本文整理匯總了Python中os.chflags方法的典型用法代碼示例。如果您正苦於以下問題：Python os.chflags方法的具體用法？Python os.chflags怎麽用？Python os.chflags使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類os的用法示例。
在下文中一共展示了os.chflags方法的9個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: copystat
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def copystat(src, dst):
"""Copy file metadata
Copy the permission bits, last access time, last modification time, and
flags from `src` to `dst`. On Linux, copystat() also copies the "extended
attributes" where possible. The file contents, owner, and group are
unaffected. `src` and `dst` are path names given as strings.
"""
st = os.stat(src)
mode = stat.S_IMODE(st.st_mode)
if hasattr(os, 'utime'):
os.utime(dst, (st.st_atime, st.st_mtime))
if hasattr(os, 'chmod'):
os.chmod(dst, mode)
if hasattr(os, 'chflags') and hasattr(st, 'st_flags'):
try:
os.chflags(dst, st.st_flags)
except OSError, why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise 示例2: test_copystat_handles_harmless_chflags_errors
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def test_copystat_handles_harmless_chflags_errors(self):
tmpdir = self.mkdtemp()
file1 = os.path.join(tmpdir, 'file1')
file2 = os.path.join(tmpdir, 'file2')
self.write_file(file1, 'xxx')
self.write_file(file2, 'xxx')
def make_chflags_raiser(err):
ex = OSError()
def _chflags_raiser(path, flags):
ex.errno = err
raise ex
return _chflags_raiser
old_chflags = os.chflags
try:
for err in errno.EOPNOTSUPP, errno.ENOTSUP:
os.chflags = make_chflags_raiser(err)
shutil.copystat(file1, file2)
# assert others errors break it
os.chflags = make_chflags_raiser(errno.EOPNOTSUPP + errno.ENOTSUP)
self.assertRaises(OSError, shutil.copystat, file1, file2)
finally:
os.chflags = old_chflags 示例3: _test_chflags_regular_file
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def _test_chflags_regular_file(self, chflags_func, target_file):
st = os.stat(target_file)
self.assertTrue(hasattr(st, 'st_flags'))
# ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE.
try:
chflags_func(target_file, st.st_flags | stat.UF_IMMUTABLE)
except OSError as err:
if err.errno != errno.EOPNOTSUPP:
raise
msg = 'chflag UF_IMMUTABLE not supported by underlying fs'
self.skipTest(msg)
try:
new_st = os.stat(target_file)
self.assertEqual(st.st_flags | stat.UF_IMMUTABLE, new_st.st_flags)
try:
fd = open(target_file, 'w+')
except IOError as e:
self.assertEqual(e.errno, errno.EPERM)
finally:
posix.chflags(target_file, st.st_flags) 示例4: copystat
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def copystat(src, dst):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst"""
st = os.stat(src)
mode = stat.S_IMODE(st.st_mode)
if hasattr(os, 'utime'):
os.utime(dst, (st.st_atime, st.st_mtime))
if hasattr(os, 'chmod'):
os.chmod(dst, mode)
if hasattr(os, 'chflags') and hasattr(st, 'st_flags'):
try:
os.chflags(dst, st.st_flags)
except OSError, why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise 示例5: test_copystat_handles_harmless_chflags_errors
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def test_copystat_handles_harmless_chflags_errors(self):
tmpdir = self.mkdtemp()
file1 = os.path.join(tmpdir, 'file1')
file2 = os.path.join(tmpdir, 'file2')
write_file(file1, 'xxx')
write_file(file2, 'xxx')
def make_chflags_raiser(err):
ex = OSError()
def _chflags_raiser(path, flags, *, follow_symlinks=True):
ex.errno = err
raise ex
return _chflags_raiser
old_chflags = os.chflags
try:
for err in errno.EOPNOTSUPP, errno.ENOTSUP:
os.chflags = make_chflags_raiser(err)
shutil.copystat(file1, file2)
# assert others errors break it
os.chflags = make_chflags_raiser(errno.EOPNOTSUPP + errno.ENOTSUP)
self.assertRaises(OSError, shutil.copystat, file1, file2)
finally:
os.chflags = old_chflags 示例6: _test_chflags_regular_file
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def _test_chflags_regular_file(self, chflags_func, target_file, **kwargs):
st = os.stat(target_file)
self.assertTrue(hasattr(st, 'st_flags'))
# ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE.
flags = st.st_flags | stat.UF_IMMUTABLE
try:
chflags_func(target_file, flags, **kwargs)
except OSError as err:
if err.errno != errno.EOPNOTSUPP:
raise
msg = 'chflag UF_IMMUTABLE not supported by underlying fs'
self.skipTest(msg)
try:
new_st = os.stat(target_file)
self.assertEqual(st.st_flags | stat.UF_IMMUTABLE, new_st.st_flags)
try:
fd = open(target_file, 'w+')
except OSError as e:
self.assertEqual(e.errno, errno.EPERM)
finally:
posix.chflags(target_file, st.st_flags) 示例7: copystat
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def copystat(src, dst):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst"""
st = os.stat(src)
mode = stat.S_IMODE(st.st_mode)
if hasattr(os, 'utime'):
os.utime(dst, (st.st_atime, st.st_mtime))
if hasattr(os, 'chmod'):
os.chmod(dst, mode)
if hasattr(os, 'chflags') and hasattr(st, 'st_flags'):
try:
os.chflags(dst, st.st_flags)
except OSError as why:
if (not hasattr(errno, 'EOPNOTSUPP') or
why.errno != errno.EOPNOTSUPP):
raise 示例8: copystat
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def copystat(src, dst):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst"""
st = os.stat(src)
mode = stat.S_IMODE(st.st_mode)
if hasattr(os, 'utime'):
os.utime(dst, (st.st_atime, st.st_mtime))
if hasattr(os, 'chmod'):
os.chmod(dst, mode)
if hasattr(os, 'chflags') and hasattr(st, 'st_flags'):
try:
os.chflags(dst, st.st_flags)
except OSError, why:
if (not hasattr(errno, 'EOPNOTSUPP') or
why.errno != errno.EOPNOTSUPP):
raise 示例9: test_chflags
# 需要導入模塊: import os [as 別名]
# 或者: from os import chflags [as 別名]
def test_chflags(self):
self._test_chflags_regular_file(posix.chflags, test_support.TESTFN)