def max_length(self):
        l = 0

        if self.type == six.text_type:
            l = max(len(d) if d else 0 for d in self)

            if self.has_nulls():
                l = max(l, 4)  # "None"

        return l
Return a list of ``Action`` instances for the actions in this node.
dataset/ETHPy150Open wireservice/csvkit/csvkit/table.py/Column.max_length--crossover with--dataset/ETHPy150Open jonathanslenders/python-deployer/deployer/inspection/inspector.py/Inspector.get_actions