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37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet.defer import CancelledError
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from twisted.python import failure
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from synapse.api.errors import SynapseError
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class RequestTimedOutError(SynapseError):
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"""Exception representing timeout of an outbound request"""
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def __init__(self):
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super(RequestTimedOutError, self).__init__(504, "Timed out")
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def cancelled_to_request_timed_out_error(value, timeout):
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"""Turns CancelledErrors into RequestTimedOutErrors.
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For use with async.add_timeout_to_deferred
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"""
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if isinstance(value, failure.Failure):
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value.trap(CancelledError)
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raise RequestTimedOutError()
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return value
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