FAILED [100%] test_kaoyan.py:14 (Test_Kaoyan_Case.test_kaoyan_objection_index) self = method = 'GET', url = '//zxx/v4/master?userid=10', body = None headers = {'User-Agent': 'python-requests/2.25.1', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive'} retries = Retry(total=0, connect=None, read=False, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=None, read=None, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None response_kw = {'decode_content': False, 'preload_content': False} parsed_url = Url(scheme=None, auth=None, host='zxx', port=None, path='/v4/master', query='userid=10', fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( self, method, url, body=None, headers=None, retries=None, redirect=True, assert_same_host=True, timeout=_Default, pool_timeout=None, release_conn=None, chunked=False, body_pos=None, **response_kw ): """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method provided by :class:`.RequestMethods`, such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``response_kw.get('preload_content', True)``. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. :param \\**response_kw: Additional parameters are passed to :meth:`urllib3.response.HTTPResponse.from_httplib` """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = response_kw.get("preload_content", True) # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = six.ensure_str(_encode_target(url)) else: url = six.ensure_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() headers.update(self.proxy_headers) # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout is_new_proxy_conn = self.proxy is not None and not getattr( conn, "sock", None ) if is_new_proxy_conn and http_tunnel_required: self._prepare_proxy(conn) # Make the request on the httplib connection object. > httplib_response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, ) C:\python3.9.0\lib\site-packages\urllib3\connectionpool.py:699: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = conn = method = 'GET', url = '//zxx/v4/master?userid=10' timeout = Timeout(connect=None, read=None, total=None), chunked = False httplib_request_kw = {'body': None, 'headers': {'User-Agent': 'python-requests/2.25.1', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive'}} timeout_obj = Timeout(connect=None, read=None, total=None) def _make_request( self, conn, method, url, timeout=_Default, chunked=False, **httplib_request_kw ): """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param timeout: Socket timeout in seconds for the request. This can be a float or integer, which will set the same timeout value for the socket connect and the socket read, or an instance of :class:`urllib3.util.Timeout`, which gives you more fine-grained control over your timeouts. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = timeout_obj.connect_timeout # Trigger any extra validation we need to do. try: > self._validate_conn(conn) C:\python3.9.0\lib\site-packages\urllib3\connectionpool.py:382: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = conn = def _validate_conn(self, conn): """ Called right before a request is made, after the socket is created. """ super(HTTPSConnectionPool, self)._validate_conn(conn) # Force connect early to allow us to validate the connection. if not getattr(conn, "sock", None): # AppEngine might not have `.sock` > conn.connect() C:\python3.9.0\lib\site-packages\urllib3\connectionpool.py:1010: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = def connect(self): # Add certificate verification conn = self._new_conn() hostname = self.host tls_in_tls = False if self._is_using_tunnel(): if self.tls_in_tls_required: conn = self._connect_tls_proxy(hostname, conn) tls_in_tls = True self.sock = conn # Calls self._set_hostport(), so self.host is # self._tunnel_host below. self._tunnel() # Mark this connection as not reusable self.auto_open = 0 # Override the host with the one we're requesting data from. hostname = self._tunnel_host server_hostname = hostname if self.server_hostname is not None: server_hostname = self.server_hostname is_time_off = datetime.date.today() < RECENT_DATE if is_time_off: warnings.warn( ( "System time is way off (before {0}). This will probably " "lead to SSL verification errors" ).format(RECENT_DATE), SystemTimeWarning, ) # Wrap socket using verification with the root certs in # trusted_root_certs default_ssl_context = False if self.ssl_context is None: default_ssl_context = True > self.ssl_context = create_urllib3_context( ssl_version=resolve_ssl_version(self.ssl_version), cert_reqs=resolve_cert_reqs(self.cert_reqs), ) C:\python3.9.0\lib\site-packages\urllib3\connection.py:392: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ssl_version = <_SSLMethod.PROTOCOL_TLS: 2> cert_reqs = options = ciphers = None def create_urllib3_context( ssl_version=None, cert_reqs=None, options=None, ciphers=None ): """All arguments have the same meaning as ``ssl_wrap_socket``. By default, this function does a lot of the same work that ``ssl.create_default_context`` does on Python 3.4+. It: - Disables SSLv2, SSLv3, and compression - Sets a restricted set of server ciphers If you wish to enable SSLv3, you can do:: from urllib3.util import ssl_ context = ssl_.create_urllib3_context() context.options &= ~ssl_.OP_NO_SSLv3 You can do the same to enable compression (substituting ``COMPRESSION`` for ``SSLv3`` in the last line above). :param ssl_version: The desired protocol version to use. This will default to PROTOCOL_SSLv23 which will negotiate the highest protocol that both the server and your installation of OpenSSL support. :param cert_reqs: Whether to require the certificate verification. This defaults to ``ssl.CERT_REQUIRED``. :param options: Specific OpenSSL options. These default to ``ssl.OP_NO_SSLv2``, ``ssl.OP_NO_SSLv3``, ``ssl.OP_NO_COMPRESSION``, and ``ssl.OP_NO_TICKET``. :param ciphers: Which cipher suites to allow the server to select. :returns: Constructed SSLContext object with specified options :rtype: SSLContext """ context = SSLContext(ssl_version or PROTOCOL_TLS) context.set_ciphers(ciphers or DEFAULT_CIPHERS) # Setting the default here, as we may have no ssl module on import cert_reqs = ssl.CERT_REQUIRED if cert_reqs is None else cert_reqs if options is None: options = 0 # SSLv2 is easily broken and is considered harmful and dangerous options |= OP_NO_SSLv2 # SSLv3 has several problems and is now dangerous options |= OP_NO_SSLv3 # Disable compression to prevent CRIME attacks for OpenSSL 1.0+ # (issue #309) options |= OP_NO_COMPRESSION # TLSv1.2 only. Unless set explicitly, do not request tickets. # This may save some bandwidth on wire, and although the ticket is encrypted, # there is a risk associated with it being on wire, # if the server is not rotating its ticketing keys properly. options |= OP_NO_TICKET context.options |= options # Enable post-handshake authentication for TLS 1.3, see GH #1634. PHA is # necessary for conditional client cert authentication with TLS 1.3. # The attribute is None for OpenSSL <= 1.1.0 or does not exist in older # versions of Python. We only enable on Python 3.7.4+ or if certificate # verification is enabled to work around Python issue #37428 # See: https://bugs.python.org/issue37428 if (cert_reqs == ssl.CERT_REQUIRED or sys.version_info >= (3, 7, 4)) and getattr( context, "post_handshake_auth", None ) is not None: context.post_handshake_auth = True context.verify_mode = cert_reqs if ( getattr(context, "check_hostname", None) is not None ): # Platform-specific: Python 3.2 # We do our own verification, including fingerprints and alternative # hostnames. So disable it here context.check_hostname = False # Enable logging of TLS session keys via defacto standard environment variable # 'SSLKEYLOGFILE', if the feature is available (Python 3.8+). Skip empty values. if hasattr(context, "keylog_filename"): sslkeylogfile = os.environ.get("SSLKEYLOGFILE") if sslkeylogfile: > context.keylog_filename = sslkeylogfile E PermissionError: [Errno 13] Permission denied: 'C:\\nss_ssl_sfagent.log' C:\python3.9.0\lib\site-packages\urllib3\util\ssl_.py:329: PermissionError During handling of the above exception, another exception occurred: self = request = , stream = False timeout = Timeout(connect=None, read=None, total=None), verify = True cert = None, proxies = OrderedDict() 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 ` 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) ` 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 """ try: conn = self.get_connection(request.url, proxies) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers(request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies) 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 {}. 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 ) C:\python3.9.0\lib\site-packages\requests\adapters.py:439: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = method = 'GET', url = '//zxx/v4/master?userid=10', body = None headers = {'User-Agent': 'python-requests/2.25.1', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive'} retries = Retry(total=0, connect=None, read=False, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=None, read=None, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None response_kw = {'decode_content': False, 'preload_content': False} parsed_url = Url(scheme=None, auth=None, host='zxx', port=None, path='/v4/master', query='userid=10', fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( self, method, url, body=None, headers=None, retries=None, redirect=True, assert_same_host=True, timeout=_Default, pool_timeout=None, release_conn=None, chunked=False, body_pos=None, **response_kw ): """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method provided by :class:`.RequestMethods`, such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``response_kw.get('preload_content', True)``. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. :param \\**response_kw: Additional parameters are passed to :meth:`urllib3.response.HTTPResponse.from_httplib` """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = response_kw.get("preload_content", True) # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = six.ensure_str(_encode_target(url)) else: url = six.ensure_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() headers.update(self.proxy_headers) # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout is_new_proxy_conn = self.proxy is not None and not getattr( conn, "sock", None ) if is_new_proxy_conn and http_tunnel_required: self._prepare_proxy(conn) # Make the request on the httplib connection object. httplib_response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, ) # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Pass method to Response for length checking response_kw["request_method"] = method # Import httplib's response into our own wrapper object response = self.ResponseCls.from_httplib( httplib_response, pool=self, connection=response_conn, retries=retries, **response_kw ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, SocketError, ProtocolError, BaseSSLError, SSLError, CertificateError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False if isinstance(e, (BaseSSLError, CertificateError)): e = SSLError(e) elif isinstance(e, (SocketError, NewConnectionError)) and self.proxy: e = ProxyError("Cannot connect to proxy.", e) elif isinstance(e, (SocketError, HTTPException)): e = ProtocolError("Connection aborted.", e) > retries = retries.increment( method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2] ) C:\python3.9.0\lib\site-packages\urllib3\connectionpool.py:755: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=False, redirect=None, status=None) method = 'GET', url = '//zxx/v4/master?userid=10', response = None error = ProtocolError('Connection aborted.', PermissionError(13, 'Permission denied')) _pool = _stacktrace = def increment( self, method=None, url=None, response=None, error=None, _pool=None, _stacktrace=None, ): """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.HTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise six.reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise six.reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or not self._is_method_retryable(method): > raise six.reraise(type(error), error, _stacktrace) C:\python3.9.0\lib\site-packages\urllib3\util\retry.py:532: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ tp = , value = None, tb = None def reraise(tp, value, tb=None): try: if value is None: value = tp() if value.__traceback__ is not tb: > raise value.with_traceback(tb) C:\python3.9.0\lib\site-packages\urllib3\packages\six.py:734: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = method = 'GET', url = '//zxx/v4/master?userid=10', body = None headers = {'User-Agent': 'python-requests/2.25.1', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive'} retries = Retry(total=0, connect=None, read=False, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=None, read=None, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None response_kw = {'decode_content': False, 'preload_content': False} parsed_url = Url(scheme=None, auth=None, host='zxx', port=None, path='/v4/master', query='userid=10', fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( self, method, url, body=None, headers=None, retries=None, redirect=True, assert_same_host=True, timeout=_Default, pool_timeout=None, release_conn=None, chunked=False, body_pos=None, **response_kw ): """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method provided by :class:`.RequestMethods`, such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``response_kw.get('preload_content', True)``. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. :param \\**response_kw: Additional parameters are passed to :meth:`urllib3.response.HTTPResponse.from_httplib` """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = response_kw.get("preload_content", True) # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = six.ensure_str(_encode_target(url)) else: url = six.ensure_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() headers.update(self.proxy_headers) # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout is_new_proxy_conn = self.proxy is not None and not getattr( conn, "sock", None ) if is_new_proxy_conn and http_tunnel_required: self._prepare_proxy(conn) # Make the request on the httplib connection object. > httplib_response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, ) C:\python3.9.0\lib\site-packages\urllib3\connectionpool.py:699: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = conn = method = 'GET', url = '//zxx/v4/master?userid=10' timeout = Timeout(connect=None, read=None, total=None), chunked = False httplib_request_kw = {'body': None, 'headers': {'User-Agent': 'python-requests/2.25.1', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive'}} timeout_obj = Timeout(connect=None, read=None, total=None) def _make_request( self, conn, method, url, timeout=_Default, chunked=False, **httplib_request_kw ): """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param timeout: Socket timeout in seconds for the request. This can be a float or integer, which will set the same timeout value for the socket connect and the socket read, or an instance of :class:`urllib3.util.Timeout`, which gives you more fine-grained control over your timeouts. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = timeout_obj.connect_timeout # Trigger any extra validation we need to do. try: > self._validate_conn(conn) C:\python3.9.0\lib\site-packages\urllib3\connectionpool.py:382: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = conn = def _validate_conn(self, conn): """ Called right before a request is made, after the socket is created. """ super(HTTPSConnectionPool, self)._validate_conn(conn) # Force connect early to allow us to validate the connection. if not getattr(conn, "sock", None): # AppEngine might not have `.sock` > conn.connect() C:\python3.9.0\lib\site-packages\urllib3\connectionpool.py:1010: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = def connect(self): # Add certificate verification conn = self._new_conn() hostname = self.host tls_in_tls = False if self._is_using_tunnel(): if self.tls_in_tls_required: conn = self._connect_tls_proxy(hostname, conn) tls_in_tls = True self.sock = conn # Calls self._set_hostport(), so self.host is # self._tunnel_host below. self._tunnel() # Mark this connection as not reusable self.auto_open = 0 # Override the host with the one we're requesting data from. hostname = self._tunnel_host server_hostname = hostname if self.server_hostname is not None: server_hostname = self.server_hostname is_time_off = datetime.date.today() < RECENT_DATE if is_time_off: warnings.warn( ( "System time is way off (before {0}). This will probably " "lead to SSL verification errors" ).format(RECENT_DATE), SystemTimeWarning, ) # Wrap socket using verification with the root certs in # trusted_root_certs default_ssl_context = False if self.ssl_context is None: default_ssl_context = True > self.ssl_context = create_urllib3_context( ssl_version=resolve_ssl_version(self.ssl_version), cert_reqs=resolve_cert_reqs(self.cert_reqs), ) C:\python3.9.0\lib\site-packages\urllib3\connection.py:392: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ssl_version = <_SSLMethod.PROTOCOL_TLS: 2> cert_reqs = options = ciphers = None def create_urllib3_context( ssl_version=None, cert_reqs=None, options=None, ciphers=None ): """All arguments have the same meaning as ``ssl_wrap_socket``. By default, this function does a lot of the same work that ``ssl.create_default_context`` does on Python 3.4+. It: - Disables SSLv2, SSLv3, and compression - Sets a restricted set of server ciphers If you wish to enable SSLv3, you can do:: from urllib3.util import ssl_ context = ssl_.create_urllib3_context() context.options &= ~ssl_.OP_NO_SSLv3 You can do the same to enable compression (substituting ``COMPRESSION`` for ``SSLv3`` in the last line above). :param ssl_version: The desired protocol version to use. This will default to PROTOCOL_SSLv23 which will negotiate the highest protocol that both the server and your installation of OpenSSL support. :param cert_reqs: Whether to require the certificate verification. This defaults to ``ssl.CERT_REQUIRED``. :param options: Specific OpenSSL options. These default to ``ssl.OP_NO_SSLv2``, ``ssl.OP_NO_SSLv3``, ``ssl.OP_NO_COMPRESSION``, and ``ssl.OP_NO_TICKET``. :param ciphers: Which cipher suites to allow the server to select. :returns: Constructed SSLContext object with specified options :rtype: SSLContext """ context = SSLContext(ssl_version or PROTOCOL_TLS) context.set_ciphers(ciphers or DEFAULT_CIPHERS) # Setting the default here, as we may have no ssl module on import cert_reqs = ssl.CERT_REQUIRED if cert_reqs is None else cert_reqs if options is None: options = 0 # SSLv2 is easily broken and is considered harmful and dangerous options |= OP_NO_SSLv2 # SSLv3 has several problems and is now dangerous options |= OP_NO_SSLv3 # Disable compression to prevent CRIME attacks for OpenSSL 1.0+ # (issue #309) options |= OP_NO_COMPRESSION # TLSv1.2 only. Unless set explicitly, do not request tickets. # This may save some bandwidth on wire, and although the ticket is encrypted, # there is a risk associated with it being on wire, # if the server is not rotating its ticketing keys properly. options |= OP_NO_TICKET context.options |= options # Enable post-handshake authentication for TLS 1.3, see GH #1634. PHA is # necessary for conditional client cert authentication with TLS 1.3. # The attribute is None for OpenSSL <= 1.1.0 or does not exist in older # versions of Python. We only enable on Python 3.7.4+ or if certificate # verification is enabled to work around Python issue #37428 # See: https://bugs.python.org/issue37428 if (cert_reqs == ssl.CERT_REQUIRED or sys.version_info >= (3, 7, 4)) and getattr( context, "post_handshake_auth", None ) is not None: context.post_handshake_auth = True context.verify_mode = cert_reqs if ( getattr(context, "check_hostname", None) is not None ): # Platform-specific: Python 3.2 # We do our own verification, including fingerprints and alternative # hostnames. So disable it here context.check_hostname = False # Enable logging of TLS session keys via defacto standard environment variable # 'SSLKEYLOGFILE', if the feature is available (Python 3.8+). Skip empty values. if hasattr(context, "keylog_filename"): sslkeylogfile = os.environ.get("SSLKEYLOGFILE") if sslkeylogfile: > context.keylog_filename = sslkeylogfile E urllib3.exceptions.ProtocolError: ('Connection aborted.', PermissionError(13, 'Permission denied')) C:\python3.9.0\lib\site-packages\urllib3\util\ssl_.py:329: ProtocolError During handling of the above exception, another exception occurred: self = @allure.title('考研主页') # 根据目标进行推荐 def test_kaoyan_objection_index(self): > r = self.kaoyan.kaoyan_index(userid=10) test_kaoyan.py:17: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ..\po\kaoyan.py:13: in kaoyan_index r = self.send(body) ..\po\base_api.py:12: in send r = requests.request(**kwargs) C:\python3.9.0\lib\site-packages\requests\api.py:61: in request return session.request(method=method, url=url, **kwargs) C:\python3.9.0\lib\site-packages\requests\sessions.py:542: in request resp = self.send(prep, **send_kwargs) C:\python3.9.0\lib\site-packages\requests\sessions.py:655: in send r = adapter.send(request, **kwargs) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = request = , stream = False timeout = Timeout(connect=None, read=None, total=None), verify = True cert = None, proxies = OrderedDict() 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 ` 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) ` 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 """ try: conn = self.get_connection(request.url, proxies) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers(request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies) 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 {}. 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(b'0\r\n\r\n') # Receive the response from the server try: # For Python 2.7, use buffering of HTTP responses r = low_conn.getresponse(buffering=True) except TypeError: # For compatibility with Python 3.3+ 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) E requests.exceptions.ConnectionError: ('Connection aborted.', PermissionError(13, 'Permission denied')) C:\python3.9.0\lib\site-packages\requests\adapters.py:498: ConnectionError