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authorErik Johnston <erik@matrix.org>2017-03-20 17:25:41 +0000
committerErik Johnston <erik@matrix.org>2017-03-20 17:25:41 +0000
commite0e214556a82370528ef1f9943773c42270c5336 (patch)
tree7fcbb016a63202eb1733e6b69a4999ba94193e8c /synapse/util/caches
parentMerge pull request #2028 from majewsky/readme-fix-1 (diff)
parentBump changelog and version (diff)
downloadsynapse-e0e214556a82370528ef1f9943773c42270c5336.tar.xz
Merge branch 'release-v0.19.3' of github.com:matrix-org/synapse v0.19.3
Diffstat (limited to 'synapse/util/caches')
-rw-r--r--synapse/util/caches/expiringcache.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py
index 2987c38a2d..cbdde34a57 100644
--- a/synapse/util/caches/expiringcache.py
+++ b/synapse/util/caches/expiringcache.py
@@ -100,6 +100,13 @@ class ExpiringCache(object):
         except KeyError:
             return default
 
+    def setdefault(self, key, value):
+        try:
+            return self[key]
+        except KeyError:
+            self[key] = value
+            return value
+
     def _prune_cache(self):
         if not self._expiry_ms:
             # zero expiry time means don't expire. This should never get called