Current File : //usr/lib/python3/dist-packages/samba/xattr.py
# Utility code for dealing with POSIX extended attributes
#
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2012
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from samba.dcerpc import xattr
import os
import samba.xattr_native
import shutil
def copyattrs(frompath, topath):
"""Copy ACL related attributes from a path to another path."""
for attr_name in (xattr.XATTR_NTACL_NAME, "system.posix_acl_access"):
# Get the xattr attributes if any
try:
attribute = samba.xattr_native.wrap_getxattr(frompath,
attr_name)
samba.xattr_native.wrap_setxattr(topath,
attr_name,
attribute)
except Exception:
pass
# FIXME:Catch a specific exception
def copytree_with_xattrs(src, dst):
"""Recursively copy a directory tree using shutil.copy2(), preserving xattrs.
The destination directory must not already exist.
If exception(s) occur, an Error is raised with a list of reasons.
"""
names = os.listdir(src)
os.makedirs(dst)
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
if os.path.islink(srcname):
linkto = os.readlink(srcname)
os.symlink(linkto, dstname)
elif os.path.isdir(srcname):
copytree_with_xattrs(srcname, dstname)
else:
# Will raise a SpecialFileError for unsupported file types
shutil.copy2(srcname, dstname)
shutil.copystat(src, dst)
copyattrs(src, dst)
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