[LLM] First commit the llm deployment code

fastdeploy/model_executor/models/__init__.py

@@ -0,0 +1,45 @@
+"""
+# Copyright (c) 2025  PaddlePaddle Authors. All Rights Reserved.
+#
+# 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.
+"""
+import importlib
+import inspect
+import os
+
+from .model_base import ModelForCasualLM, ModelRegistry
+
+inference_runner_supported_models = ["Qwen2ForCausalLM"]
+
+
+def auto_models_registry():
+    """
+    auto registry all models in this folder
+    """
+    for module_file in os.listdir(os.path.dirname(__file__)):
+        if module_file.endswith('.py') and module_file != '__init__.py':
+            module_name = module_file[:-3]
+            try:
+                module = importlib.import_module(
+                    f'fastdeploy.model_executor.models.{module_name}')
+                for attr_name in dir(module):
+                    attr = getattr(module, attr_name)
+                    if inspect.isclass(attr) and issubclass(
+                            attr,
+                            ModelForCasualLM) and attr is not ModelForCasualLM:
+                        ModelRegistry.register(attr)
+            except ImportError:
+                raise ImportError(f"{module_name=} import error")
+
+
+auto_models_registry()