75 lines
3.1 KiB
Python
75 lines
3.1 KiB
Python
#!/usr/bin/env python3
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import hashlib
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import json
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import pathlib
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import sys
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import bpy
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def render_state(render_path):
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scene = bpy.context.scene
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cube = bpy.data.objects.get("WBV2P5001RenderCube")
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camera = bpy.data.objects.get("WBV2P5001RenderCamera")
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receipt_text = bpy.data.texts.get("WBV2-P5-001-RenderRoutingReceipt")
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if cube is None or camera is None or receipt_text is None:
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raise RuntimeError("render routing fixture is missing cube, camera, or receipt")
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receipt = json.loads(receipt_text.as_string())
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scene.render.filepath = str(render_path)
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bpy.ops.render.render(write_still=True)
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image = bpy.data.images.load(str(render_path), check_existing=False)
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if tuple(image.size) != (64, 64):
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raise RuntimeError("render routing fixture did not produce a 64x64 image")
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pixels = image.pixels[:]
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rgba = bytes(max(0, min(255, round(float(value) * 255))) for value in pixels)
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visible = sum(1 for index in range(0, len(rgba), 4) if sum(rgba[index:index + 3]) > 12)
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result = {
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"sceneId": "scene:" + scene.name,
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"cubeId": "object:" + cube.name,
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"cameraId": "object:" + camera.name,
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"renderEngine": scene.render.engine,
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"resolution": [scene.render.resolution_x, scene.render.resolution_y, scene.render.resolution_percentage],
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"receipt": receipt,
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"pixelSha256": hashlib.sha256(rgba).hexdigest(),
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"pixelBytes": len(rgba),
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"visiblePixels": visible,
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}
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bpy.data.images.remove(image)
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return result
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def main():
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arguments = sys.argv[sys.argv.index("--") + 1 :]
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if len(arguments) != 2:
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raise SystemExit("usage: blender -b --factory-startup --python check-wbv2-p5-001-desktop.py -- FIXTURE REPORT")
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fixture, output = (pathlib.Path(value).resolve() for value in arguments)
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bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
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render_path = fixture.with_name(f"{fixture.stem}-render.png")
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before = render_state(render_path)
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temporary = fixture.with_name(f"{fixture.stem}-reopen.blend")
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try:
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bpy.ops.wm.save_as_mainfile(filepath=str(temporary), check_existing=False, compress=True)
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bpy.ops.wm.open_mainfile(filepath=str(temporary), load_ui=False)
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after = render_state(render_path)
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finally:
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temporary.unlink(missing_ok=True)
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render_path.unlink(missing_ok=True)
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if before != after:
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raise RuntimeError(f"render routing save/reopen drift: {before} != {after}")
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report = {
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"schemaVersion": 1,
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"task": "WBV2-P5-001",
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"operation": "RENDER_ROUTING_DESKTOP",
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"fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
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"state": after,
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"saveReopen": "EXACT",
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"blenderVersion": bpy.app.version_string,
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}
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output.parent.mkdir(parents=True, exist_ok=True)
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output.write_text(json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8")
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print("wbv2-p5-001-desktop-ok engine=%s pixels=%s visible=%d routes=%d saveReopen=exact" % (after["renderEngine"], after["pixelSha256"], after["visiblePixels"], len(after["receipt"]["routes"])))
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if __name__ == "__main__":
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main()
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