Resolve "implement lazy data preprocessing"

Closes #292 (closed)

mlair/data_handler/data_handler_kz_filter.py

@@ -38,10 +38,7 @@ class DataHandlerKzFilterSingleStation(DataHandlerSingleStation):
     def _check_sampling(self, **kwargs):
         assert kwargs.get("sampling") == "hourly"  # This data handler requires hourly data resolution
 
-    def setup_samples(self):
-        """
-        Setup samples. This method prepares and creates samples X, and labels Y.
-        """
+    def make_input_target(self):
         data, self.meta = self.load_data(self.path, self.station, self.statistics_per_var, self.sampling,
                                          self.station_type, self.network, self.store_data_locally, self.data_origin)
         self._data = self.interpolate(data, dim=self.time_dim, method=self.interpolation_method,
@@ -54,9 +51,6 @@ class DataHandlerKzFilterSingleStation(DataHandlerSingleStation):
         # import matplotlib.pyplot as plt
         # self.input_data.sel(filter="74d", variables="temp", Stations="DEBW107").plot()
         # self.input_data.sel(variables="temp", Stations="DEBW107").plot.line(hue="filter")
-        if self.do_transformation is True:
-            self.call_transform()
-        self.make_samples()
 
     @TimeTrackingWrapper
     def apply_kz_filter(self):
@@ -88,6 +82,7 @@ class DataHandlerKzFilterSingleStation(DataHandlerSingleStation):
         return self.history.transpose(self.time_dim, self.window_dim, self.iter_dim, self.target_dim,
                                       self.filter_dim).copy()
 
+
 class DataHandlerKzFilter(DefaultDataHandler):
     """Data handler using kz filtered data."""