Use inline type hints in `handlers/` and `rest/`. (#10382)

1 files changed, 11 insertions, 11 deletions

diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 0209aee186..5c4463583e 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -181,7 +181,7 @@ class FederationHandler(BaseHandler):
 
         # When joining a room we need to queue any events for that room up.
         # For each room, a list of (pdu, origin) tuples.
-        self.room_queues = {}  # type: Dict[str, List[Tuple[EventBase, str]]]
+        self.room_queues: Dict[str, List[Tuple[EventBase, str]]] = {}
         self._room_pdu_linearizer = Linearizer("fed_room_pdu")
 
         self._room_backfill = Linearizer("room_backfill")
@@ -368,7 +368,7 @@ class FederationHandler(BaseHandler):
                     ours = await self.state_store.get_state_groups_ids(room_id, seen)
 
                     # state_maps is a list of mappings from (type, state_key) to event_id
-                    state_maps = list(ours.values())  # type: List[StateMap[str]]
+                    state_maps: List[StateMap[str]] = list(ours.values())
 
                     # we don't need this any more, let's delete it.
                     del ours
@@ -845,7 +845,7 @@ class FederationHandler(BaseHandler):
                 # exact key to expect. Otherwise check it matches any key we
                 # have for that device.
 
-                current_keys = []  # type: Container[str]
+                current_keys: Container[str] = []
 
                 if device:
                     keys = device.get("keys", {}).get("keys", {})
@@ -1185,7 +1185,7 @@ class FederationHandler(BaseHandler):
                 if e_type == EventTypes.Member and event.membership == Membership.JOIN
             ]
 
-            joined_domains = {}  # type: Dict[str, int]
+            joined_domains: Dict[str, int] = {}
             for u, d in joined_users:
                 try:
                     dom = get_domain_from_id(u)
@@ -1314,7 +1314,7 @@ class FederationHandler(BaseHandler):
 
         room_version = await self.store.get_room_version(room_id)
 
-        event_map = {}  # type: Dict[str, EventBase]
+        event_map: Dict[str, EventBase] = {}
 
         async def get_event(event_id: str):
             with nested_logging_context(event_id):
@@ -1596,7 +1596,7 @@ class FederationHandler(BaseHandler):
 
         # Ask the remote server to create a valid knock event for us. Once received,
         # we sign the event
-        params = {"ver": supported_room_versions}  # type: Dict[str, Iterable[str]]
+        params: Dict[str, Iterable[str]] = {"ver": supported_room_versions}
         origin, event, event_format_version = await self._make_and_verify_event(
             target_hosts, room_id, knockee, Membership.KNOCK, content, params=params
         )
@@ -2453,14 +2453,14 @@ class FederationHandler(BaseHandler):
             state_sets_d = await self.state_store.get_state_groups(
                 event.room_id, extrem_ids
             )
-            state_sets = list(state_sets_d.values())  # type: List[Iterable[EventBase]]
+            state_sets: List[Iterable[EventBase]] = list(state_sets_d.values())
             state_sets.append(state)
             current_states = await self.state_handler.resolve_events(
                 room_version, state_sets, event
             )
-            current_state_ids = {
+            current_state_ids: StateMap[str] = {
                 k: e.event_id for k, e in current_states.items()
-            }  # type: StateMap[str]
+            }
         else:
             current_state_ids = await self.state_handler.get_current_state_ids(
                 event.room_id, latest_event_ids=extrem_ids
@@ -2817,7 +2817,7 @@ class FederationHandler(BaseHandler):
         """
         # exclude the state key of the new event from the current_state in the context.
         if event.is_state():
-            event_key = (event.type, event.state_key)  # type: Optional[Tuple[str, str]]
+            event_key: Optional[Tuple[str, str]] = (event.type, event.state_key)
         else:
             event_key = None
         state_updates = {
@@ -3156,7 +3156,7 @@ class FederationHandler(BaseHandler):
 
         logger.debug("Checking auth on event %r", event.content)
 
-        last_exception = None  # type: Optional[Exception]
+        last_exception: Optional[Exception] = None
 
         # for each public key in the 3pid invite event
         for public_key_object in event_auth.get_public_keys(invite_event):