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validate_backdrop

SelectCenterInNodeGraph

Bases: Action

Centering failed instance node in node grap

Source code in client/ayon_nuke/plugins/publish/validate_backdrop.py 
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class SelectCenterInNodeGraph(pyblish.api.Action):
    """
    Centering failed instance node in node grap
    """

    label = "Center node in node graph"
    icon = "wrench"
    on = "failed"

    def process(self, context, plugin):

        # Get the errored instances
        failed = []
        for result in context.data["results"]:
            if (result["error"] is not None and result["instance"] is not None
               and result["instance"] not in failed):
                failed.append(result["instance"])

        # Apply pyblish.logic to get the instances for the plug-in
        instances = pyblish.api.instances_by_plugin(failed, plugin)

        all_xC = []
        all_yC = []

        # maintain selection
        with napi.maintained_selection():
            # collect all failed nodes xpos and ypos
            for instance in instances:
                bdn = instance.data["transientData"]["node"]
                xC = bdn.xpos() + bdn.screenWidth() / 2
                yC = bdn.ypos() + bdn.screenHeight() / 2

                all_xC.append(xC)
                all_yC.append(yC)

        self.log.debug("all_xC: `{}`".format(all_xC))
        self.log.debug("all_yC: `{}`".format(all_yC))

        # zoom to nodes in node graph
        nuke.zoom(2, [min(all_xC), min(all_yC)])

ValidateBackdrop

Bases: InstancePlugin, OptionalPyblishPluginMixin

Validate amount of nodes on backdrop node in case user forgotten to add nodes above the publishing backdrop node.

Source code in client/ayon_nuke/plugins/publish/validate_backdrop.py 
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class ValidateBackdrop(
    pyblish.api.InstancePlugin,
    OptionalPyblishPluginMixin
):
    """ Validate amount of nodes on backdrop node in case user
    forgotten to add nodes above the publishing backdrop node.
    """

    order = ValidateContentsOrder
    optional = True
    families = ["nukenodes"]
    label = "Validate Backdrop"
    hosts = ["nuke"]
    actions = [SelectCenterInNodeGraph]

    settings_category = "nuke"

    def process(self, instance):
        if not self.is_active(instance.data):
            return

        child_nodes = instance.data["transientData"]["childNodes"]
        connections_out = instance.data["transientData"]["nodeConnectionsOut"]

        msg_multiple_outputs = (
            "Only one outcoming connection from "
            "\"{}\" is allowed").format(instance.data["name"])

        if len(connections_out.keys()) > 1:
            raise PublishXmlValidationError(
                self,
                msg_multiple_outputs,
                "multiple_outputs"
            )

        msg_no_nodes = "No content on backdrop node: \"{}\"".format(
            instance.data["name"])

        self.log.debug(
            "Amount of nodes on instance: {}".format(
                len(child_nodes))
        )

        if child_nodes == []:
            raise PublishXmlValidationError(
                self,
                msg_no_nodes,
                "no_nodes"
            )