fix(node.py): Fix CN(new_allowed=True)

ntc/node.py

@@ -362,6 +362,7 @@ def _init_with_base(self, base: Union[dict, CfgNode]) -> None:
             self._hooks = base._hooks + self._hooks
             self._set_attrs(base.attrs)
             self._desc = base._desc
+            self._new_allowed = base._new_allowed
             self.freeze_schema()
         elif isinstance(base, dict):
             for key, value in base.items():

requirements.txt

@@ -0,0 +1,3 @@
+-e .
+-r requirements.dev
+-r tests/requirements.txt

tests/data/bad/bad_attr.py

@@ -3,4 +3,4 @@
 from ..good.good import cfg
 
 cfg = CN(cfg)
-cfg.NEW = "bar"
+cfg.BAR = "bar"

tests/data/base_cfg.py

@@ -14,6 +14,7 @@
 cfg.CLASSES = CN(BaseClass)
 cfg.SUBCLASS = BaseClass
 cfg.SUBCLASSES = CN(CL(None, BaseClass, subclass=True))
+cfg.NEW = CN(new_allowed=True)
 
 
 def transform(cfg: CN):

tests/data/good/new_allowed.py

@@ -0,0 +1,5 @@
+from ntc import CN
+from tests.data.base_cfg import cfg
+
+cfg = CN(cfg)
+cfg.NEW.one = "one"

tests/test_good.py

@@ -110,3 +110,8 @@ def test_inheritance_changes_multiple_loads():
 
     assert cfg1.DICT.BAR == "BAZ"
     assert cfg2.DICT.BAR == "QUUX"
+
+
+def test_new_allowed():
+    cfg = CN.load(DATA_DIR / "new_allowed.py")
+    assert cfg.NEW.one == "one"