Method validate_coerce

_plotly_utils/basevalidators.py:2632–2696

(self, v, skip_invalid=False, _validate=True)

        return self._class_map[trace_name]

    def validate_coerce(self, v, skip_invalid=False, _validate=True):
        from plotly.basedatatypes import BaseTraceType

        # Import Histogram2dcontour, this is the deprecated name of the
        # Histogram2dContour trace.
        from plotly.graph_objs import Histogram2dcontour

        if v is None:
            v = []
        else:
            if not isinstance(v, (list, tuple)):
                v = [v]

            res = []
            invalid_els = []
            for v_el in v:
                if isinstance(v_el, BaseTraceType):
                    if isinstance(v_el, Histogram2dcontour):
                        v_el = dict(type="histogram2dcontour", **v_el._props)
                    else:
                        v_el = v_el._props

                if isinstance(v_el, dict):
                    type_in_v_el = "type" in v_el
                    trace_type = v_el.pop("type", "scatter")

                    if trace_type not in self.class_strs_map:
                        if skip_invalid:
                            # Treat as scatter trace
                            trace = self.get_trace_class("scatter")(
                                skip_invalid=skip_invalid, _validate=_validate, **v_el
                            )
                            res.append(trace)
                        else:
                            res.append(None)
                            invalid_els.append(v_el)
                    else:
                        trace = self.get_trace_class(trace_type)(
                            skip_invalid=skip_invalid, _validate=_validate, **v_el
                        )
                        res.append(trace)

                    if type_in_v_el:
                        # Restore type in v_el
                        v_el["type"] = trace_type
                else:
                    if skip_invalid:
                        # Add empty scatter trace
                        trace = self.get_trace_class("scatter")()
                        res.append(trace)
                    else:
                        res.append(None)
                        invalid_els.append(v_el)

            if invalid_els:
                self.raise_invalid_elements(invalid_els)

            v = to_scalar_or_list(res)