remove Serializable mixin and related code

chaco/abstract_mapper.py

@@ -57,7 +57,3 @@ def __getstate__(self):
                 del state[key]
 
         return state
-
-    def _post_load(self):
-        self._cache_valid = False
-        self._range_changed(None, self.range)

chaco/array_data_source.py

@@ -307,8 +307,3 @@ def __getstate__(self):
             state.pop("_min_index", None)
             state.pop("_max_index", None)
         return state
-
-    def _post_load(self):
-        super(ArrayDataSource, self)._post_load()
-        self._cached_bounds = ()
-        self._cached_mask = None

chaco/barplot.py

@@ -326,9 +326,6 @@ def _render_icon(self, gc, x, y, width, height):
             gc.rect(x+width/4, y+height/4, width/2, height/2)
             gc.draw_path(FILL_STROKE)
 
-    def _post_load(self):
-        super(BarPlot, self)._post_load()
-
     #------------------------------------------------------------------------
     # Properties
     #------------------------------------------------------------------------

chaco/base_xy_plot.py

@@ -492,13 +492,6 @@ def _draw_default_axes(self, gc):
                     gc.line_to(int(end[0]), int(end[1]))
                     gc.stroke_path()
 
-    def _post_load(self):
-        super(BaseXYPlot, self)._post_load()
-        self._update_mappers()
-        self.invalidate_draw()
-        self._cache_valid = False
-        self._screen_cache_valid = False
-
     def _update_subdivision(self):
         pass
 

chaco/data_range_1d.py

@@ -383,13 +383,6 @@ def _sources_changed(self, old, new):
         for source in new:
             source.observe(self.refresh, "data_changed")
 
-    #------------------------------------------------------------------------
-    # Serialization interface
-    #------------------------------------------------------------------------
-
-    def _post_load(self):
-        self._sources_changed(None, self.sources)
-
 
 ###### method to calculate bounds for a given 1-dimensional set of data
 def calc_bounds(low_set, high_set, mins, maxes, epsilon, tight_bounds,

chaco/grid.py

@@ -401,9 +401,3 @@ def __getstate__(self):
                 del state[key]
 
         return state
-
-    def _post_load(self):
-        super(PlotGrid, self)._post_load()
-        self._mapper_changed(None, self.mapper)
-        self._reset_cache()
-        self._cache_valid = False

chaco/tests/test_arraydatasource.py

@@ -239,23 +239,6 @@ def test_serialization_state_no_persist(self):
                     "_max_index"]:
             self.assertIn(key, state)
 
-    @unittest.skip("I think this is just broken")
-    def test_serialization_post_load(self):
-        self.data_source.set_mask(self.mymask)
-
-        pickled_data_source = pickle.dumps(self.data_source)
-        unpickled_data_source = pickle.loads(pickled_data_source)
-        unpickled_data_source._post_load()
-
-        self.assertEqual(unpickled_data_source._cached_bounds, ())
-        self.assertEqual(unpickled_data_source._cached_mask, None)
-
-        assert_array_equal(self.data_source.get_data(),
-                           unpickled_data_source.get_data())
-
-        mask = unpickled_data_source.get_data_mask()[1]
-        assert_array_equal(mask, ones(10))
-
 
 class PointDataTestCase(unittest.TestCase):
     # Since PointData is mostly the same as ScalarData, the key things to