip

#Connect to remote server
s.connect((remote_ip , port))

print 'Socket Connected to ' + host + ' on ip ' + remote_ip
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