AnyImage/tools/node_assets/asset_validation.py

import sys
from pathlib import Path

import bpy

PROJECT_ROOT = Path(__file__).parents[2]
sys.path.insert(0, str(Path(__file__).parent))
sys.path.insert(0, str(PROJECT_ROOT / "src"))
sys.path.insert(
    0,
    str(next((PROJECT_ROOT / "src" / "anyimage" / "wheels").glob("blendjob-*.whl"))),
)

from node_layout import validate_node_layout
from anyimage.common.material import (
    DEPTH_MATERIAL_NODE_GROUP_NAME,
    IMAGE_MATERIAL_NODE_GROUP_NAME,
)
from anyimage.common.node import load_node_group, node_asset_path
from anyimage.operators.cutout_tool.shape import (
    CUTOUT_NODE_GROUP_NAMES,
)


DEPTH_PLANE_NODE_GROUP_NAME = "O Image Depth Plane"


def input_names(group):
    return [
        item.name
        for item in group.interface.items_tree
        if item.item_type == "SOCKET" and item.in_out == "INPUT"
    ]


def main():
    bpy.ops.wm.read_factory_settings(use_empty=True)
    image_plane = load_node_group("O Image Plane")
    depth_plane = load_node_group(DEPTH_PLANE_NODE_GROUP_NAME)
    image_layer = load_node_group(IMAGE_MATERIAL_NODE_GROUP_NAME)
    depth_layer = load_node_group(DEPTH_MATERIAL_NODE_GROUP_NAME)
    shadeless = load_node_group("O Shadeless")
    cutout_groups = {
        name: load_node_group(name) for name in set(CUTOUT_NODE_GROUP_NAMES.values())
    }
    expected_names = {
        "O Image Plane",
        DEPTH_PLANE_NODE_GROUP_NAME,
        IMAGE_MATERIAL_NODE_GROUP_NAME,
        DEPTH_MATERIAL_NODE_GROUP_NAME,
        "O Shadeless",
        *CUTOUT_NODE_GROUP_NAMES.values(),
    }
    with bpy.data.libraries.load(str(node_asset_path()), link=False) as (source, _):
        assert set(source.node_groups) == expected_names

    assert image_plane.name == "O Image Plane"
    assert image_plane.bl_idname == "GeometryNodeTree"
    assert image_plane.is_modifier
    assert input_names(image_plane) == [
        "Geometry",
        "Subdivide",
        "Thickness",
    ]
    assert depth_plane.bl_idname == "GeometryNodeTree"
    assert depth_plane.is_modifier
    assert input_names(depth_plane) == [
        "Geometry",
        "Mode",
        "Subdivide",
        "Thickness",
        "Thickness",
        "Depth Scale",
        "Reference Depth",
        "Normal Smooth",
        "Uniform Scale",
        "Depth Image",
    ]
    thickness_inputs = [
        item for item in depth_plane.interface.items_tree
        if item.item_type == "SOCKET" and item.in_out == "INPUT" and item.name == "Thickness"
    ]
    assert len({item.identifier for item in thickness_inputs}) == 2
    assert all(item.default_value == 0 and item.subtype == "DISTANCE" for item in thickness_inputs)
    depth_panels = [
        item for item in depth_plane.interface.items_tree if item.item_type == "PANEL"
    ]
    assert [panel.name for panel in depth_panels] == ["Options", "Data"]
    assert [item.name for item in depth_panels[0].interface_items] == [
        "Reference Depth", "Normal Smooth"
    ]
    assert [item.name for item in depth_panels[1].interface_items] == [
        "Uniform Scale",
        "Depth Image",
    ]
    assert all(panel.default_closed for panel in depth_panels)
    assert all(item.hide_in_modifier for item in depth_panels[1].interface_items)
    depth_subdivide = next(
        item
        for item in depth_plane.interface.items_tree
        if item.item_type == "SOCKET" and item.name == "Subdivide"
    )
    assert depth_subdivide.default_value == 6
    assert image_layer.bl_idname == "ShaderNodeTree"
    assert input_names(image_layer) == [
        "Color",
        "Alpha",
        "Normal",
        "Normal Scale",
        "Object Space",
        "Bump Scale",
    ]
    assert depth_layer.bl_idname == "ShaderNodeTree"
    assert input_names(depth_layer) == [
        "Color",
        "Alpha",
        "Depth",
        "Bump Scale",
    ]
    assert shadeless.name == "O Shadeless"
    assert shadeless.bl_idname == "ShaderNodeTree"
    assert input_names(shadeless) == ["Color"]

    assert set(cutout_groups) == set(CUTOUT_NODE_GROUP_NAMES.values())
    for group in cutout_groups.values():
        assert group.bl_idname == "GeometryNodeTree"
        assert group.is_modifier
        assert input_names(group)[0] == "Geometry"

    public_groups = {
        image_plane,
        depth_plane,
        image_layer,
        depth_layer,
        shadeless,
        *cutout_groups.values(),
    }
    loaded = {*public_groups, *cutout_groups.values()}
    for group in loaded:
        if group.bl_idname == "GeometryNodeTree":
            validate_node_layout(group)
    assert all(group.use_fake_user for group in public_groups)
    assert all(group.users > 0 for group in cutout_groups.values())
    if bpy.app.version >= (5, 0, 0):
        assert all(group.library is not None for group in loaded)
    print(
        f"Validated Blender {bpy.app.version_string}: "
        + ", ".join(sorted(group.name for group in loaded))
    )


if __name__ == "__main__":
    main()