115 lines
3.5 KiB
Python
115 lines
3.5 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018-2019 New Vector Ltd
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# Copyright 2023 The Matrix.org Foundation C.I.C.
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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 an implementation of a Matrix homeserver.
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"""
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import os
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import sys
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from typing import Any, Dict
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from PIL import ImageFile
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from synapse.util.rust import check_rust_lib_up_to_date
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from synapse.util.stringutils import strtobool
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# Allow truncated JPEG images to be thumbnailed.
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ImageFile.LOAD_TRUNCATED_IMAGES = True
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# Update your remotes folks.
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announcement = """
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Synapse is no longer being developed under the matrix-org organization. See the
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README.rst for more details.
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Please update your git remote to pull from element-hq/synapse:
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git remote set-url origin git@github.com:element-hq/synapse.git
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"""
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print(announcement)
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sys.exit(1)
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# Check that we're not running on an unsupported Python version.
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#
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# Note that we use an (unneeded) variable here so that pyupgrade doesn't nuke the
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# if-statement completely.
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py_version = sys.version_info
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if py_version < (3, 8):
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print("Synapse requires Python 3.8 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 strtobool(os.environ.get("SYNAPSE_ASYNC_IO_REACTOR", "0")):
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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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# 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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# Teach canonicaljson how to serialise immutabledicts.
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try:
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from canonicaljson import register_preserialisation_callback
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from immutabledict import immutabledict
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def _immutabledict_cb(d: immutabledict) -> Dict[str, Any]:
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try:
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return d._dict
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except Exception:
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# Paranoia: fall back to a `dict()` call, in case a future version of
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# immutabledict removes `_dict` from the implementation.
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return dict(d)
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register_preserialisation_callback(immutabledict, _immutabledict_cb)
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except ImportError:
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pass
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import synapse.util # noqa: E402
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__version__ = synapse.util.SYNAPSE_VERSION
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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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check_rust_lib_up_to_date()
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