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44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import sys
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from typing import cast
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from synapse.types import ISynapseReactor
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try:
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from twisted.internet.epollreactor import EPollReactor as Reactor
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except ImportError:
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from twisted.internet.pollreactor import PollReactor as Reactor # type: ignore[assignment]
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from twisted.internet.main import installReactor
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def make_reactor() -> ISynapseReactor:
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"""
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Instantiate and install a Twisted reactor suitable for testing (i.e. not the
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default global one).
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"""
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reactor = Reactor()
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if "twisted.internet.reactor" in sys.modules:
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del sys.modules["twisted.internet.reactor"]
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installReactor(reactor)
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return cast(ISynapseReactor, reactor)
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