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authorErik Johnston <erik@matrix.org>2015-08-06 13:37:56 +0100
committerErik Johnston <erik@matrix.org>2015-08-06 13:37:56 +0100
commitf596ff402e49c963b94c398cfb9dbc9d92046b82 (patch)
treecfaaa4e7f18a6379562bcae641cffad37d6b4327 /synapse/util
parentMerge branch 'erikj/cached_keyword_args' of github.com:matrix-org/synapse int... (diff)
parentMerge branch 'erikj/cached_keyword_args' into erikj/cache_deferreds (diff)
downloadsynapse-f596ff402e49c963b94c398cfb9dbc9d92046b82.tar.xz
Merge branch 'erikj/cache_deferreds' into erikj/dictionary_cache
Diffstat (limited to 'synapse/util')
-rw-r--r--synapse/util/async.py9
1 files changed, 7 insertions, 2 deletions
diff --git a/synapse/util/async.py b/synapse/util/async.py
index 5a1d545c96..7bf2d38bb8 100644
--- a/synapse/util/async.py
+++ b/synapse/util/async.py
@@ -51,7 +51,7 @@ class ObservableDeferred(object):
         object.__setattr__(self, "_observers", set())
 
         def callback(r):
-            self._result = (True, r)
+            object.__setattr__(self, "_result", (True, r))
             while self._observers:
                 try:
                     self._observers.pop().callback(r)
@@ -60,7 +60,7 @@ class ObservableDeferred(object):
             return r
 
         def errback(f):
-            self._result = (False, f)
+            object.__setattr__(self, "_result", (False, f))
             while self._observers:
                 try:
                     self._observers.pop().errback(f)
@@ -97,3 +97,8 @@ class ObservableDeferred(object):
 
     def __setattr__(self, name, value):
         setattr(self._deferred, name, value)
+
+    def __repr__(self):
+        return "<ObservableDeferred object at %s, result=%r, _deferred=%r>" % (
+            id(self), self._result, self._deferred,
+        )