Implements .clear with hash deletion.

This would've been implemented by MutableMapping, but that
implementation is O(n) instead of O(1) since it just iterates the
entire hash and does HDEL. Feels wasteful.

1 files changed, 4 insertions, 0 deletions

diff --git a/bot/utils/redis.py b/bot/utils/redis_dict.py
index 470de47b7..b2fd7d2e9 100644
--- a/bot/utils/redis.py
+++ b/bot/utils/redis_dict.py
@@ -78,3 +78,7 @@ class RedisDict(MutableMapping):
     def copy(self) -> Dict:
         """Convert to dict and return."""
         return dict(self.items())
+
+    def clear(self) -> None:
+        """Deletes the entire hash from the Redis cache."""
+        self._redis.delete(self._namespace)