fix window stride and size

iwslt2011.py

@@ -65,44 +65,25 @@ class TaggingTask:
     """Treat punctuation prediction as a sequence tagging problem."""
 
     def __init__(
-        self, window_size=120, window_stride_in_percent=0.5, include_reference=False
+        self, window_size=120, window_stride=60
     ):
         self.window_size = window_size
-        self.window_stride_in_percent = window_stride_in_percent
-        self.include_reference = include_reference
+        self.window_stride = window_stride
 
     def __eq__(self, other):
         return Task.TAGGING == other
 
-class DecodingStrategy:
-    """Strategy used to decode results."""
-
-    def __init__(
-        self, task: Union[TaggingTask]
-    ):
-        self.task = task
-
-    @abstractmethod
-    def decode():
-        pass
-
-class AverageDecodingStrategy:
-    """Averages predictions together."""
-
-    def decode():
-        pass
-
 class IWSLT11Config(datasets.BuilderConfig):
     """The IWSLT11 Dataset."""
 
     def __init__(
         self,
-        task: Union[TaggingTask] = TaggingTask(),
         segmented: bool = False,
         asr_or_ref: str = "ref",
-        decoder: DecodingStrategy = AverageDecodingStrategy(),
         tokenizer = None,
         label_subword = LabelSubword.IGNORE,
+        window_size = None,
+        window_stride = None,
         **kwargs
     ):
         """BuilderConfig for IWSLT2011.
@@ -111,10 +92,13 @@ class IWSLT11Config(datasets.BuilderConfig):
           segmented: if segmentation present in IWSLT2011 should be respected. removes segmenation by default.
           **kwargs: keyword arguments forwarded to super.
         """
-        self.task = task
+        self.task = TaggingTask()
+        if window_size is not None:
+            self.task.window_size = window_size
+        if window_stride is not None:
+            self.task.window_stride = window_stride
         self.segmented = segmented
         self.asr_or_ref = asr_or_ref
-        self.decoder = decoder
         self.punctuation = [
             Punctuation.NONE,
             Punctuation.PERIOD,
@@ -258,7 +242,7 @@ class IWSLT11(datasets.GeneratorBasedBuilder):
                 return window(
                     l,
                     self.config.task.window_size,
-                    int(self.config.task.window_size*self.config.task.window_stride_in_percent)
+                    self.config.task.window_stride
                 )
             ids = apply_window(np.arange(len(tokens)))
             tokens = apply_window(tokens)