lock _states to prevent size change during iteration

2016-02-14 06:34:00 +01:00 · 2016-02-14 06:34:00 +01:00 · 9e816cfd3f
parent 680f450278
commit 9e816cfd3f
1 changed files with 3 additions and 2 deletions
--- a/homeassistant/core.py
+++ b/homeassistant/core.py
@ -404,8 +404,9 @@ class StateMachine(object):

        domain_filter = domain_filter.lower()

-        return [state.entity_id for state in self._states.values()
-                if state.domain == domain_filter]
+        with self._lock:
+            return [state.entity_id for state in self._states.values()
+                    if state.domain == domain_filter]

    def all(self):
        """Create a list of all states."""