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"""
fs.osfs.xattrs
==============
Extended-attribute support for OSFS
"""
import os
import sys
import errno
from fs.errors import *
from fs.path import *
from fs.base import FS
try:
import xattr
except ImportError:
xattr = None
if xattr is not None:
class OSFSXAttrMixin(object):
"""Mixin providing extended-attribute support via the 'xattr' module"""
def __init__(self, *args, **kwargs):
super(OSFSXAttrMixin, self).__init__(*args, **kwargs)
@convert_os_errors
def setxattr(self, path, key, value):
xattr.xattr(self.getsyspath(path))[key]=value
@convert_os_errors
def getxattr(self, path, key, default=None):
try:
return xattr.xattr(self.getsyspath(path)).get(key)
except KeyError:
return default
@convert_os_errors
def delxattr(self, path, key):
try:
del xattr.xattr(self.getsyspath(path))[key]
except KeyError:
pass
@convert_os_errors
def listxattrs(self, path):
return xattr.xattr(self.getsyspath(path)).keys()
else:
class OSFSXAttrMixin(object):
"""Mixin disable extended-attribute support."""
def __init__(self, *args, **kwargs):
super(OSFSXAttrMixin, self).__init__(*args, **kwargs)
def getxattr(self,path,key,default=None):
raise UnsupportedError
def setxattr(self,path,key,value):
raise UnsupportedError
def delxattr(self,path,key):
raise UnsupportedError
def listxattrs(self,path):
raise UnsupportedError
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