Upgrade to vllm 0.17.0 corex v4.1 overlay

vllm/transformers_utils/configs/extract_hidden_states.py

@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+"""Config definitions for ExtractHiddenStatesModel, to be used with
+the extract_hidden_states spec decoding method."""
+
+import os
+
+from transformers import PretrainedConfig
+
+
+class ExtractHiddenStatesConfig(PretrainedConfig):
+    model_type = "extract_hidden_states"
+
+    def __init__(
+        self,
+        model: PretrainedConfig | dict | None = None,
+        method: str | None = "extract_hidden_states",
+        **kwargs,
+    ):
+        assert method == "extract_hidden_states"
+
+        if isinstance(model, dict):
+            model_dict = model
+        elif isinstance(model, PretrainedConfig):
+            model_dict = model.to_dict()
+        else:
+            model_dict = {}
+
+        # Combine: model_dict first, then kwargs override
+        combined = {**model_dict, **kwargs}
+        # Remove architectures from the base, we'll set it explicitly
+        combined = {k: v for k, v in combined.items() if k != "architectures"}
+
+        combined["architectures"] = ["ExtractHiddenStatesModel"]
+
+        super().__init__(**combined)
+
+    @classmethod
+    def from_pretrained(
+        cls,
+        pretrained_model_name_or_path: str | os.PathLike,
+        **kwargs,
+    ) -> "ExtractHiddenStatesConfig":
+        config_dict, kwargs = cls.get_config_dict(
+            pretrained_model_name_or_path, **kwargs
+        )
+        return cls.from_dict(config_dict, **kwargs)
+
+    def to_json_string(self, use_diff: bool = True) -> str:
+        # we override use_diff to False as initializing
+        # ExtractHiddenStatesConfig with default arguments is not supported
+        del use_diff
+        return super().to_json_string(use_diff=False)