Ensure dotdict/apidict doesn't have a __dict__

Author: pjkundert

dotdict.py

@@ -379,6 +379,7 @@ def __copy__( self ):
 
 
 class dotdict( dotdict_base, dict ):
+    __slots__			= ()
     pass
 
 
@@ -453,11 +454,13 @@ def get( self, key, default=None ):
 
 
 class apidict_threading( apidict_base):
+    __slots__			= ()
     _sync_mod			= threading
 
 
 class apidict( apidict_base ):
     """Works in both threading and multiprocessing environments."""
+    __slots__			= ()
     _sync_mod			= multiprocessing
 
 

dotdict_test.py

@@ -17,6 +17,15 @@
 from .dotdict import dotdict, apidict, make_apidict_proxy
 
 
+def test_dotdict_slots():
+    # Ensure resultant dotdict doesn't have a __dict__
+
+    dd			= dotdict( a=1, b=dict( c=3 ))
+    assert not hasattr( dd, '__dict__' )
+
+    ad			= apidict( 1.0, dd )
+    assert not hasattr( ad, '__dict__' )
+
 def test_dotdict_smoke():
     # Like dict, construct from mapping, iterable and/or keywords
     assert "a" in dotdict({"a":1})