_init(locals()) set everything except for self and privates. fix #893

tensorpack/dataflow/imgaug/base.py

@@ -25,7 +25,7 @@ class Augmentor(object):
     def _init(self, params=None):
         if params:
             for k, v in params.items():
-                if k != 'self':
+                if k != 'self' and not k.startswith('_'):
                     setattr(self, k, v)
 
     def reset_state(self):

tensorpack/dataflow/imgaug/transform.py

@@ -42,7 +42,7 @@ class ImageTransform(object):
     def _init(self, params=None):
         if params:
             for k, v in params.items():
-                if k != 'self':
+                if k != 'self' and not k.startswith('_'):
                     setattr(self, k, v)
 
     @abstractmethod