pyblish_plugin_in_nuke.py

import pyblish.api
import nuke


class SelectMyInstance2(pyblish.api.Selector):
	"""This is Documentation of SelectMyInstance2"""

    hosts = ["nuke"]  # Only compatible with Nuke

    def process(self, context):
        instance = context.create_instance(name="MyInstance")
        instance.set_data("family", "my")

        for node in nuke.selectedNodes():
            instance.add(node)


# -----------------------------
import pyblish.api


@pyblish.api.log
class ValidateInstance(pyblish.api.Validator):
    hosts = ["nuke"]
    families = ["rig"]

    def process(self, instance):
        if not "MyNode" in instance:
            raise pyblish.api.ValidationError("'MyNode' must exist in Maya scene")

pyblish.api.register_plugin(SelectMyInstance2)
pyblish.api.register_plugin(ValidateInstance)

import pyblish_nuke
pyblish_nuke.show()