The 'cache_size' property must be mutable; ZODB's historical_connecti…

…on tests depend on it.
zopefoundation · Apr 8, 2015 · 380b6f7 · 380b6f7
1 parent 13aaa3d
commit 380b6f7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/persistent/picklecache.py b/persistent/picklecache.py
@@ -300,7 +300,8 @@ def update_object_size_estimation(self, oid, new_size):
 
             self.total_estimated_size += new_est_size_in_bytes
 
-    cache_size = property(lambda self: self.target_size)
+    cache_size = property(lambda self: self.target_size,
+                          lambda self, nv: setattr(self, 'target_size', nv))
     cache_drain_resistance = property(lambda self: self.drain_resistance)
     cache_non_ghost_count = property(lambda self: self.non_ghost_count)
     cache_data = property(lambda self: dict(self.data.items()))