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https://mau.dev/maunium/synapse.git
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0f1afbe8dc
Duplicating function signatures between server.py and server.pyi is silly. This commit changes that by changing all `build_*` methods to `get_*` methods and changing the `_make_dependency_method` to work work as a descriptor that caches the produced value. There are some changes in other files that were made to fix the typing in server.py.
102 lines
3.6 KiB
Python
102 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 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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import logging
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from synapse.storage.database import DatabasePool, make_conn
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from synapse.storage.databases.main.events import PersistEventsStore
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from synapse.storage.databases.state import StateGroupDataStore
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from synapse.storage.engines import create_engine
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from synapse.storage.prepare_database import prepare_database
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logger = logging.getLogger(__name__)
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class Databases(object):
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"""The various databases.
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These are low level interfaces to physical databases.
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Attributes:
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main (DataStore)
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"""
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def __init__(self, main_store_class, hs):
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# Note we pass in the main store class here as workers use a different main
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# store.
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self.databases = []
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main = None
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state = None
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persist_events = None
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for database_config in hs.config.database.databases:
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db_name = database_config.name
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engine = create_engine(database_config.config)
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with make_conn(database_config, engine) as db_conn:
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logger.info("Preparing database %r...", db_name)
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engine.check_database(db_conn)
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prepare_database(
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db_conn, engine, hs.config, databases=database_config.databases,
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)
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database = DatabasePool(hs, database_config, engine)
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if "main" in database_config.databases:
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logger.info("Starting 'main' data store")
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# Sanity check we don't try and configure the main store on
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# multiple databases.
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if main:
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raise Exception("'main' data store already configured")
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main = main_store_class(database, db_conn, hs)
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# If we're on a process that can persist events also
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# instantiate a `PersistEventsStore`
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if hs.config.worker.writers.events == hs.get_instance_name():
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persist_events = PersistEventsStore(hs, database, main)
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if "state" in database_config.databases:
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logger.info("Starting 'state' data store")
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# Sanity check we don't try and configure the state store on
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# multiple databases.
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if state:
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raise Exception("'state' data store already configured")
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state = StateGroupDataStore(database, db_conn, hs)
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db_conn.commit()
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self.databases.append(database)
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logger.info("Database %r prepared", db_name)
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# Sanity check that we have actually configured all the required stores.
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if not main:
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raise Exception("No 'main' data store configured")
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if not state:
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raise Exception("No 'main' data store configured")
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# We use local variables here to ensure that the databases do not have
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# optional types.
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self.main = main
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self.state = state
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self.persist_events = persist_events
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