[网络协议]我在做练习requests爬豆瓣时出现报错。

Traceback (most recent call last):
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 696, in urlopen
    self._prepare_proxy(conn)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 964, in _prepare_proxy
    conn.connect()
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connection.py", line 364, in connect
    conn = self._connect_tls_proxy(hostname, conn)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connection.py", line 501, in _connect_tls_proxy
    socket = ssl_wrap_socket(
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\util\ssl_.py", line 453, in ssl_wrap_socket
    ssl_sock = _ssl_wrap_socket_impl(sock, context, tls_in_tls)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\util\ssl_.py", line 495, in _ssl_wrap_socket_impl
    return ssl_context.wrap_socket(sock)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\ssl.py", line 500, in wrap_socket
    return self.sslsocket_class._create(
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\ssl.py", line 1040, in _create
    self.do_handshake()
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\ssl.py", line 1309, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLEOFError: EOF occurred in violation of protocol (_ssl.c:1125)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\adapters.py", line 439, in send
    resp = conn.urlopen(
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\connectionpool.py", line 755, in urlopen
    retries = retries.increment(
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\urllib3\util\retry.py", line 574, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='movie.douban.com', port=443): Max retries exceeded with url: /top250 (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)')))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\10177\Desktop\react\最新爬虫课件\代码\第二章\2_4_手刃豆瓣TOP250.py", line 11, in <module>
    resp = requests.get(url, headers=headers)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\api.py", line 75, in get
    return request('get', url, params=params, **kwargs)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\api.py", line 61, in request
    return session.request(method=method, url=url, **kwargs)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\sessions.py", line 542, in request
    resp = self.send(prep, **send_kwargs)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\sessions.py", line 655, in send
    r = adapter.send(request, **kwargs)
  File "C:\Users\10177\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\adapters.py", line 514, in send
    raise SSLError(e, request=request)
requests.exceptions.SSLError: HTTPSConnectionPool(host='movie.douban.com', port=443): Max retries exceeded with url: /top250 (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)')))

1.重新安装了python，换成老版本，无效

2.又是安装各种证书，还是报错，无效

pip install pyopenssl ndg-httpsclient pyasn1

pip install -U urllib3

pip install -U channels

3.最后我发现是挂了外网服务器代理，把代理关了就可以了