Rebuild local Blender WASM environment and recovery evidence

tools/web/generated/WBV2-P3-005.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+import pathlib
+import sys
+
+import bpy
+
+
+LIBRARY_NAME = "WBV2P3005Library.blend"
+LINKED_OBJECT = "WBV2P3005LinkedObject"
+APPEND_OBJECT = "WBV2P3005AppendObject"
+
+
+def reset() -> None:
+    bpy.ops.wm.read_factory_settings(use_empty=True)
+
+
+def mesh_object(name: str, mesh_name: str, location: tuple[float, float, float]) -> bpy.types.Object:
+    mesh = bpy.data.meshes.new(mesh_name)
+    mesh.from_pydata(
+        [(-0.75, -0.75, 0.0), (0.75, -0.75, 0.0), (0.75, 0.75, 0.0), (-0.75, 0.75, 0.0)],
+        [],
+        [(0, 1, 2), (0, 2, 3)],
+    )
+    mesh.update()
+    obj = bpy.data.objects.new(name, mesh)
+    obj.location = location
+    bpy.context.collection.objects.link(obj)
+    return obj
+
+
+def create_source(path: pathlib.Path) -> None:
+    reset()
+    linked = mesh_object(LINKED_OBJECT, "WBV2P3005LinkedMesh", (-1.5, 0.0, 0.0))
+    linked_material = bpy.data.materials.new("WBV2P3005LinkedMaterial")
+    linked_material.diffuse_color = (0.18, 0.38, 0.62, 1.0)
+    linked.data.materials.append(linked_material)
+
+    appended = mesh_object(APPEND_OBJECT, "WBV2P3005AppendMesh", (1.5, 0.0, 0.0))
+    material = bpy.data.materials.new("WBV2P3005AppendMaterial")
+    material.use_nodes = True
+    principled = material.node_tree.nodes.get("Principled BSDF")
+    principled.inputs["Base Color"].default_value = (0.76, 0.28, 0.12, 1.0)
+    principled.inputs["Metallic"].default_value = 0.2
+    principled.inputs["Roughness"].default_value = 0.5
+    principled.inputs["Emission Color"].default_value = (0.0, 0.0, 0.0, 1.0)
+    principled.inputs["Emission Strength"].default_value = 1.0
+    image_path = pathlib.Path("tests/files/web/resources/udim_1001.png").resolve()
+    image = bpy.data.images.load(str(image_path), check_existing=False)
+    image.name = "WBV2P3005AppendImage"
+    image.pack()
+    texture = material.node_tree.nodes.new("ShaderNodeTexImage")
+    texture.name = "WBV2P3005AppendImageNode"
+    texture.image = image
+    material.node_tree.links.new(texture.outputs["Color"], principled.inputs["Base Color"])
+    appended.data.materials.append(material)
+    bpy.ops.wm.save_as_mainfile(filepath=str(path.resolve()), check_existing=False, compress=True)
+
+
+def create_fixture(output: pathlib.Path) -> None:
+    source = output.with_name(LIBRARY_NAME)
+    create_source(source)
+    reset()
+    with bpy.data.libraries.load(str(source.resolve()), link=True) as (data_from, data_to):
+        if LINKED_OBJECT not in data_from.objects:
+            raise RuntimeError("linked source object is missing")
+        data_to.objects = [LINKED_OBJECT]
+    linked = data_to.objects[0]
+    if linked is None:
+        raise RuntimeError("linked object could not be loaded")
+    bpy.context.collection.objects.link(linked)
+    bpy.context.view_layer.objects.active = linked
+    linked.select_set(True)
+    bpy.ops.wm.save_as_mainfile(filepath=str(output.resolve()), check_existing=False, compress=True)
+
+
+def main(output: pathlib.Path) -> None:
+    output.parent.mkdir(parents=True, exist_ok=True)
+    create_fixture(output.resolve())
+
+
+if __name__ == "__main__":
+    arguments = sys.argv[sys.argv.index("--") + 1:]
+    if len(arguments) != 1:
+        raise SystemExit("usage: blender -b --factory-startup --python WBV2-P3-005.py -- OUTPUT")
+    main(pathlib.Path(arguments[0]))