Replace str constants with Membership attributes

synapse/rest/client/v2_alpha/sync.py

@@ -262,20 +262,20 @@ async def encode_response(self, time_now, sync_result, access_token_id, filter):
             ] = sync_result.device_unused_fallback_key_types
 
         if joined:
-            response["rooms"]["join"] = joined
+            response["rooms"][Membership.JOIN] = joined
         if invited:
-            response["rooms"]["invite"] = invited
+            response["rooms"][Membership.INVITE] = invited
         if knocked:
-            response["rooms"]["knock"] = knocked
+            response["rooms"][Membership.KNOCK] = knocked
         if archived:
-            response["rooms"]["leave"] = archived
+            response["rooms"][Membership.LEAVE] = archived
 
         if sync_result.groups.join:
-            response["groups"]["join"] = sync_result.groups.join
+            response["groups"][Membership.JOIN] = sync_result.groups.join
         if sync_result.groups.invite:
-            response["groups"]["invite"] = sync_result.groups.invite
+            response["groups"][Membership.INVITE] = sync_result.groups.invite
         if sync_result.groups.leave:
-            response["groups"]["leave"] = sync_result.groups.leave
+            response["groups"][Membership.LEAVE] = sync_result.groups.leave
 
         return response
 

tests/rest/client/v2_alpha/test_sync.py

@@ -15,7 +15,12 @@
 import json
 
 import synapse.rest.admin
-from synapse.api.constants import EventContentFields, EventTypes, RelationTypes
+from synapse.api.constants import (
+    EventContentFields,
+    EventTypes,
+    Membership,
+    RelationTypes,
+)
 from synapse.rest.client.v1 import login, room
 from synapse.rest.client.v2_alpha import knock, read_marker, sync
 
@@ -343,7 +348,7 @@ def test_knock_room_state(self):
 
         # We expect to see the knock event in the stripped room state later
         self.expected_room_state[EventTypes.Member] = {
-            "content": {"membership": "knock", "displayname": "knocker"},
+            "content": {"membership": Membership.KNOCK, "displayname": "knocker"},
             "state_key": "@knocker:test",
         }
 
@@ -356,7 +361,7 @@ def test_knock_room_state(self):
         self.assertEqual(channel.code, 200, channel.json_body)
 
         # Extract the stripped room state events from /sync
-        knock_entry = channel.json_body["rooms"]["knock"]
+        knock_entry = channel.json_body["rooms"][Membership.KNOCK]
         room_state_events = knock_entry[self.room_id]["knock_state"]["events"]
 
         # Validate that the knock membership event came last

tests/server_notices/test_resource_limits_server_notices.py

@@ -16,7 +16,12 @@
 
 from twisted.internet import defer
 
-from synapse.api.constants import EventTypes, LimitBlockingTypes, ServerNoticeMsgType
+from synapse.api.constants import (
+    EventTypes,
+    LimitBlockingTypes,
+    Membership,
+    ServerNoticeMsgType,
+)
 from synapse.api.errors import ResourceLimitError
 from synapse.rest import admin
 from synapse.rest.client.v1 import login, room
@@ -322,7 +327,9 @@ def test_invite_with_notice(self):
 
         # Scan the events in the room to search for a message from the server notices
         # user.
-        events = channel.json_body["rooms"]["join"][room_id]["timeline"]["events"]
+        events = channel.json_body["rooms"][Membership.JOIN][room_id]["timeline"][
+            "events"
+        ]
         notice_in_room = False
         for event in events:
             if (
@@ -366,7 +373,7 @@ def _trigger_notice_and_join(self):
             # invite to a system notices room, but it doesn't matter which user we're
             # using so we use the last one because it saves us an extra sync.
             if "rooms" in channel.json_body:
-                invites = channel.json_body["rooms"]["invite"]
+                invites = channel.json_body["rooms"][Membership.INVITE]
 
         # Make sure we have an invite to process.
         self.assertEqual(len(invites), 1, invites)