Re: [PR] AIP-58: Add Airflow FS [airflow]

["bolkedebruin (via GitHub)" <gi...@apache.org>]

bolkedebruin commented on code in PR #34729:
URL: https://github.com/apache/airflow/pull/34729#discussion_r1349778528


##########
airflow/io/fs/__init__.py:
##########
@@ -0,0 +1,969 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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 __future__ import annotations
+
+import functools
+import os.path
+import uuid
+from typing import cast
+from urllib.parse import urlparse
+from dataclasses import dataclass
+from os import PathLike
+
+from fsspec import AbstractFileSystem
+from fsspec.callbacks import NoOpCallback
+
+from airflow.io.fsspec import SCHEME_TO_FS
+
+
+@dataclass
+class Mount(PathLike):
+    source: str
+    mount_point: str
+
+    fs: AbstractFileSystem
+
+    conn_id: str | None = None
+
+    def wrap(self, method: str, *args, **kwargs):
+        """
+        Wrap a filesystem method to replace the mount point with the original source.
+
+        :param method: the method to wrap
+        :type method: str
+        :param args: the arguments to pass to the method
+        :type args: tuple
+        :param kwargs: the keyword arguments to pass to the method
+        :type kwargs: dict
+        :return: the result of the method
+        :rtype: Any
+        """
+        path = kwargs.pop("path") if "path" in kwargs else args[0]
+        path = self.replace_mount_point(cast(str, path))
+
+        return getattr(self.fs, method)(path, *args[1:], **kwargs)
+
+    def __fspath__(self):
+        return self.mount_point
+
+    def __str__(self):
+        return self.mount_point
+
+    def __truediv__(self, other):
+        return os.path.join(self.mount_point, other.lstrip(os.sep))

Review Comment:
   Done.



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