From ce0d2b8fe16a03be90a917cc666f4dcc5158fb70 Mon Sep 17 00:00:00 2001
From: Jakub Jezek <jakubjezek001@gmail.com>
Date: Sat, 8 Oct 2022 21:54:14 +0200
Subject: [PATCH] nuke: adding supporting functions to plugin.py

---
 openpype/hosts/nuke/api/__init__.py |  6 ++++-
 openpype/hosts/nuke/api/plugin.py   | 37 ++++++++++++++++++++++++++++-
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/openpype/hosts/nuke/api/__init__.py b/openpype/hosts/nuke/api/__init__.py
index 156b3f0de0..8aaaff43b3 100644
--- a/openpype/hosts/nuke/api/__init__.py
+++ b/openpype/hosts/nuke/api/__init__.py
@@ -14,7 +14,9 @@ from .plugin import (
     NukeWriteCreator,
     NukeCreatorError,
     OpenPypeCreator,
-    get_instance_node
+    get_instance_node,
+    get_instance_group_node_childs,
+    get_colorspace_from_node
 )
 from .pipeline import (
     NukeHost,
@@ -66,6 +68,8 @@ __all__ = (
     "OpenPypeCreator",
     "NukeHost",
     "get_instance_node",
+    "get_instance_group_node_childs",
+    "get_colorspace_from_node",
 
     "ls",
 
diff --git a/openpype/hosts/nuke/api/plugin.py b/openpype/hosts/nuke/api/plugin.py
index 193c2e8c2d..45f16b2943 100644
--- a/openpype/hosts/nuke/api/plugin.py
+++ b/openpype/hosts/nuke/api/plugin.py
@@ -1,5 +1,5 @@
 import nuke
-
+import re
 import os
 import sys
 import six
@@ -415,6 +415,41 @@ def get_instance_node(instance):
         return instance[0]
 
 
+def get_instance_group_node_childs(instance):
+    """Return list of instance group node children
+
+    Args:
+        instance (pyblish.Instance): pyblish instance
+
+    Returns:
+        list: [nuke.Node]
+    """
+    node = get_instance_node(instance)
+
+    if node.Class() != "Group":
+        return
+
+    # collect child nodes
+    child_nodes = []
+    # iterate all nodes
+    for node in nuke.allNodes(group=node):
+        # add contained nodes to instance's node list
+        child_nodes.append(node)
+
+    return child_nodes
+
+
+def get_colorspace_from_node(node):
+    # Add version data to instance
+    colorspace = node["colorspace"].value()
+
+    # remove default part of the string
+    if "default (" in colorspace:
+        colorspace = re.sub(r"default.\(|\)", "", colorspace)
+
+    return colorspace
+
+
 def get_review_presets_config():
     settings = get_current_project_settings()
     review_profiles = (