79 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.4 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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| 
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| """ This is a reference implementation of a Matrix homeserver.
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| """
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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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| 
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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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| 
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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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| 
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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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|     except ImportError:
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|         pass
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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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| # 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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| 
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|     set_json_library(json)
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| except ImportError:
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|     pass
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| 
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| __version__ = "1.57.1"
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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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