import pathlib
import bpy

root = pathlib.Path(__file__).resolve().parents[3]
target = root / "tests/files/web/sequencer_scene_source.blend"
if target.exists():
    raise RuntimeError("Retain the existing fixture; rebuild only when its recipe changes")
bpy.ops.wm.open_mainfile(filepath=str(root / "tests/files/web/sequencer_scene.blend"))
source = bpy.data.scenes.new("SourceScene")
source.frame_start = 1
source.frame_end = 48
camera = bpy.data.objects.new("SourceCamera", bpy.data.cameras.new("SourceCamera"))
source.collection.objects.link(camera)
source.camera = camera
source.world = bpy.data.worlds.new("SourceWorld")
source.world.color = (0.15, 0.35, 0.55)
bpy.context.window.scene = bpy.data.scenes["SequencerScene"]
bpy.ops.wm.save_as_mainfile(filepath=str(target))