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# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018-2019 New Vector Ltd
# Copyright 2023 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" This is an implementation of a Matrix homeserver.
"""
import os
import sys
from typing import Any, Dict
from synapse.util.rust import check_rust_lib_up_to_date
from synapse.util.stringutils import strtobool
# Check that we're not running on an unsupported Python version.
if sys.version_info < (3, 8):
print("Synapse requires Python 3.8 or above.")
sys.exit(1)
# Allow using the asyncio reactor via env var.
if strtobool(os.environ.get("SYNAPSE_ASYNC_IO_REACTOR", "0")):
from incremental import Version
import twisted
# We need a bugfix that is included in Twisted 21.2.0:
# https://twistedmatrix.com/trac/ticket/9787
if twisted.version < Version("Twisted", 21, 2, 0):
print("Using asyncio reactor requires Twisted>=21.2.0")
sys.exit(1)
import asyncio
from twisted.internet import asyncioreactor
asyncioreactor.install(asyncio.get_event_loop())
# Twisted and canonicaljson will fail to import when this file is executed to
# get the __version__ during a fresh install. That's OK and subsequent calls to
# actually start Synapse will import these libraries fine.
try:
from twisted.internet import protocol
from twisted.internet.protocol import Factory
from twisted.names.dns import DNSDatagramProtocol
protocol.Factory.noisy = False
Factory.noisy = False
DNSDatagramProtocol.noisy = False
except ImportError:
pass
# Teach canonicaljson how to serialise immutabledicts.
try:
from canonicaljson import register_preserialisation_callback
from immutabledict import immutabledict
def _immutabledict_cb(d: immutabledict) -> Dict[str, Any]:
try:
return d._dict
except Exception:
# Paranoia: fall back to a `dict()` call, in case a future version of
# immutabledict removes `_dict` from the implementation.
return dict(d)
register_preserialisation_callback(immutabledict, _immutabledict_cb)
except ImportError:
pass
import synapse.util
__version__ = synapse.util.SYNAPSE_VERSION
if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
# We import here so that we don't have to install a bunch of deps when
# running the packaging tox test.
from synapse.util.patch_inline_callbacks import do_patch
do_patch()
check_rust_lib_up_to_date()
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