Class LiteralValidator

_plotly_utils/basevalidators.py:2242–2262

Validator for readonly literal values

class LiteralValidator(BaseValidator):
    """
    Validator for readonly literal values
    """

    def __init__(self, plotly_name, parent_name, val, **kwargs):
        super(LiteralValidator, self).__init__(
            plotly_name=plotly_name, parent_name=parent_name, **kwargs
        )
        self.val = val

    def validate_coerce(self, v):
        if v != self.val:
            raise ValueError(
                """\
    The '{plotly_name}' property of {parent_name} is read-only""".format(
                    plotly_name=self.plotly_name, parent_name=self.parent_name
                )
            )
        else:
            return v


class DashValidator(EnumeratedValidator):