saving ok (preliminary version) and filter now inherit parent name

api_test.py

@@ -132,7 +132,6 @@ stream0.put(data_a[0])
 fo = StreamFile('api_test2.h5', mode='w')
 stream = Stream('test')
 save_filter = stream.save(fo)
-print(save_filter.name)
 for i in range(data_a.shape[0]):
     stream.put(data_a[i])
 
@@ -141,7 +140,7 @@ for i in range(data_a.shape[0]):
 fi = StreamFile('api_test2.h5', mode='r')
 stream = Stream('test', fi)
 data = stream.load()
-print(data.shape)
+assert(np.array_equal(data, data_a))
 
 ###########
 

bob/io/stream/stream.py

@@ -228,7 +228,8 @@ def stream_filter(name):
 class StreamFilter(Stream):
     def __init__(self, name, parent, process_frame=None):
         self.__process_frame = process_frame
-        super().__init__(name=name, parent=parent)
+        self.filter_name = name
+        super().__init__(name=parent.name, parent=parent)
 
     def process(self, data, indices):
         assert isinstance(indices, list)