diff --git a/synapse/push/push_rule_evaluator.py b/synapse/push/push_rule_evaluator.py
index 3a68ce636f..2ce9e444ab 100644
--- a/synapse/push/push_rule_evaluator.py
+++ b/synapse/push/push_rule_evaluator.py
@@ -16,11 +16,10 @@
import logging
import re
-from typing import Any, Dict, List, Optional, Pattern, Union
+from typing import Any, Dict, List, Optional, Pattern, Tuple, Union
from synapse.events import EventBase
from synapse.types import UserID
-from synapse.util.caches import register_cache
from synapse.util.caches.lrucache import LruCache
logger = logging.getLogger(__name__)
@@ -174,20 +173,21 @@ class PushRuleEvaluatorForEvent:
# Similar to _glob_matches, but do not treat display_name as a glob.
r = regex_cache.get((display_name, False, True), None)
if not r:
- r = re.escape(display_name)
- r = _re_word_boundary(r)
- r = re.compile(r, flags=re.IGNORECASE)
+ r1 = re.escape(display_name)
+ r1 = _re_word_boundary(r1)
+ r = re.compile(r1, flags=re.IGNORECASE)
regex_cache[(display_name, False, True)] = r
- return r.search(body)
+ return bool(r.search(body))
def _get_value(self, dotted_key: str) -> Optional[str]:
return self._value_cache.get(dotted_key, None)
# Caches (string, is_glob, word_boundary) -> regex for push. See _glob_matches
-regex_cache = LruCache(50000)
-register_cache("cache", "regex_push_cache", regex_cache)
+regex_cache = LruCache(
+ 50000, "regex_push_cache"
+) # type: LruCache[Tuple[str, bool, bool], Pattern]
def _glob_matches(glob: str, value: str, word_boundary: bool = False) -> bool:
@@ -205,7 +205,7 @@ def _glob_matches(glob: str, value: str, word_boundary: bool = False) -> bool:
if not r:
r = _glob_to_re(glob, word_boundary)
regex_cache[(glob, True, word_boundary)] = r
- return r.search(value)
+ return bool(r.search(value))
except re.error:
logger.warning("Failed to parse glob to regex: %r", glob)
return False
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