Use type hinting generics in standard collections (#19046)

aka PEP 585, added in Python 3.9

 - https://peps.python.org/pep-0585/
 - https://docs.astral.sh/ruff/rules/non-pep585-annotation/

synapse/synapse_rust/acl.pyi

@@ -13,10 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from typing import List
-
 class ServerAclEvaluator:
     def __init__(
-        self, allow_ip_literals: bool, allow: List[str], deny: List[str]
+        self, allow_ip_literals: bool, allow: list[str], deny: list[str]
     ) -> None: ...
     def server_matches_acl_event(self, server_name: str) -> bool: ...

synapse/synapse_rust/events.pyi

@@ -10,7 +10,7 @@
 # See the GNU Affero General Public License for more details:
 # <https://www.gnu.org/licenses/agpl-3.0.html>.
 
-from typing import List, Mapping, Optional, Tuple
+from typing import Mapping, Optional
 
 from synapse.types import JsonDict
 
@@ -115,7 +115,7 @@ def event_visible_to_server(
     history_visibility: str,
     erased_senders: Mapping[str, bool],
     partial_state_invisible: bool,
-    memberships: List[Tuple[str, str]],
+    memberships: list[tuple[str, str]],
 ) -> bool:
     """Determine whether the server is allowed to see the unredacted event.
 

synapse/synapse_rust/push.pyi

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from typing import Any, Collection, Dict, Mapping, Optional, Sequence, Tuple, Union
+from typing import Any, Collection, Mapping, Optional, Sequence, Union
 
 from synapse.types import JsonDict, JsonValue
 
@@ -43,7 +43,7 @@ class FilteredPushRules:
     def __init__(
         self,
         push_rules: PushRules,
-        enabled_map: Dict[str, bool],
+        enabled_map: dict[str, bool],
         msc1767_enabled: bool,
         msc3381_polls_enabled: bool,
         msc3664_enabled: bool,
@@ -51,7 +51,7 @@ class FilteredPushRules:
         msc4210_enabled: bool,
         msc4306_enabled: bool,
     ): ...
-    def rules(self) -> Collection[Tuple[PushRule, bool]]: ...
+    def rules(self) -> Collection[tuple[PushRule, bool]]: ...
 
 def get_base_rule_ids() -> Collection[str]: ...
 
@@ -65,7 +65,7 @@ class PushRuleEvaluator:
         notification_power_levels: Mapping[str, int],
         related_events_flattened: Mapping[str, Mapping[str, JsonValue]],
         related_event_match_enabled: bool,
-        room_version_feature_flags: Tuple[str, ...],
+        room_version_feature_flags: tuple[str, ...],
         msc3931_enabled: bool,
         msc4210_enabled: bool,
         msc4306_enabled: bool,

synapse/synapse_rust/segmenter.pyi

@@ -1,3 +1 @@
-from typing import List
-
-def parse_words(text: str) -> List[str]: ...
+def parse_words(text: str) -> list[str]: ...