Python failure.Failure方法代碼示例

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def testIllegalInboxDelete(self):
        """
        Test what happens if we try to delete the user Inbox.
        We expect that operation to fail.
        """
        self.stashed = None

        def login():
            return self.client.login(TEST_USER, TEST_PASSWD)

        def delete():
            return self.client.delete('inbox')

        def stash(result):
            self.stashed = result

        d1 = self.connected.addCallback(strip(login))
        d1.addCallbacks(strip(delete), self._ebGeneral)
        d1.addBoth(stash)
        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
        d2 = self.loopback()
        d = defer.gatherResults([d1, d2])
        d.addCallback(lambda _: self.failUnless(isinstance(self.stashed,
                                                           failure.Failure)))
        return d 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def send(self, cmd, args, expect_ack=None, ack_callback=None, response_callback=None, expect_status=None, status_callback=None, update_callback=None, update_handler=None):
        if self.ready:
            self.cmd = cmd
            if 'request' in cmd:
                self.response_rows = []
            ret = self.api.gateway_send('%s %s %s' % (cmd, self.id, args))
            self.ack_pending = expect_ack
            self.ack_callback = ack_callback
            self.response_pending = bool(response_callback)
            self.response_callback = response_callback
            self.status_pending = expect_status
            self.status_callback = status_callback
            self.update_callback = update_callback
            self.update_handler = update_handler
        else:
            if self.on_connect_action:
                self.api.error_handler(self.id, 'Failure: on_connect_action already exists: %s' % repr(self.on_connect_action))
                ret = False
            else:
                self.api.output('%s storing on_connect_action (%s)...' % (self, cmd))
                self.on_connect_action = (cmd, args, expect_ack, ack_callback, response_callback, expect_status, status_callback, update_callback, update_handler)
                ret = True
        return ret 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def set_order_route(self, route, callback):
        #print('set_order_route(%s, %s) type=%s %s' % (repr(route), repr(callback), type(route), (type(route) in [str, unicode])))
        if type(route) in [str, unicode]:
            if route.startswith('{'):
                route = json.loads(route)
	    elif route.startswith('"'):
                route = {json.loads(route): None}
            else:
                route = {route: None}
        if (type(route)==dict) and (len(route.keys()) == 1) and (type(route.keys()[0]) in [str, unicode]):
            self.order_route = route
            if callback:
                self.get_order_route(callback)
        else:
            if callback:
                callback.errback(Failure(Exception('cannot set order route %s' % route)))
            else:
                self.error_handler(None, 'Cannot set order route %s' % repr(route)) 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def _complete_batch_send(self, resp):
        """Complete the processing of our batch send operation

        Clear the deferred tracking our current batch processing
        and reset our retry count and retry interval
        Return none to eat any errors coming from up the deferred chain
        """
        self._batch_send_d = None
        self._req_attempts = 0
        self._retry_interval = self._init_retry_interval
        if isinstance(resp, Failure) and not resp.check(tid_CancelledError,
                                                        CancelledError):
            log.error(
                "Failure detected in _complete_batch_send: %r", resp,
                exc_info=(resp.type, resp.value, resp.getTracebackObject()),
            )
        return 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def test_consumer_error_during_offset(self):
        topic = 'error_during_offset'
        part = 991
        reqs_ds = [Deferred(), Deferred()]
        clock = MemoryReactorClock()
        mockclient = Mock(reactor=clock)
        mockclient.send_offset_request.side_effect = reqs_ds
        consumer = Consumer(mockclient, topic, part, Mock())
        d = consumer.start(OFFSET_LATEST)
        # Make sure request for offset was made
        request = OffsetRequest(topic, part, OFFSET_LATEST, 1)
        mockclient.send_offset_request.assert_called_once_with([request])
        # Errback the first request
        f = Failure(KafkaUnavailableError())  # Perhaps kafka wasn't up yet...
        with patch.object(kconsumer, 'log'):
            reqs_ds[0].errback(f)
        # Advance the clock to trigger the 2nd request
        clock.advance(consumer.retry_delay + 1)  # fire the callLater
        self.assertEqual(2, mockclient.send_offset_request.call_count)

        # Stop the consumer to cleanup any outstanding operations
        self.assertIsNone(consumer.stop())
        self.assertIsNone(self.successResultOf(d)) 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def test_consumer_offset_out_of_range_error_without_reset(self):
        topic = 'offset_out_of_range_error'
        part = 911
        offset = 10000
        fetch_ds = [Deferred()]
        clock = MemoryReactorClock()
        mockclient = Mock(reactor=clock)
        mockclient.send_fetch_request.side_effect = fetch_ds

        consumer = Consumer(mockclient, topic, part, Mock())
        d = consumer.start(offset)

        f = Failure(OffsetOutOfRangeError())
        fetch_ds[0].errback(f)

        self.assertEqual(self.failureResultOf(d), f)

        consumer.stop() 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def test_consumer_error(self):
        """
            get an unexpected stop error from a consumer
        """
        client = self.mock_client([])
        processor = Mock()
        group = ConsumerGroup(client, "group_id", "topic1", processor)
        start_d = group.start()
        self.assertNoResult(start_d)
        with patch('afkak._group.Consumer') as mock_consumer:
            mock_consumer.return_value.start.return_value = d = defer.Deferred()
            group.on_join_complete({"topic1": [1]})
            self.assertEqual(mock_consumer.return_value.start.called, True)
            d.errback(Failure(AssertionError()))
            self.failureResultOf(start_d, AssertionError)
            d.addErrback(lambda result: None) 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def test_producer_send_messages_no_retry_fail(self):
        client = Mock(reactor=MemoryReactorClock())
        f = Failure(BrokerNotAvailableError())
        client.send_produce_request.side_effect = [fail(f)]
        client.topic_partitions = {self.topic: [0, 1, 2, 3]}
        client.metadata_error_for_topic.return_value = False
        msgs = [self.msg("one"), self.msg("two")]

        producer = Producer(client, max_req_attempts=1)
        d = producer.send_messages(self.topic, msgs=msgs)
        # Check the expected request was sent
        msgSet = create_message_set(
            make_send_requests(msgs), producer.codec)
        req = ProduceRequest(self.topic, 0, msgSet)
        client.send_produce_request.assert_called_once_with(
            [req], acks=producer.req_acks, timeout=producer.ack_timeout,
            fail_on_error=False)
        self.failureResultOf(d, BrokerNotAvailableError)

        producer.stop() 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def test_producer_send_messages_unexpected_err(self):
        client = Mock(reactor=MemoryReactorClock())
        f = Failure(TypeError())
        client.send_produce_request.side_effect = [fail(f)]
        client.topic_partitions = {self.topic: [0, 1, 2, 3]}
        client.metadata_error_for_topic.return_value = False
        msgs = [self.msg("one"), self.msg("two")]

        producer = Producer(client)
        # FIXME: Don't use patch to test logging
        with patch.object(aProducer, 'log') as klog:
            d = producer.send_messages(self.topic, msgs=msgs)
            klog.error.assert_called_once_with(
                'Unexpected failure: %r in _handle_send_response', f)
        self.failureResultOf(d, TypeError)

        producer.stop() 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def test_producer_stop_during_request(self):
        """
        Test stopping producer while it's waiting for reply from client
        """
        clock = MemoryReactorClock()
        client = Mock(reactor=clock)
        f = Failure(BrokerNotAvailableError())
        ret = [fail(f), Deferred()]
        client.send_produce_request.side_effect = ret
        client.topic_partitions = {self.topic: [0, 1, 2, 3]}
        client.metadata_error_for_topic.return_value = False
        msgs = [self.msg("one"), self.msg("two")]
        batch_n = 2

        producer = Producer(client, batch_every_n=batch_n, batch_send=True)
        d = producer.send_messages(self.topic, msgs=msgs)
        # At first, there's no result. Have to retry due to first failure
        self.assertNoResult(d)
        clock.advance(producer._retry_interval)

        producer.stop()
        self.failureResultOf(d, tid_CancelledError) 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def test_producer_stop_waiting_to_retry(self):
        """
        Test stopping producer while it's waiting to retry a request
        """
        clock = MemoryReactorClock()
        client = Mock(reactor=clock)
        f = Failure(BrokerNotAvailableError())
        ret = [fail(f)]
        client.send_produce_request.side_effect = ret
        client.topic_partitions = {self.topic: [0, 1, 2, 3]}
        client.metadata_error_for_topic.return_value = False
        msgs = [self.msg("one"), self.msg("two")]
        batch_n = 2

        producer = Producer(client, batch_every_n=batch_n, batch_send=True)
        d = producer.send_messages(self.topic, msgs=msgs)
        # At first, there's no result. Have to retry due to first failure
        self.assertNoResult(d)
        # Advance the clock, some, but not enough to retry
        clock.advance(producer._retry_interval / 2)
        # Stop the producer before the retry
        producer.stop()
        self.failureResultOf(d, tid_CancelledError) 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def process(self):
        """
        Process a request.
        """

        # get site from channel
        self.site = self.channel.site

        # set various default headers
        self.setHeader(b'server', version)
        self.setHeader(b'date', http.datetimeToString())

        # Resource Identification
        self.prepath = []
        self.postpath = list(map(unquote, self.path[1:].split(b'/')))

        try:
            resrc = self.site.getResourceFor(self)
            if resource._IEncodingResource.providedBy(resrc):
                encoder = resrc.getEncoder(self)
                if encoder is not None:
                    self._encoder = encoder
            self.render(resrc)
        except:
            self.processingFailed(failure.Failure()) 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def handleResponse(self, response):
        if self.quietLoss:
            return
        if self.failed:
            self.factory.noPage(
                Failure(
                    error.Error(
                        self.status, self.message, response)))
        if self.factory.method == b'HEAD':
            # Callback with empty string, since there is never a response
            # body for HEAD requests.
            self.factory.page(b'')
        elif self.length != None and self.length != 0:
            self.factory.noPage(Failure(
                PartialDownloadError(self.status, self.message, response)))
        else:
            self.factory.page(response)
        # server might be stupid and not close connection. admittedly
        # the fact we do only one request per connection is also
        # stupid...
        self.transport.loseConnection() 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def request(self, method, uri, headers=None, bodyProducer=None):
        """
        Issue a request to the server indicated by the given C{uri}.

        An existing connection from the connection pool may be used or a new
        one may be created.

        I{HTTP} and I{HTTPS} schemes are supported in C{uri}.

        @see: L{twisted.web.iweb.IAgent.request}
        """
        parsedURI = URI.fromBytes(uri)
        try:
            endpoint = self._getEndpoint(parsedURI)
        except SchemeNotSupported:
            return defer.fail(Failure())
        key = (parsedURI.scheme, parsedURI.host, parsedURI.port)
        return self._requestWithEndpoint(key, endpoint, method, parsedURI,
                                         headers, bodyProducer,
                                         parsedURI.originForm) 

# 需要導入模塊: from twisted.python import failure [as 別名]
# 或者: from twisted.python.failure import Failure [as 別名]
def _handleRedirect(self, response, method, uri, headers, redirectCount):
        """
        Handle a redirect response, checking the number of redirects already
        followed, and extracting the location header fields.
        """
        if redirectCount >= self._redirectLimit:
            err = error.InfiniteRedirection(
                response.code,
                b'Infinite redirection detected',
                location=uri)
            raise ResponseFailed([Failure(err)], response)
        locationHeaders = response.headers.getRawHeaders(b'location', [])
        if not locationHeaders:
            err = error.RedirectWithNoLocation(
                response.code, b'No location header field', uri)
            raise ResponseFailed([Failure(err)], response)
        location = self._resolveLocation(uri, locationHeaders[0])
        deferred = self._agent.request(method, location, headers)
        def _chainResponse(newResponse):
            newResponse.setPreviousResponse(response)
            return newResponse
        deferred.addCallback(_chainResponse)
        return deferred.addCallback(
            self._handleResponse, method, uri, headers, redirectCount + 1)