init v0.23.0

Signed-off-by: Sun Ruoxi <sunruoxi@4paradigm.com>

vllm_ascend/model_loader/netloader/utils.py

@@ -0,0 +1,63 @@
+#
+# Copyright (c) 2025 Huawei Technologies Co., Ltd. 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 os
+import socket
+
+import regex as re
+from vllm.logger import logger
+
+
+def find_free_port():
+    """
+    Finds a free port on the local machine.
+
+    Returns:
+    - A free port number.
+    """
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+        s.bind(("", 0))
+        return s.getsockname()[1]
+
+
+def is_valid_path_prefix(path_prefix):
+    """
+    Checks if the provided path prefix is valid.
+
+    Parameters:
+    - path_prefix: The path prefix to validate.
+
+    Returns:
+    - True if the path prefix is valid, otherwise False.
+    """
+    if not path_prefix:
+        return False
+
+    if re.search(r'[<>:"|?*]', path_prefix):
+        logger.warning("The path prefix %s contains illegal characters.", path_prefix)
+        return False
+
+    if path_prefix.startswith("/") or path_prefix.startswith("\\"):
+        if not os.path.exists(os.path.dirname(path_prefix)):
+            logger.warning("The directory for the path prefix %s does not exist.", os.path.dirname(path_prefix))
+            return False
+    else:
+        if not os.path.exists(os.path.dirname(os.path.abspath(path_prefix))):
+            logger.warning(
+                "The directory for the path prefix %s does not exist.", os.path.dirname(os.path.abspath(path_prefix))
+            )
+            return False
+    return True