Setup perspective base class

        Arguments:
            data : dataframe/list/dict
                The static or live datasource

        Keyword Arguments:
            view : str or View
                what view to use. available in the enum View (default: {'hypergrid'})
            columns : list of str
                what columns to display
            rowpivots : list of str
                what names to use as rowpivots
            columnpivots : list of str
                what names to use as columnpivots
            aggregates:  dict(str: str or Aggregate)
                dictionary of name to aggregate type (either string or enum Aggregate)
            index : str
                columns to use as index
            limit : int
                row limit
            computedcolumns : list of dict
                computed columns to set on the perspective viewer
            settings : bool
                display settings
            settings : bool
                embedded mode
            dark : bool
                use dark theme

def setup(self,
              data,
              view='hypergrid',
              schema=None,
              columns=None,
              rowpivots=None,
              columnpivots=None,
              aggregates=None,
              sort=None,
              index='',
              limit=-1,
              computedcolumns=None,
              settings=True,
              embed=False,
              dark=False,
              *args,
              **kwargs):
        '''Setup perspective base class

        Arguments:
            data : dataframe/list/dict
                The static or live datasource

        Keyword Arguments:
            view : str or View
                what view to use. available in the enum View (default: {'hypergrid'})
            columns : list of str
                what columns to display
            rowpivots : list of str
                what names to use as rowpivots
            columnpivots : list of str
                what names to use as columnpivots
            aggregates:  dict(str: str or Aggregate)
                dictionary of name to aggregate type (either string or enum Aggregate)
            index : str
                columns to use as index
            limit : int
                row limit
            computedcolumns : list of dict
                computed columns to set on the perspective viewer
            settings : bool
                display settings
            settings : bool
                embedded mode
            dark : bool
                use dark theme

        '''
        self.view = validate_view(view)
        self.schema = schema or {}
        self.sort = validate_sort(sort) or []
        self.index = index
        self.limit = limit
        self.settings = settings
        self.embed = embed
        self.dark = dark

        self.rowpivots = validate_rowpivots(rowpivots) or []
        self.columnpivots = validate_columnpivots(columnpivots) or []
        self.aggregates = validate_aggregates(aggregates) or {}

        self.columns = validate_columns(columns) or []
        self.computedcolumns = validate_computedcolumns(computedcolumns) or []
        self.load(data)