chatlearn/models/vllm/hooks/vllm_0_6_3/llm_engine.py

# Copyright 2024 Alibaba Group Holding Limited. 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
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# 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
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# ==============================================================================
"""Hooks of vllm-0.6.3 llm_engine remove __reduce__ function."""

import inspect

# pylint: disable=unused-import,wildcard-import,unused-argument
from vllm.engine import llm_engine


source = inspect.getsource(llm_engine.LLMEngine.__reduce__)
if 'RuntimeError' in source:
    def __reduce__(self):
        # This is to ensure that the LLMEngine can be referenced in
        # the closure used to initialize Ray worker actors
        pass

    del llm_engine.LLMEngine.__reduce__