81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018-9 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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""" This is a reference implementation of a Matrix homeserver.
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"""
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import json
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import os
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import sys
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from matrix_common.versionstring import get_distribution_version_string
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# Check that we're not running on an unsupported Python version.
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if sys.version_info < (3, 7):
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print("Synapse requires Python 3.7 or above.")
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sys.exit(1)
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# Allow using the asyncio reactor via env var.
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if bool(os.environ.get("SYNAPSE_ASYNC_IO_REACTOR", False)):
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try:
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from incremental import Version
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import twisted
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# We need a bugfix that is included in Twisted 21.2.0:
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# https://twistedmatrix.com/trac/ticket/9787
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if twisted.version < Version("Twisted", 21, 2, 0):
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print("Using asyncio reactor requires Twisted>=21.2.0")
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sys.exit(1)
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import asyncio
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from twisted.internet import asyncioreactor
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asyncioreactor.install(asyncio.get_event_loop())
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except ImportError:
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pass
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# Twisted and canonicaljson will fail to import when this file is executed to
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# get the __version__ during a fresh install. That's OK and subsequent calls to
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# actually start Synapse will import these libraries fine.
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try:
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from twisted.internet import protocol
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from twisted.internet.protocol import Factory
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from twisted.names.dns import DNSDatagramProtocol
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protocol.Factory.noisy = False
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Factory.noisy = False
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DNSDatagramProtocol.noisy = False
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except ImportError:
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pass
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# Use the standard library json implementation instead of simplejson.
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try:
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from canonicaljson import set_json_library
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set_json_library(json)
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except ImportError:
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pass
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__version__ = get_distribution_version_string("matrix-synapse")
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if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
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# We import here so that we don't have to install a bunch of deps when
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# running the packaging tox test.
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from synapse.util.patch_inline_callbacks import do_patch
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do_patch()
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