本文整理汇总了Python中xattr.list函数的典型用法代码示例。如果您正苦于以下问题：Python list函数的具体用法？Python list怎么用？Python list使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了list函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _checkListSetGet
def _checkListSetGet(self, item, symlink=False, use_ns=False):
"""check list, set, get operations against an item"""
self.assertEqual(self._ignore(xattr.list(item, symlink)),
[])
self.assertRaises(EnvironmentError, xattr.set, item,
self.USER_ATTR, self.USER_VAL, flags=XATTR_REPLACE)
self.assertRaises(EnvironmentError, xattr.set, item,
self.USER_NN, self.USER_VAL, flags=XATTR_REPLACE,
namespace=NS_USER)
try:
if use_ns:
xattr.set(item, self.USER_NN, self.USER_VAL,
namespace=NS_USER,
nofollow=symlink)
else:
xattr.set(item, self.USER_ATTR, self.USER_VAL,
nofollow=symlink)
except IOError:
err = sys.exc_info()[1]
if err.errno == errno.EPERM and symlink:
# symlinks may fail, in which case we abort the rest
# of the test for this case
return
raise
self.assertRaises(EnvironmentError, xattr.set, item,
self.USER_ATTR, self.USER_VAL, flags=XATTR_CREATE)
self.assertRaises(EnvironmentError, xattr.set, item,
self.USER_NN, self.USER_VAL,
flags=XATTR_CREATE, namespace=NS_USER)
self.assertEqual(self._ignore(xattr.list(item, nofollow=symlink)),
[self.USER_ATTR])
self.assertEqual(self._ignore(xattr.list(item, nofollow=symlink,
namespace=EMPTY_NS)),
[self.USER_ATTR])
self.assertEqual(xattr.list(item, namespace=NS_USER, nofollow=symlink),
[self.USER_NN])
self.assertEqual(xattr.get(item, self.USER_ATTR, nofollow=symlink),
self.USER_VAL)
self.assertEqual(xattr.get(item, self.USER_NN, nofollow=symlink,
namespace=NS_USER), self.USER_VAL)
self.assertEqual(self._ignore_tuples(xattr.get_all(item,
nofollow=symlink)),
[(self.USER_ATTR, self.USER_VAL)])
self.assertEqual(xattr.get_all(item, nofollow=symlink,
namespace=NS_USER),
[(self.USER_NN, self.USER_VAL)])
if use_ns:
xattr.remove(item, self.USER_NN, namespace=NS_USER)
else:
xattr.remove(item, self.USER_ATTR)
self.assertEqual(self._ignore(xattr.list(item, symlink)), [])
self.assertEqual(self._ignore_tuples(xattr.get_all(item,
nofollow=symlink)),
[])
self.assertRaises(EnvironmentError, xattr.remove,
item, self.USER_ATTR, nofollow=symlink)
self.assertRaises(EnvironmentError, xattr.remove, item,
self.USER_NN, namespace=NS_USER, nofollow=symlink)示例2: testSymlinkOps
def testSymlinkOps(self):
"""test symlink operations"""
_, sname = self._getsymlink()
self.assertRaises(EnvironmentError, xattr.list, sname)
self._checkListSetGet(sname, symlink=True)
self._checkListSetGet(sname, symlink=True, use_ns=True)
target, sname = self._getsymlink(dangling=False)
xattr.set(target, self.USER_ATTR, self.USER_VAL)
self.assertEqual(xattr.list(target), [self.USER_ATTR])
self.assertEqual(xattr.list(sname, nofollow=True), [])
self.assertRaises(EnvironmentError, xattr.remove, sname, self.USER_ATTR, nofollow=True)
xattr.remove(sname, self.USER_ATTR, nofollow=False)示例3: testBinaryPayload
def testBinaryPayload(self):
"""test binary values"""
fh, fname = self._getfile()
os.close(fh)
BINVAL = "abc" + "\0" + "def"
if PY3K:
BINVAL = BINVAL.encode()
xattr.set(fname, self.USER_ATTR, BINVAL)
self.assertEqual(xattr.list(fname), [self.USER_ATTR])
self.assertEqual(xattr.list(fname, namespace=NS_USER), [self.USER_NN])
self.assertEqual(xattr.get(fname, self.USER_ATTR), BINVAL)
self.assertEqual(xattr.get(fname, self.USER_NN, namespace=NS_USER), BINVAL)
self.assertEqual(xattr.get_all(fname), [(self.USER_ATTR, BINVAL)])
self.assertEqual(xattr.get_all(fname, namespace=NS_USER), [(self.USER_NN, BINVAL)])
xattr.remove(fname, self.USER_ATTR)示例4: testMixedAccess
def testMixedAccess(self):
"""test mixed access to file"""
fh, fname = self._getfile()
fo = os.fdopen(fh)
self.assertEqual(xattr.list(fname), [])
xattr.set(fname, self.USER_ATTR, self.USER_VAL)
self.assertEqual(xattr.list(fh), [self.USER_ATTR])
self.assertEqual(xattr.list(fh, namespace=NS_USER), [self.USER_NN])
self.assertEqual(xattr.get(fo, self.USER_ATTR), self.USER_VAL)
self.assertEqual(xattr.get(fo, self.USER_NN, namespace=NS_USER), self.USER_VAL)
self.assertEqual(xattr.get_all(fo), [(self.USER_ATTR, self.USER_VAL)])
self.assertEqual(xattr.get_all(fo, namespace=NS_USER), [(self.USER_NN, self.USER_VAL)])
self.assertEqual(xattr.get_all(fname), [(self.USER_ATTR, self.USER_VAL)])
self.assertEqual(xattr.get_all(fname, namespace=NS_USER), [(self.USER_NN, self.USER_VAL)])
fo.close()示例5: _apply_linux_xattr_rec
def _apply_linux_xattr_rec(self, path, restore_numeric_ids=False):
if not xattr:
if self.linux_xattr:
add_error("%s: can't restore xattr; xattr support missing.\n"
% path)
return
existing_xattrs = set(xattr.list(path, nofollow=True))
if self.linux_xattr:
for k, v in self.linux_xattr:
if k not in existing_xattrs \
or v != xattr.get(path, k, nofollow=True):
try:
xattr.set(path, k, v, nofollow=True)
except IOError, e:
if e.errno == errno.EPERM \
or e.errno == errno.EOPNOTSUPP:
raise ApplyError('xattr.set: %s' % e)
else:
raise
existing_xattrs -= frozenset([k])
for k in existing_xattrs:
try:
xattr.remove(path, k, nofollow=True)
except IOError, e:
if e.errno == errno.EPERM:
raise ApplyError('xattr.remove: %s' % e)
else:
raise示例6: populate_pgfid_and_inodegfid
def populate_pgfid_and_inodegfid(brick, changelog_data):
"""
For all the DATA/METADATA modifications GFID,
If symlink, directly convert to Path using Readlink.
If not symlink, try to get PGFIDs via xattr query and populate it
to pgfid table, collect inodes in inodegfid table
"""
for row in changelog_data.gfidpath_get({"path1": "", "type": "MODIFY"}):
gfid = row[3].strip()
p = os.path.join(brick, ".glusterfs", gfid[0:2], gfid[2:4], gfid)
if os.path.islink(p):
# It is a Directory if GFID backend path is symlink
try:
path = symlink_gfid_to_path(brick, gfid)
path = output_path_prepare(path, args)
changelog_data.gfidpath_update({"path1": path},
{"gfid": gfid})
except (IOError, OSError) as e:
logger.warn("Error converting to path: %s" % e)
continue
else:
try:
# INODE and GFID to inodegfid table
changelog_data.inodegfid_add(os.stat(p).st_ino, gfid)
file_xattrs = xattr.list(p)
for x in file_xattrs:
if x.startswith("trusted.pgfid."):
# PGFID in pgfid table
changelog_data.pgfid_add(x.split(".")[-1])
except (IOError, OSError):
# All OS Errors ignored, since failures will be logged
# in End. All GFIDs present in gfidpath table
continue示例7: testManyOps
def testManyOps(self):
"""test many ops"""
fh, fname = self._getfile()
xattr.set(fh, self.USER_ATTR, self.USER_VAL)
VL = [self.USER_ATTR]
VN = [self.USER_NN]
for i in range(self.MANYOPS_COUNT):
self.assertEqual(xattr.list(fh), VL)
self.assertEqual(xattr.list(fh, namespace=EMPTY_NS), VL)
self.assertEqual(xattr.list(fh, namespace=NS_USER), VN)
for i in range(self.MANYOPS_COUNT):
self.assertEqual(xattr.get(fh, self.USER_ATTR), self.USER_VAL)
self.assertEqual(xattr.get(fh, self.USER_NN, namespace=NS_USER), self.USER_VAL)
for i in range(self.MANYOPS_COUNT):
self.assertEqual(xattr.get_all(fh), [(self.USER_ATTR, self.USER_VAL)])
self.assertEqual(xattr.get_all(fh, namespace=NS_USER), [(self.USER_NN, self.USER_VAL)])示例8: _copyxattr
def _copyxattr(src, dest, exclude=None):
try:
attrs = xattr.list(src)
except IOError as e:
if e.errno != OperationNotSupported.errno:
raise
attrs = ()
if attrs:
if exclude is not None and isinstance(attrs[0], bytes):
exclude = exclude.encode(_encodings['fs'])
exclude = _get_xattr_excluder(exclude)
for attr in attrs:
if exclude(attr):
continue
try:
xattr.set(dest, attr, xattr.get(src, attr))
raise_exception = False
except IOError:
raise_exception = True
if raise_exception:
raise OperationNotSupported(_("Filesystem containing file '%s' "
"does not support extended attribute '%s'") %
(_unicode_decode(dest), _unicode_decode(attr)))示例9: read_cache
def read_cache(self):
if not xattr:
return
cache = dict([(n[13:], xattr.get(self.name, n)) for n in xattr.list(self.name) if n.decode().startswith('user.pyanidb.')])
if 'mtime' not in cache or str(int(self.mtime)) != cache.pop('mtime'):
return
for n, v in cache.items():
setattr(self, n, v)
self.cached = True示例10: get_sha1
def get_sha1(self):
name = self.get_real_name()
if "user.sha1" in xattr.list(name):
val = xattr.get(name, "user.sha1")[:-1]
else:
with open(name) as f:
val = sha1(f.read()).hexdigest()
xattr.setxattr(name, "user.sha1", "%s\x00" % val)
return val示例11: _copyxattr
def _copyxattr(src, dest):
for attr in xattr.list(src):
try:
xattr.set(dest, attr, xattr.get(src, attr))
raise_exception = False
except IOError:
raise_exception = True
if raise_exception:
raise OperationNotSupported("Filesystem containing file '%s' does not support extended attributes" % dest)示例12: test_handling_of_incorrect_existing_linux_xattrs
def test_handling_of_incorrect_existing_linux_xattrs():
if os.geteuid() != 0 or detect_fakeroot():
return
setup_testfs()
subprocess.check_call('rm -rf testfs/*', shell=True)
path = 'testfs/foo'
open(path, 'w').close()
xattr.set(path, 'foo', 'bar', namespace=xattr.NS_USER)
m = metadata.from_path(path, archive_path=path, save_symlinks=True)
xattr.set(path, 'baz', 'bax', namespace=xattr.NS_USER)
m.apply_to_path(path, restore_numeric_ids=False)
WVPASSEQ(xattr.list(path), ['user.foo'])
WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')
xattr.set(path, 'foo', 'baz', namespace=xattr.NS_USER)
m.apply_to_path(path, restore_numeric_ids=False)
WVPASSEQ(xattr.list(path), ['user.foo'])
WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')
xattr.remove(path, 'foo', namespace=xattr.NS_USER)
m.apply_to_path(path, restore_numeric_ids=False)
WVPASSEQ(xattr.list(path), ['user.foo'])
WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')
os.chdir(top_dir)
cleanup_testfs()示例13: _apply_linux_xattr_rec
def _apply_linux_xattr_rec(self, path, restore_numeric_ids=False):
if not xattr:
if self.linux_xattr:
add_error("%s: can't restore xattr; xattr support missing.\n" % path)
return
if not self.linux_xattr:
return
try:
existing_xattrs = set(xattr.list(path, nofollow=True))
except IOError, e:
if e.errno == errno.EACCES:
raise ApplyError("xattr.set: %s" % e)
else:
raise示例14: run
def run(args):
# Volmark from Master side
fmt_string = "!" + "B" * 19 + "II"
try:
vm = struct.unpack(fmt_string, xattr.get(
args.path,
"trusted.glusterfs.volume-mark",
nofollow=True))
print "UUID : %s" % uuid.UUID(
"".join(['%02x' % x for x in vm[2:18]]))
print "VERSION : %s.%s" % vm[0:2]
print "RETVAL : %s" % vm[18]
print "VOLUME MARK : %s.%s (%s)" % (
vm[19], vm[20], human_time("%s.%s" % (vm[19], vm[20])))
except (OSError, IOError) as e:
if e.errno == ENODATA:
pass
else:
print "[Error %s] %s" % (e.errno, os.strerror(e.errno))
sys.exit(-1)
# Volmark from slave side
all_xattrs = xattr.list(args.path)
fmt_string = "!" + "B" * 19 + "II" + "I"
volmark_xattrs = []
for x in all_xattrs:
if x.startswith("trusted.glusterfs.volume-mark."):
volmark_xattrs.append(x)
for vx in volmark_xattrs:
try:
vm = struct.unpack(fmt_string, xattr.get(
args.path,
vx))
print "UUID : %s" % uuid.UUID(
"".join(['%02x' % x for x in vm[2:18]]))
print "VERSION : %s.%s" % vm[0:2]
print "RETVAL : %s" % vm[18]
print "VOLUME MARK : %s.%s (%s)" % (
vm[19], vm[20], human_time("%s.%s" % (vm[19], vm[20])))
print "TIMEOUT : %s (%s)" % (vm[-1], human_time(vm[-1]))
except (OSError, IOError) as e:
if e.errno == ENODATA:
pass
else:
print "[Error %s] %s" % (e.errno, os.strerror(e.errno))
sys.exit(-1)示例15: dump_xattrs
def dump_xattrs(pathnames, file_out):
"""Dump the xattr data for |pathnames| to |file_out|"""
# NOTE: Always quote backslashes, in order to ensure that they are
# not interpreted as quotes when they are processed by unquote.
quote_chars = b'\n\r\\\\'
for pathname in pathnames:
attrs = xattr.list(pathname)
if not attrs:
continue
file_out.write(b'# file: %s\n' % quote(pathname, quote_chars))
for attr in attrs:
attr = unicode_encode(attr)
value = xattr.get(pathname, attr)
file_out.write(b'%s="%s"\n' % (
quote(attr, b'=' + quote_chars),
quote(value, b'\0"' + quote_chars)))