delete unused Visualization.grouped_data()

bijoe/visualization/utils.py

@@ -215,34 +215,6 @@ class Visualization(object):
             table.append([self.measure.label, value])
         return table
 
-    def grouped_data(self):
-        data = self.stringified()
-        dims = len(self.drilldown)
-        if not dims:
-            return ([(v, 0) for v in row] for row in data)
-        grouped = OrderedDict()
-        for row in data:
-            d = grouped
-            for cell in row[:dims - 1]:
-                dim = cell['value']
-                if dim not in d:
-                    d[dim] = OrderedDict(), 1
-                else:
-                    d[dim] = d[dim][0], d[dim][1] + 1
-                d, count = d[dim]
-            d[row[dims - 1]['value']] = row[dims:], 0
-
-        def helper(d, prefix=[]):
-            for key in d:
-                row, count = d[key]
-                if count == 0:
-                    yield prefix + [(key, 1)] + [(v, 0) for v in row]
-                else:
-                    for r in helper(row, prefix + [(key, count)]):
-                        yield r
-                prefix = []
-        return helper(grouped)
-
     def javascript(self):
         l = []
         l.append('var measure = %s;' % json.dumps(self.measure.to_json()))