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v5.20

Hiero

Publish Color Config

Jorge Hernandez Ibañez 04/12/2025

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Publish Color Config

Jorge Herna…

Action v1

04/12/2025

Hiero

Pseudo-Code

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Code

import hiero.ui
import pipelinepro as pipeline
import json
import nuke

def exec_query(query):
    if query.find("token:") < 0:
        print("Warning: The token key is not included in" 
               "the query, it will probably fail.")
    try:
        response = pipeline.query(query)
    except Exception as e:
        print("Error on DB query: ", e)
        return
    return response

def convert_hiero_to_nuke_colorconfig(hiero_config):
    hiero_to_nuke_color_knobs = {
        "lutSettingViewer": "viewerProcess.lut",
        "lutSetting8Bit": "int8Lut",
        "lutSetting16Bit": "int16Lut",
        "lutSettingLog": "logLut",
        "lutSettingFloat": "floatLut",
        "lutSettingWorkingSpace": "workingSpaceLut",
        "lutSettingMonitorOut": "monitorOutLUT",
        "lutSettingThumbnail": "monitorLut",
    
        "ocioConfigPath": "customOCIOConfigPath",
        "ocioConfigName": "OCIO_config"
    }
    nuke_config = {}
    for hKnob, hValue in hiero_config.items():
        if hiero_to_nuke_color_knobs.get(hKnob) is None:
            continue  # Skip not considered knobs
        nuke_config[hiero_to_nuke_color_knobs.get(hKnob)] = hValue
    if hiero_config.get("lutUseOCIOForExport") is not None:
        nuke_config["colorManagement"] = "OCIO" if hiero_config["lutUseOCIOForExport"] else "Nuke"
    view_knobs = ["viewerProcess.lut", "monitorOutLUT", "monitorLut"]
    for view in view_knobs:
        if nuke_config.get(view) is None:
            continue
        # The view knobs colorspaces from Hiero are named differently to Nuke
        # A conversion is needed
        # ACES/sRGB -> sRGB (ACES)
        if nuke_config[view].startswith("ACES/"):
            nuke_config[view] = nuke_config[view].replace("ACES/", "") + " (ACES)"
    return nuke_config

def get_project_color_config(project=None):
    """
    Retrieves active OpenColorIO color configuration data from the given Hiero project.

Args:
        project (hiero.core.Project, optional): The project to inspect. If None, uses the project of the active sequence.

Returns:
        dict: A dictionary with keys like 'ocio_config_path', 'roles', 'displays', 'views_by_display', 'working_space'
    """
    if project is None:
        sequence = hiero.ui.activeSequence()
        if not sequence:
            raise RuntimeError("No active sequence found.")
        project = sequence.project()

return project.extractSettings()

def publish_color_data(color_data, project_key, dcc="nuke"):
    mutation = """
    mutation{
      dataWrite(token:"{token}", model:"Project", key:"{key}", value:{value}){
        data
      }
    }
    """
    mutation = (
        mutation.replace("{key}", project_key)
        .replace("{value}", json.dumps(json.dumps({f"{dcc}_config_color": color_data})))
    )
    return exec_query(mutation)

def get_current_project_key():
    query = """
    query {
      myProject(token:"{token}"){
        name
        key
      }
    }
    """
    response = exec_query(query)
    if not response:
        return
    return response.get("myProject")

project = get_current_project_key()
if nuke.ask(f"Do you want to publish the current color config for the project '{project.get('name')}'?"):
    hiero_config = get_project_color_config()
    nuke_config = convert_hiero_to_nuke_colorconfig(hiero_config)
    res = publish_color_data(nuke_config, project.get("key"))
    success = True
    if res.get('dataWrite', {}).get('data') == '{"msg": "ok"}':
        msg = "Color config published successfully."
    else:
        print(f"Bad result: {res}")
        success = False
        msg = f"Something went wrong: {res}"
    from PySide2 import QtWidgets
    QtWidgets.QMessageBox.information(
        None,
        "Success" if success else "Failed",
        msg
    )

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