Roy Nieterau BigRoy

## openpype_to_ayon_core.md

      
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                / openpype_to_ayon_core.md
            
            
              Last active
              April 25, 2024 16:42
            
              
                OpenPype codebase refactor to AYON core
              
          
    Transition code from OpenPype to Ayon Core

Refactor


openpype -> ayon_core
Loader plugins update method now takes context instead of representation argument  | ynput/ayon-core#130
Loader plugins attribute families (list) -> product_types (set) | ynput/ayon-core#191
Creator plugins: family -> productType | ynput/ayon-core#113
Refactor OpenPypeModule -> AYONAddon | ynput/ayon-core#22

now in ayon_core.addon instead of ayon_core.modules


## resolve_get_media_pool_item_usage.py

def find_clip_usage(media_pool_item, project):
    """Return all Timeline Items in the project using the Media Pool Item.

    Each entry in the list is a tuple of Timeline and TimelineItem so that
    it's easy to know which Timeline the TimelineItem belongs to.

    Arguments:
        media_pool_item (MediaPoolItem): The Media Pool Item to search for.
        project (Project): The resolve project the media pool item resides in.

## houdini_lop_get_houdini_editor_node_from_usd_shader.py
import os
import logging
from typing import List

import hou
import loputils
from pxr import Usd, UsdShade

log = logging.getLogger(__name__)

## houdini_lop_materiallibrary_get_material_to_houdini_node_mapping.py
import logging
from typing import Dict

import hou

log = logging.getLogger(__name__)


def get_material_library_paths(material_lib: hou.LopNode) -> Dict[str, str]:
    """Return Houdini material node path to USD path mapping

## houdini_lop_attributewrangle_reset_scale.py
// Remove any scaling from parent prims
matrix transform = usd_worldtransform(0, @primpath);
vector scale = cracktransform(0, 0, 2, {0, 0, 0}, transform);
if (scale != {1, 1, 1}) {
    usd_addscale(0, @primpath, "remove_scale", 1 / scale);
}

## ayon_load_by_representation_id.py
from openpype.pipeline.load.plugins import discover_loader_plugins
from openpype.pipeline.load.utils import loaders_from_representation, load_container

loader_name = "GpuCacheLoader"
representation_id = '6b7b5b6e-c677-11ee-b580-18c04d958ef6'

all_loaders = discover_loader_plugins()
loaders = loaders_from_representation(all_loaders, representation_id)

Loader = next((i for i in loaders if i.__name__ == loader_name), None)

## maya_connect_objects_to_nurbscurve_pointoncurveinfo.py
"""Connect objects (transforms) to a nurbsCurve by pointOnCurve node.

Select the objects, then select the nurbsCurve last.
Run the script.
Voila.

Updated version of: https://polycount.com/discussion/161754/eye-rig-script-problem

"""

## usd_python_list_all_used_assets.py
from pxr import UsdUtils, Sdf

stage = hou.pwd().editableStage()

# Given a Sdf.Layer you can use UsdUtils.ComputeAllDependencies
# which returns the layers, assets and any unresolved paths
layer = stage.Flatten()
layers, assets, unresolved_paths = UsdUtils.ComputeAllDependencies(layer.identifier)
for path in assets:
    print(path)

## maya_query_mesh_hard_edges.py
from maya import cmds
import maya.api.OpenMaya as om

def get_fn_mesh(mesh):
    sel = om.MSelectionList()
    sel.add(mesh)
    dag = sel.getDagPath(0)
    return om.MFnMesh(dag)

hard_edged_meshes = []

## houdini_solaris_isolate_selected_debug_shading_shelf_button.py
from typing import Tuple

import hou
import toolutils
from pxr import UsdShade, Sdf

POST_LAYER_NAME = "isolate_shaders"


# Prioritize outputs if there are multiple

	def find_clip_usage(media_pool_item, project):
	"""Return all Timeline Items in the project using the Media Pool Item.

	Each entry in the list is a tuple of Timeline and TimelineItem so that
	it's easy to know which Timeline the TimelineItem belongs to.

	Arguments:
	media_pool_item (MediaPoolItem): The Media Pool Item to search for.
	project (Project): The resolve project the media pool item resides in.
	import os
	import logging
	from typing import List

	import hou
	import loputils
	from pxr import Usd, UsdShade

	log = logging.getLogger(__name__)
	import logging
	from typing import Dict

	import hou

	log = logging.getLogger(__name__)


	def get_material_library_paths(material_lib: hou.LopNode) -> Dict[str, str]:
	"""Return Houdini material node path to USD path mapping
	// Remove any scaling from parent prims
	matrix transform = usd_worldtransform(0, @primpath);
	vector scale = cracktransform(0, 0, 2, {0, 0, 0}, transform);
	if (scale != {1, 1, 1}) {
	usd_addscale(0, @primpath, "remove_scale", 1 / scale);
	}
	from openpype.pipeline.load.plugins import discover_loader_plugins
	from openpype.pipeline.load.utils import loaders_from_representation, load_container

	loader_name = "GpuCacheLoader"
	representation_id = '6b7b5b6e-c677-11ee-b580-18c04d958ef6'

	all_loaders = discover_loader_plugins()
	loaders = loaders_from_representation(all_loaders, representation_id)

	Loader = next((i for i in loaders if i.__name__ == loader_name), None)
	"""Connect objects (transforms) to a nurbsCurve by pointOnCurve node.

	Select the objects, then select the nurbsCurve last.
	Run the script.
	Voila.

	Updated version of: https://polycount.com/discussion/161754/eye-rig-script-problem

	"""
	from pxr import UsdUtils, Sdf

	stage = hou.pwd().editableStage()

	# Given a Sdf.Layer you can use UsdUtils.ComputeAllDependencies
	# which returns the layers, assets and any unresolved paths
	layer = stage.Flatten()
	layers, assets, unresolved_paths = UsdUtils.ComputeAllDependencies(layer.identifier)
	for path in assets:
	print(path)
	from maya import cmds
	import maya.api.OpenMaya as om

	def get_fn_mesh(mesh):
	sel = om.MSelectionList()
	sel.add(mesh)
	dag = sel.getDagPath(0)
	return om.MFnMesh(dag)

	hard_edged_meshes = []
	from typing import Tuple

	import hou
	import toolutils
	from pxr import UsdShade, Sdf

	POST_LAYER_NAME = "isolate_shaders"


	# Prioritize outputs if there are multiple