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#!/usr/bin/env python
# Copyright 2025 The HuggingFace Inc. team. 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.
from queue import Empty
from typing import Any
from torch.multiprocessing import Queue
def get_last_item_from_queue(queue: Queue, block=True, timeout: float = 0.1) -> Any:
if block:
try:
item = queue.get(timeout=timeout)
except Empty:
return None
else:
item = None
# Drain queue and keep only the most recent parameters
try:
while True:
item = queue.get_nowait()
except Empty:
pass
return item
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