[v1] add cli sampler (#9721)

src/llamafactory/v1/plugins/model_plugins/rendering.py

@@ -0,0 +1,36 @@
+# Copyright 2025 the LlamaFactory team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from ...utils.plugin import BasePlugin
+from ...utils.types import Message, ModelInput, Processor
+
+
+class RenderingPlugin(BasePlugin):
+    pass
+
+
+@RenderingPlugin("qwen").register("render_messages")
+def render_qwen_messages(
+    processor: Processor,
+    messages: list[Message],
+    tools: str | None = None,
+    is_generate: bool = False,
+) -> ModelInput:
+    raise NotImplementedError()
+
+
+@RenderingPlugin("qwen").register("parse_message")
+def parse_qwen_message(generated_text: str) -> Message:
+    raise NotImplementedError()