Move python modules from source4/scripting/python/ to python/.

Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Sat Mar  2 03:57:34 CET 2013 on sn-devel-104

1 files changed, 61 insertions, 0 deletions

diff --git a/python/samba/xattr.py b/python/samba/xattr.py
new file mode 100644
index 0000000000..8516ba99ca
--- /dev/null
+++ b/python/samba/xattr.py
@@ -0,0 +1,61 @@
+# 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,
+                                         xattr.XATTR_NTACL_NAME)
+            samba.xattr_native.wrap_setxattr(topath,
+                                         xattr.XATTR_NTACL_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)
+    errors = []
+    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)