Advance M8-M11 parity workflows

tools/web/render-server-job.py

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+import json
+import pathlib
+import sys
+
+import bpy
+
+
+def main() -> None:
+    if "--" not in sys.argv or len(sys.argv[sys.argv.index("--") + 1:]) != 3:
+        raise SystemExit("usage: blender --background --python render-server-job.py -- SOURCE OUTPUT SETTINGS_JSON")
+    source_arg, output_arg, settings_arg = sys.argv[sys.argv.index("--") + 1:]
+    source = pathlib.Path(source_arg).resolve()
+    output = pathlib.Path(output_arg).resolve()
+    settings_path = pathlib.Path(settings_arg).resolve()
+    if not source.is_file() or source.stat().st_size < 1:
+        raise RuntimeError("server render source is missing")
+    bpy.ops.wm.open_mainfile(filepath=str(source), load_ui=False)
+    scene = bpy.context.scene
+    if scene is None:
+        raise RuntimeError("server render scene is missing")
+    settings = json.loads(settings_path.read_text(encoding="utf-8"))
+    engine = settings["renderEngine"]
+    scene.render.engine = "BLENDER_EEVEE" if engine == "BLENDER_EEVEE_NEXT" else engine
+    frame = int(settings["frameStart"])
+    if frame != int(settings["frameEnd"]):
+        raise RuntimeError("server render schema 1 requires a still frame")
+    scene.render.resolution_x = int(settings["resolutionX"])
+    scene.render.resolution_y = int(settings["resolutionY"])
+    scene.render.resolution_percentage = int(settings["resolutionPercentage"])
+    if scene.render.engine == "BLENDER_CYCLES":
+        scene.cycles.samples = int(settings["samples"])
+    elif scene.render.engine == "BLENDER_EEVEE":
+        scene.eevee.taa_render_samples = int(settings["samples"])
+    scene.render.image_settings.file_format = "PNG" if settings["outputMime"] == "image/png" else "OPEN_EXR"
+    scene.render.film_transparent = bool(settings["transparent"])
+    scene.frame_set(frame)
+    scene.render.filepath = str(output)
+    scene.render.use_file_extension = True
+    bpy.ops.render.render(write_still=True)
+    if not output.is_file() or output.stat().st_size < 1:
+        raise RuntimeError("server render produced no output")
+    print(f"server-render-ok frame={frame} output={output} bytes={output.stat().st_size}")
+
+
+main()