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facebook graph api 报错SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)')

时间:2017-06-26 19:05:23      阅读:1860      评论:0      收藏:0      [点我收藏+]

标签:urllib   hunk   apt   body   reason   max   param   assert   value   

使用facebook graph api,报错如下

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一开始以为是https证书验证失败,查了一下午源码,没有看到问题,于是把Python27\lib\site-packages\requests\adapters.py文件的如下位置异常处理注释掉了,看看异常到底从哪来的

    def send(self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None):
        """Sends PreparedRequest object. Returns Response object.

        :param request: The :class:`PreparedRequest <PreparedRequest>` being sent.
        :param stream: (optional) Whether to stream the request content.
        :param timeout: (optional) How long to wait for the server to send
            data before giving up, as a float, or a :ref:`(connect timeout,
            read timeout) <timeouts>` tuple.
        :type timeout: float or tuple or urllib3 Timeout object
        :param verify: (optional) Either a boolean, in which case it controls whether
            we verify the server‘s TLS certificate, or a string, in which case it
            must be a path to a CA bundle to use
        :param cert: (optional) Any user-provided SSL certificate to be trusted.
        :param proxies: (optional) The proxies dictionary to apply to the request.
        :rtype: requests.Response
        """

        conn = self.get_connection(request.url, proxies)

        self.cert_verify(conn, request.url, verify, cert)
        url = self.request_url(request, proxies)
        self.add_headers(request)

        chunked = not (request.body is None or Content-Length in request.headers)

        if isinstance(timeout, tuple):
            try:
                connect, read = timeout
                timeout = TimeoutSauce(connect=connect, read=read)
            except ValueError as e:
                # this may raise a string formatting error.
                err = ("Invalid timeout {0}. Pass a (connect, read) "
                       "timeout tuple, or a single float to set "
                       "both timeouts to the same value".format(timeout))
                raise ValueError(err)
        elif isinstance(timeout, TimeoutSauce):
            pass
        else:
            timeout = TimeoutSauce(connect=timeout, read=timeout)

        try:
            if not chunked:
                resp = conn.urlopen(
                    method=request.method,
                    url=url,
                    body=request.body,
                    headers=request.headers,
                    redirect=False,
                    assert_same_host=False,
                    preload_content=False,
                    decode_content=False,
                    retries=self.max_retries,
                    timeout=timeout
                )

            # Send the request.
            else:
                if hasattr(conn, proxy_pool):
                    conn = conn.proxy_pool

                low_conn = conn._get_conn(timeout=DEFAULT_POOL_TIMEOUT)

                try:
                    low_conn.putrequest(request.method,
                                        url,
                                        skip_accept_encoding=True)

                    for header, value in request.headers.items():
                        low_conn.putheader(header, value)

                    low_conn.endheaders()

                    for i in request.body:
                        low_conn.send(hex(len(i))[2:].encode(utf-8))
                        low_conn.send(b\r\n)
                        low_conn.send(i)
                        low_conn.send(b\r\n)
                    low_conn.send(b0\r\n\r\n)

                    # Receive the response from the server
                    try:
                        # For Python 2.7+ versions, use buffering of HTTP
                        # responses
                        r = low_conn.getresponse(buffering=True)
                    except TypeError:
                        # For compatibility with Python 2.6 versions and back
                        r = low_conn.getresponse()

                    resp = HTTPResponse.from_httplib(
                        r,
                        pool=conn,
                        connection=low_conn,
                        preload_content=False,
                        decode_content=False
                    )
                except:
                    # If we hit any problems here, clean up the connection.
                    # Then, reraise so that we can handle the actual exception.
                    low_conn.close()
                    raise

        except (ProtocolError, socket.error) as err:
            raise ConnectionError(err, request=request)

        except MaxRetryError as e:
            if isinstance(e.reason, ConnectTimeoutError):
                # TODO: Remove this in 3.0.0: see #2811
                if not isinstance(e.reason, NewConnectionError):
                    raise ConnectTimeout(e, request=request)

            if isinstance(e.reason, ResponseError):
                raise RetryError(e, request=request)

            if isinstance(e.reason, _ProxyError):
                raise ProxyError(e, request=request)

            raise ConnectionError(e, request=request)

        except ClosedPoolError as e:
            raise ConnectionError(e, request=request)

        except _ProxyError as e:
            raise ProxyError(e)

       # except (_SSLError, _HTTPError) as e:
       #     if isinstance(e, _SSLError):
       #         raise SSLError(e, request=request)
       #     elif isinstance(e, ReadTimeoutError):
       #         raise ReadTimeout(e, request=request)
       #     else:
       #         raise

        return self.build_response(request, resp)

注释后报错

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 于是把Python27\lib\site-packages\urllib3\connectionpool.py625到630行注释掉

报错

技术分享

最后估计是proxy的问题,找了一个墙外的服务器试一下果然好了,不FQ就办不成事,shit

祝病魔早日战胜方校长

facebook graph api 报错SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)')

标签:urllib   hunk   apt   body   reason   max   param   assert   value   

原文地址:http://www.cnblogs.com/wuxie1989/p/7081744.html

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