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6368150a74
Replaces DEFAULT_ROOM_VERSION constant with a method that first checks the config, then returns a hardcoded value if the option is not present. That hardcoded value is now located in the server.py config file.
97 lines
2.7 KiB
Python
97 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 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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import attr
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class EventFormatVersions(object):
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"""This is an internal enum for tracking the version of the event format,
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independently from the room version.
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"""
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V1 = 1 # $id:server event id format
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V2 = 2 # MSC1659-style $hash event id format: introduced for room v3
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V3 = 3 # MSC1884-style $hash format: introduced for room v4
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KNOWN_EVENT_FORMAT_VERSIONS = {
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EventFormatVersions.V1,
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EventFormatVersions.V2,
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EventFormatVersions.V3,
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}
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class StateResolutionVersions(object):
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"""Enum to identify the state resolution algorithms"""
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V1 = 1 # room v1 state res
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V2 = 2 # MSC1442 state res: room v2 and later
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class RoomDisposition(object):
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STABLE = "stable"
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UNSTABLE = "unstable"
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@attr.s(slots=True, frozen=True)
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class RoomVersion(object):
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"""An object which describes the unique attributes of a room version."""
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identifier = attr.ib() # str; the identifier for this version
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disposition = attr.ib() # str; one of the RoomDispositions
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event_format = attr.ib() # int; one of the EventFormatVersions
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state_res = attr.ib() # int; one of the StateResolutionVersions
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class RoomVersions(object):
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V1 = RoomVersion(
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"1",
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RoomDisposition.STABLE,
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EventFormatVersions.V1,
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StateResolutionVersions.V1,
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)
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STATE_V2_TEST = RoomVersion(
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"state-v2-test",
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RoomDisposition.UNSTABLE,
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EventFormatVersions.V1,
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StateResolutionVersions.V2,
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)
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V2 = RoomVersion(
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"2",
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RoomDisposition.STABLE,
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EventFormatVersions.V1,
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StateResolutionVersions.V2,
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)
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V3 = RoomVersion(
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"3",
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RoomDisposition.STABLE,
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EventFormatVersions.V2,
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StateResolutionVersions.V2,
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)
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V4 = RoomVersion(
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"4",
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RoomDisposition.STABLE,
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EventFormatVersions.V3,
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StateResolutionVersions.V2,
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)
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KNOWN_ROOM_VERSIONS = {
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v.identifier: v for v in (
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RoomVersions.V1,
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RoomVersions.V2,
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RoomVersions.V3,
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RoomVersions.STATE_V2_TEST,
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RoomVersions.V4,
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)
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} # type: dict[str, RoomVersion]
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