add prefix property to subhub

semiversus · Oct 11, 2018 · 607a48c · 607a48c
1 parent d2c0001
commit 607a48c
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/broqer/hub/hub.py b/broqer/hub/hub.py
@@ -271,3 +271,8 @@ def __init__(self, hub: Hub, prefix: str) -> None:
 
     def __getitem__(self, topic: str) -> Topic:
         return self._hub[self._prefix + topic]
+
+    @property
+    def prefix(self):
+        """ the prefix of this sub hub """
+        return self._prefix[:-1]
diff --git a/test/test_hub.py b/test/test_hub.py
@@ -204,4 +204,5 @@ def test_sub_hub():
 
     sub_hub['value3'].assign(Value(3))
 
-    assert hub['prefix.value3'] is sub_hub['value3']
+    assert hub['prefix.value3'] is sub_hub['value3']
+    assert sub_hub.prefix == 'prefix'