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Collect room-version variations into one place (#4969)

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Collect all the things that make room-versions different to one another into
one place, so that it's easier to define new room versions.
This commit is contained in:
Richard van der Hoff 2019-04-01 10:24:38 +01:00 • committed by GitHub
parent 215c15d049
commit 54a87a7b08
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28 changed files with 222 additions and 168 deletions
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29
synapse/federation/federation_client.py
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@ -25,12 +25,7 @@ from prometheus_client import Counter
from twisted.internet import defer
from synapse.api.constants import (
KNOWN_ROOM_VERSIONS,
EventTypes,
Membership,
RoomVersions,
)
from synapse.api.constants import EventTypes, Membership
from synapse.api.errors import (
CodeMessageException,
Codes,
@ -38,6 +33,11 @@ from synapse.api.errors import (
HttpResponseException,
SynapseError,
)
from synapse.api.room_versions import (
KNOWN_ROOM_VERSIONS,
EventFormatVersions,
RoomVersions,
)
from synapse.events import builder, room_version_to_event_format
from synapse.federation.federation_base import FederationBase, event_from_pdu_json
from synapse.util import logcontext, unwrapFirstError
@ -570,7 +570,7 @@ class FederationClient(FederationBase):
Deferred[tuple[str, FrozenEvent, int]]: resolves to a tuple of
`(origin, event, event_format)` where origin is the remote
homeserver which generated the event, and event_format is one of
`synapse.api.constants.EventFormatVersions`.
`synapse.api.room_versions.EventFormatVersions`.
Fails with a ``SynapseError`` if the chosen remote server
returns a 300/400 code.
@ -592,7 +592,7 @@ class FederationClient(FederationBase):
# Note: If not supplied, the room version may be either v1 or v2,
# however either way the event format version will be v1.
room_version = ret.get("room_version", RoomVersions.V1)
room_version = ret.get("room_version", RoomVersions.V1.identifier)
event_format = room_version_to_event_format(room_version)
pdu_dict = ret.get("event", None)
@ -695,7 +695,9 @@ class FederationClient(FederationBase):
room_version = None
for e in state:
if (e.type, e.state_key) == (EventTypes.Create, ""):
room_version = e.content.get("room_version", RoomVersions.V1)
room_version = e.content.get(
"room_version", RoomVersions.V1.identifier
)
break
if room_version is None:
@ -802,11 +804,10 @@ class FederationClient(FederationBase):
raise err
# Otherwise, we assume that the remote server doesn't understand
# the v2 invite API.
if room_version in (RoomVersions.V1, RoomVersions.V2):
pass # We'll fall through
else:
# the v2 invite API. That's ok provided the room uses old-style event
# IDs.
v = KNOWN_ROOM_VERSIONS.get(room_version)
if v.event_format != EventFormatVersions.V1:
raise SynapseError(
400,
"User's homeserver does not support this room version",