diff options
| -rw-r--r-- | synapse/util/async.py | 9 | ||||
| -rw-r--r-- | synapse/util/caches/descriptors.py | 4 |
2 files changed, 11 insertions, 2 deletions
diff --git a/synapse/util/async.py b/synapse/util/async.py index 0d6f48e2d8..40be7fe7e3 100644 --- a/synapse/util/async.py +++ b/synapse/util/async.py @@ -102,6 +102,15 @@ class ObservableDeferred(object): def observers(self): return self._observers + def has_called(self): + return self._result is not None + + def has_succeeded(self): + return self._result is not None and self._result[0] is True + + def get_result(self): + return self._result[1] + def __getattr__(self, name): return getattr(self._deferred, name) diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index f48ff29c6a..31c2632573 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -321,12 +321,12 @@ class CacheListDescriptor(object): try: res = cache.get(tuple(key)) - if not res.called: + if not res.has_succeeded(): res = res.observe() res.addCallback(lambda r, arg: (arg, r), arg) cached_defers[arg] = res else: - results[arg] = res.result + results[arg] = res.get_result() except KeyError: missing.append(arg) |