[v1] add init plugin (#9716)

src/llamafactory/v1/config/__init__.py

@@ -0,0 +1,32 @@
+# 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 .arg_parser import InputArgument, get_args
+from .arg_utils import ModelClass, SampleBackend
+from .data_args import DataArguments
+from .model_args import ModelArguments
+from .sample_args import SampleArguments
+from .training_args import TrainingArguments
+
+
+__all__ = [
+    "DataArguments",
+    "InputArgument",
+    "ModelArguments",
+    "ModelClass",
+    "SampleArguments",
+    "SampleBackend",
+    "TrainingArguments",
+    "get_args",
+]

src/llamafactory/v1/config/model_args.py

@@ -27,14 +27,14 @@ class ModelArguments:
         default=False,
         metadata={"help": "Trust remote code from Hugging Face."},
     )
-    use_fast_processor: bool = field(
-        default=True,
-        metadata={"help": "Use fast processor from Hugging Face."},
-    )
     model_class: ModelClass = field(
         default=ModelClass.LLM,
         metadata={"help": "Model class from Hugging Face."},
     )
+    init_config: PluginConfig | None = field(
+        default=None,
+        metadata={"help": "Initialization configuration for the model."},
+    )
     peft_config: PluginConfig | None = field(
         default=None,
         metadata={"help": "PEFT configuration for the model."},
@@ -49,6 +49,7 @@ class ModelArguments:
     )
 
     def __post_init__(self) -> None:
+        self.init_config = get_plugin_config(self.init_config)
         self.peft_config = get_plugin_config(self.peft_config)
         self.kernel_config = get_plugin_config(self.kernel_config)
         self.quant_config = get_plugin_config(self.quant_config)

src/llamafactory/v1/config/training_args.py

@@ -22,7 +22,7 @@ from .arg_utils import PluginConfig, get_plugin_config
 @dataclass
 class TrainingArguments:
     output_dir: str = field(
-        default=os.path.join("outputs", str(uuid4())),
+        default=os.path.join("outputs", str(uuid4().hex)),
         metadata={"help": "Path to the output directory."},
     )
     micro_batch_size: int = field(