Function shape

bqplot/marks.py:49–57

(*dimensions)

# Shape constraint for array-types
def shape(*dimensions):
    def validator(trait, value):
        err_msg_tmpl = 'Expected an array of shape {} ' + \
                       'but got an array of shape {}'
        if value.shape != dimensions:
            raise TraitError(err_msg_tmpl.format(dimensions, value.shape))
        else:
            return value
    return validator


class Mark(Widget):