information hiding

1 files changed, 10 insertions, 10 deletions

diff --git a/bsfs/graph/graph.py b/bsfs/graph/graph.py
index d5e1b88..71973c2 100644
--- a/bsfs/graph/graph.py
+++ b/bsfs/graph/graph.py
@@ -27,33 +27,33 @@ class Graph():
     """
     """
     # link to the triple storage backend.
-    __backend: TripleStoreBase
+    _backend: TripleStoreBase
 
     # user uri.
-    __user: URI
+    _user: URI
 
     def __init__(self, backend: TripleStoreBase, user: URI):
-        self.__backend = backend
-        self.__user = user
+        self._backend = backend
+        self._user = user
 
     def __hash__(self) -> int:
-        return hash((type(self), self.__backend, self.__user))
+        return hash((type(self), self._backend, self._user))
 
     def __eq__(self, other) -> bool:
         return isinstance(other, type(self)) \
-           and self.__backend == other.__backend \
-           and self.__user == other.__user
+           and self._backend == other._backend \
+           and self._user == other._user
 
     def __repr__(self) -> str:
-        return f'{typename(self)}(backend={repr(self.__backend)}, user={self.__user})'
+        return f'{typename(self)}(backend={repr(self._backend)}, user={self._user})'
 
     def __str__(self) -> str:
-        return f'{typename(self)}({str(self.__backend)}, {self.__user})'
+        return f'{typename(self)}({str(self._backend)}, {self._user})'
 
     @property
     def schema(self) -> Schema:
         """Return the store's local schema."""
-        return self.__backend.schema
+        return self._backend.schema
 
         """
     def nodes(self, node_type: URI, guids: typing.Iterable[URI]) -> _nodes.Nodes: