CDPD-50020: [Ozone] Add ofsstat separately (#3189)

(cherry picked from commit 3a067c4)
(cherry picked from commit 045903b)
Change-Id: I49de9d2e91c83fd0a138d544062469a687d1546b

desktop/core/src/desktop/lib/fs/ozone/ofsstat.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+# Licensed to Cloudera, Inc. under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  Cloudera, Inc. 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 builtins import oct
+import math
+import stat
+
+from django.utils.encoding import smart_str
+
+from hadoop.fs.hadoopfs import decode_fs_path
+from hadoop.fs.webhdfs_types import WebHdfsStat
+
+from desktop.lib.fs.ozone import join as ofs_join
+
+class OzoneFSStat(WebHdfsStat):
+  """
+  Information about a path in Ozone.
+
+  Modelled after org.apache.hadoop.fs.FileStatus
+  """
+
+  def __init__(self, file_status, parent_path):
+    super(OzoneFSStat, self).__init__(file_status, parent_path)
+    self.path = ofs_join(parent_path, self.name)
+
+  def __unicode__(self):
+    return "[OzoneFSStat] %7s %8s %8s %12s %s%s" % (oct(self.mode), self.user, self.group, self.size, self.path, self.isDir and '/' or "")
+
+  def __repr__(self):
+    return smart_str("<OzoneFSStat %s>" % (self.path))