初始化项目，由ModelHub XC社区提供模型

Model: ayh015/myLightningOPD
Source: Original Platform

slime/utils/processing_utils.py

@@ -0,0 +1,37 @@
+# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+import base64
+import io
+import logging
+
+from transformers import AutoProcessor, AutoTokenizer, PreTrainedTokenizerBase, ProcessorMixin
+
+logger = logging.getLogger(__name__)
+
+
+def load_tokenizer(name_or_path: str, **kwargs):
+    return AutoTokenizer.from_pretrained(name_or_path, **kwargs)
+
+
+def load_processor(name_or_path: str, **kwargs):
+    try:
+        proc = AutoProcessor.from_pretrained(name_or_path, **kwargs)
+    except (OSError, ValueError) as e:
+        logger.warning(f"Failed to load processor from {name_or_path}: {e}")
+        proc = None
+
+    # If HF returned a tokenizer, discard it.
+    if isinstance(proc, PreTrainedTokenizerBase) or not isinstance(proc, ProcessorMixin):
+        proc = None
+
+    return proc
+
+
+def encode_image_for_rollout_engine(image) -> str:
+    """Load an image from path, ensure RGB, encode as PNG base64 string."""
+    buffer = io.BytesIO()
+    if image.mode != "RGB":
+        image = image.convert("RGB")
+    image.save(buffer, format="PNG")
+    return base64.b64encode(buffer.getvalue()).decode("utf-8")