Nuke: Expose write knobs - OP-7592

openpype/hosts/nuke/plugins/create/create_write_render.py

@@ -113,6 +113,16 @@ def create(self, subset_name, instance_data, pre_create_data):
                 instance.data_to_store()
             )
 
+            settings = self.project_settings["nuke"]["create"]
+            exposed_knobs = settings["CreateWriteRender"]["exposed_knobs"]
+            write_node = nuke.allNodes(group=instance_node, filter="Write")[0]
+            for knob in exposed_knobs:
+                link = nuke.Link_Knob("")
+                link.makeLink(write_node.name(), knob)
+                link.setName(knob)
+                link.setFlag(0x1000)
+                instance_node.addKnob(link)
+
             return instance
 
         except Exception as er:

openpype/hosts/nuke/plugins/publish/validate_write_nodes.py

@@ -1,5 +1,7 @@
 from collections import defaultdict
 
+import nuke
+
 import pyblish.api
 from openpype.pipeline.publish import get_errored_instances_from_context
 from openpype.hosts.nuke.api.lib import (
@@ -11,6 +13,7 @@
 from openpype.pipeline.publish import (
     PublishXmlValidationError,
     OptionalPyblishPluginMixin,
+    PublishValidationError
 )
 
 
@@ -39,6 +42,19 @@ def process(self, context, plugin):
 
             set_node_knobs_from_settings(write_node, correct_data["knobs"])
 
+            nuke_settings = instance.context.data["project_settings"]["nuke"]
+            create_settings = nuke_settings["create"]["CreateWriteRender"]
+            exposed_knobs = create_settings["exposed_knobs"]
+            for knob in exposed_knobs:
+                if knob in write_group_node.knobs():
+                    continue
+
+                link = nuke.Link_Knob("")
+                link.makeLink(write_node.name(), knob)
+                link.setName(knob)
+                link.setFlag(0x1000)
+                write_group_node.addKnob(link)
+
             self.log.debug("Node attributes were fixed")
 
 
@@ -134,6 +150,27 @@ def process(self, instance):
         if check:
             self._make_error(check)
 
+        nuke_settings = instance.context.data["project_settings"]["nuke"]
+        create_settings = nuke_settings["create"]["CreateWriteRender"]
+        exposed_knobs = create_settings["exposed_knobs"]
+        unexposed_knobs = []
+        for knob in exposed_knobs:
+            if knob not in write_group_node.knobs():
+                unexposed_knobs.append(knob)
+
+            """
+            link = nuke.Link_Knob("")
+            link.makeLink(write_node.name(), knob)
+            link.setName(knob)
+            link.setFlag(0x1000)
+            write_group_node.addKnob(link)
+            """
+
+        if unexposed_knobs:
+            raise PublishValidationError(
+                "Missing exposed knobs: {}".format(unexposed_knobs)
+            )
+
     def _make_error(self, check):
         # sourcery skip: merge-assign-and-aug-assign, move-assign-in-block
         dbg_msg = "Write node's knobs values are not correct!\n"

server_addon/nuke/server/settings/create_plugins.py

@@ -54,7 +54,10 @@ class CreateWriteRenderModel(BaseSettingsModel):
         enum_resolver=instance_attributes_enum,
         title="Instance attributes"
     )
-
+    exposed_knobs: list[str] = Field(
+        title="Exposed Knobs",
+        default_factory=list
+    )
     prenodes: list[PrenodeModel] = Field(
         default_factory=list,
         title="Preceding nodes",
@@ -80,7 +83,10 @@ class CreateWritePrerenderModel(BaseSettingsModel):
         enum_resolver=instance_attributes_enum,
         title="Instance attributes"
     )
-
+    exposed_knobs: list[str] = Field(
+        title="Exposed Knobs",
+        default_factory=list
+    )
     prenodes: list[PrenodeModel] = Field(
         default_factory=list,
         title="Preceding nodes",
@@ -106,7 +112,10 @@ class CreateWriteImageModel(BaseSettingsModel):
         enum_resolver=instance_attributes_enum,
         title="Instance attributes"
     )
-
+    exposed_knobs: list[str] = Field(
+        title="Exposed Knobs",
+        default_factory=list
+    )
     prenodes: list[PrenodeModel] = Field(
         default_factory=list,
         title="Preceding nodes",
@@ -145,6 +154,7 @@ class CreatorPluginsSettings(BaseSettingsModel):
             "reviewable",
             "farm_rendering"
         ],
+        "exposed_knobs": [],
         "prenodes": [
             {
                 "name": "Reformat01",
@@ -178,6 +188,7 @@ class CreatorPluginsSettings(BaseSettingsModel):
             "farm_rendering",
             "use_range_limit"
         ],
+        "exposed_knobs": [],
         "prenodes": []
     },
     "CreateWriteImage": {
@@ -190,6 +201,7 @@ class CreatorPluginsSettings(BaseSettingsModel):
         "instance_attributes": [
             "use_range_limit"
         ],
+        "exposed_knobs": [],
         "prenodes": [
             {
                 "name": "FrameHold01",

server_addon/nuke/server/version.py

@@ -1 +1 @@
-__version__ = "0.1.8"
+__version__ = "0.1.9"