尝试在Python3中使用代理时出错

我试图访问一个url，每次使用不同的代理，从一个文件，直到所有代理都被使用。获取错误：

socket.gaierror: [Errno 11004] getaddrinfo failed
urllib.error.URLError: <urlopen error [Errno 11004] getaddrinfo failed>

获取以下输出：

Traceback (most recent call last):
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 1318, in do_open
    encode_chunked=req.has_header('Transfer-encoding'))
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1026, in _send_output
    self.send(msg)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 964, in send
    self.connect()
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 936, in connect
    (self.host,self.port), self.timeout, self.source_address)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\socket.py", line 704, in create_connection
    for res in getaddrinfo(host, port, 0, SOCK_STREAM):
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\socket.py", line 743, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 11004] getaddrinfo failed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "p3.py", line 12, in <module>
    urllib.request.urlretrieve('http://www.google.com')
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 248, in urlretrieve
    with contextlib.closing(urlopen(url, data)) as fp:
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 223, in urlopen
    return opener.open(url, data, timeout)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 526, in open
    response = self._open(req, data)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 544, in _open
    '_open', req)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 504, in _call_chain
    result = func(*args)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 1346, in http_open
    return self.do_open(http.client.HTTPConnection, req)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 1320, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [Errno 11004] getaddrinfo failed>

回溯（最近一次呼叫最后一次）：
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，第1318行，打开
encode_chunked=req.has_头（'Transfer-encoding'））
请求中第1239行的文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\http\client.py”
self.\u发送\u请求（方法、url、正文、标题、编码\u分块）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\http\client.py”，第1285行，在发送请求中
self.endheaders（body，encode\u chunked=encode\u chunked）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\http\client.py”，第1234行，在endheaders中
self.\u发送\u输出（消息体，encode\u chunked=encode\u chunked）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\http\client.py”，第1026行，在发送输出中
self.send（msg）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\http\client.py”，第964行，在send中
self.connect（）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\http\client.py”，第936行，在connect中
（self.host、self.port）、self.timeout、self.source\u地址）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\socket.py”，第704行，在create\u connection中
对于getaddrinfo（主机、端口、0、SOCK_流）中的res：
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\socket.py”，第743行，位于getaddrinfo中
对于_socket.getaddrinfo（主机、端口、系列、类型、协议、标志）中的res：
socket.gaierror:[Errno 11004]getaddrinfo失败
在处理上述异常期间，发生了另一个异常：
回溯（最近一次呼叫最后一次）：
文件“p3.py”，第12行，在
urllib.request.urlretrieve（'http://www.google.com')
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，urlretrieve中的第248行
使用contextlib.closing（urlopen（url，data））作为fp:
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，urlopen中的第223行
返回opener.open（url、数据、超时）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，第526行，处于打开状态
响应=自身打开（请求，数据）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，第544行，处于打开状态
"开放",
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，第504行，在调用链中
结果=func（*args）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，第1346行，在http\u open中
返回self.do_open（http.client.HTTPConnection，req）
文件“C:\Users\user\AppData\Local\Programs\Python36-32\lib\urllib\request.py”，第1320行，打开
引发URL错误（err）
urllib.error.urleror：

Traceback (most recent call last):
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 1318, in do_open
    encode_chunked=req.has_header('Transfer-encoding'))
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 1026, in _send_output
    self.send(msg)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 964, in send
    self.connect()
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\http\client.py", line 936, in connect
    (self.host,self.port), self.timeout, self.source_address)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\socket.py", line 704, in create_connection
    for res in getaddrinfo(host, port, 0, SOCK_STREAM):
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\socket.py", line 743, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 11004] getaddrinfo failed

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "p3.py", line 12, in <module>
    urllib.request.urlretrieve('http://www.google.com')
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 248, in urlretrieve
    with contextlib.closing(urlopen(url, data)) as fp:
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 223, in urlopen
    return opener.open(url, data, timeout)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 526, in open
    response = self._open(req, data)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 544, in _open
    '_open', req)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 504, in _call_chain
    result = func(*args)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 1346, in http_open
    return self.do_open(http.client.HTTPConnection, req)
  File "C:\Users\user\AppData\Local\Programs\Python\Python36-32\lib\urllib\request.py", line 1320, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [Errno 11004] getaddrinfo failed>