103 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.2 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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| 
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| """ This is an implementation of a Matrix homeserver.
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| """
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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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| 
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| from PIL import ImageFile
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| 
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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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| 
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| # Allow truncated JPEG images to be thumbnailed.
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| ImageFile.LOAD_TRUNCATED_IMAGES = True
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| 
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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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| 
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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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| 
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|     import twisted
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| 
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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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| 
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|     import asyncio
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| 
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|     from twisted.internet import asyncioreactor
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| 
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|     asyncioreactor.install(asyncio.get_event_loop())
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| import synapse.util  # noqa: E402
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| 
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| __version__ = synapse.util.SYNAPSE_VERSION
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| 
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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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| 
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|     do_patch()
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| 
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| 
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| check_rust_lib_up_to_date()
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