66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
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#
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# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import os
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import re
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import socket
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from vllm.logger import logger
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def find_free_port():
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"""
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Finds a free port on the local machine.
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Returns:
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- A free port number.
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"""
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
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s.bind(('', 0))
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return s.getsockname()[1]
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def is_valid_path_prefix(path_prefix):
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"""
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Checks if the provided path prefix is valid.
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Parameters:
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- path_prefix: The path prefix to validate.
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Returns:
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- True if the path prefix is valid, otherwise False.
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"""
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if not path_prefix:
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return False
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if re.search(r'[<>:"|?*]', path_prefix):
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logger.warning(
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f'The path prefix {path_prefix} contains illegal characters.')
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return False
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if path_prefix.startswith('/') or path_prefix.startswith('\\'):
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if not os.path.exists(os.path.dirname(path_prefix)):
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logger.warning(
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f'The directory for the path prefix {os.path.dirname(path_prefix)} does not exist.'
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)
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return False
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else:
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if not os.path.exists(os.path.dirname(os.path.abspath(path_prefix))):
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logger.warning(
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f'The directory for the path prefix {os.path.dirname(os.path.abspath(path_prefix))} does not exist.'
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)
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return False
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return True
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