[v1] add init plugin (#9716)

src/llamafactory/v1/samplers/cli_sampler.py

@@ -0,0 +1,35 @@
+# 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 ..config import InputArgument, SampleBackend, get_args
+from ..core.base_sampler import BaseSampler
+from ..core.model_loader import ModelLoader
+
+
+def run_chat(args: InputArgument = None):
+    data_args, model_args, _, sample_args = get_args(args)
+    if sample_args.sample_backend != SampleBackend.HF:
+        model_args.init_plugin = {"name": "init_on_meta"}
+
+    model_loader = ModelLoader(model_args)
+    sampler = BaseSampler(sample_args, model_args, model_loader.model, model_loader.processor)
+    if data_args.dataset is not None:
+        sampler.batch_infer()
+    else:
+        sampler.generate()
+
+
+if __name__ == "__main__":
+    run_chat()