Python os.supports_follow_symlinks() Examples
The following are 25
code examples of os.supports_follow_symlinks().
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Example #1
| Source File: test_shutil.py From Fluid-Designer with GNU General Public License v3.0 | 6 votes |
|
def test_rmtree_uses_safe_fd_version_if_available(self):
_use_fd_functions = ({os.open, os.stat, os.unlink, os.rmdir} <=
os.supports_dir_fd and
os.listdir in os.supports_fd and
os.stat in os.supports_follow_symlinks)
if _use_fd_functions:
self.assertTrue(shutil._use_fd_functions)
self.assertTrue(shutil.rmtree.avoids_symlink_attacks)
tmp_dir = self.mkdtemp()
d = os.path.join(tmp_dir, 'a')
os.mkdir(d)
try:
real_rmtree = shutil._rmtree_safe_fd
class Called(Exception): pass
def _raiser(*args, **kwargs):
raise Called
shutil._rmtree_safe_fd = _raiser
self.assertRaises(Called, shutil.rmtree, d)
finally:
shutil._rmtree_safe_fd = real_rmtree
else:
self.assertFalse(shutil._use_fd_functions)
self.assertFalse(shutil.rmtree.avoids_symlink_attacks)
Example #2
| Source File: test_shutil.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
|
def test_rmtree_uses_safe_fd_version_if_available(self):
_use_fd_functions = ({os.open, os.stat, os.unlink, os.rmdir} <=
os.supports_dir_fd and
os.listdir in os.supports_fd and
os.stat in os.supports_follow_symlinks)
if _use_fd_functions:
self.assertTrue(shutil._use_fd_functions)
self.assertTrue(shutil.rmtree.avoids_symlink_attacks)
tmp_dir = self.mkdtemp()
d = os.path.join(tmp_dir, 'a')
os.mkdir(d)
try:
real_rmtree = shutil._rmtree_safe_fd
class Called(Exception): pass
def _raiser(*args, **kwargs):
raise Called
shutil._rmtree_safe_fd = _raiser
self.assertRaises(Called, shutil.rmtree, d)
finally:
shutil._rmtree_safe_fd = real_rmtree
else:
self.assertFalse(shutil._use_fd_functions)
self.assertFalse(shutil.rmtree.avoids_symlink_attacks)
Example #3
| Source File: test_shutil.py From ironpython3 with Apache License 2.0 | 6 votes |
|
def test_rmtree_uses_safe_fd_version_if_available(self):
_use_fd_functions = ({os.open, os.stat, os.unlink, os.rmdir} <=
os.supports_dir_fd and
os.listdir in os.supports_fd and
os.stat in os.supports_follow_symlinks)
if _use_fd_functions:
self.assertTrue(shutil._use_fd_functions)
self.assertTrue(shutil.rmtree.avoids_symlink_attacks)
tmp_dir = self.mkdtemp()
d = os.path.join(tmp_dir, 'a')
os.mkdir(d)
try:
real_rmtree = shutil._rmtree_safe_fd
class Called(Exception): pass
def _raiser(*args, **kwargs):
raise Called
shutil._rmtree_safe_fd = _raiser
self.assertRaises(Called, shutil.rmtree, d)
finally:
shutil._rmtree_safe_fd = real_rmtree
else:
self.assertFalse(shutil._use_fd_functions)
self.assertFalse(shutil.rmtree.avoids_symlink_attacks)
Example #4
| Source File: test_shutil.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
|
def test_copystat_symlinks(self):
tmp_dir = self.mkdtemp()
src = os.path.join(tmp_dir, 'foo')
dst = os.path.join(tmp_dir, 'bar')
src_link = os.path.join(tmp_dir, 'baz')
dst_link = os.path.join(tmp_dir, 'qux')
write_file(src, 'foo')
src_stat = os.stat(src)
os.utime(src, (src_stat.st_atime,
src_stat.st_mtime - 42.0)) # ensure different mtimes
write_file(dst, 'bar')
self.assertNotEqual(os.stat(src).st_mtime, os.stat(dst).st_mtime)
os.symlink(src, src_link)
os.symlink(dst, dst_link)
if hasattr(os, 'lchmod'):
os.lchmod(src_link, stat.S_IRWXO)
if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
os.lchflags(src_link, stat.UF_NODUMP)
src_link_stat = os.lstat(src_link)
# follow
if hasattr(os, 'lchmod'):
shutil.copystat(src_link, dst_link, follow_symlinks=True)
self.assertNotEqual(src_link_stat.st_mode, os.stat(dst).st_mode)
# don't follow
shutil.copystat(src_link, dst_link, follow_symlinks=False)
dst_link_stat = os.lstat(dst_link)
if os.utime in os.supports_follow_symlinks:
for attr in 'st_atime', 'st_mtime':
# The modification times may be truncated in the new file.
self.assertLessEqual(getattr(src_link_stat, attr),
getattr(dst_link_stat, attr) + 1)
if hasattr(os, 'lchmod'):
self.assertEqual(src_link_stat.st_mode, dst_link_stat.st_mode)
if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'):
self.assertEqual(src_link_stat.st_flags, dst_link_stat.st_flags)
# tell to follow but dst is not a link
shutil.copystat(src_link, dst, follow_symlinks=False)
self.assertTrue(abs(os.stat(src).st_mtime - os.stat(dst).st_mtime) <
00000.1)
Example #5
| Source File: test_posix.py From ironpython3 with Apache License 2.0 | 5 votes |
|
def test_utime_dir_fd(self):
f = posix.open(posix.getcwd(), posix.O_RDONLY)
try:
now = time.time()
posix.utime(support.TESTFN, None, dir_fd=f)
posix.utime(support.TESTFN, dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, now, dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, "x"), dir_fd=f)
posix.utime(support.TESTFN, (int(now), int(now)), dir_fd=f)
posix.utime(support.TESTFN, (now, now), dir_fd=f)
posix.utime(support.TESTFN,
(int(now), int((now - int(now)) * 1e9)), dir_fd=f)
posix.utime(support.TESTFN, dir_fd=f,
times=(int(now), int((now - int(now)) * 1e9)))
# try dir_fd and follow_symlinks together
if os.utime in os.supports_follow_symlinks:
try:
posix.utime(support.TESTFN, follow_symlinks=False, dir_fd=f)
except ValueError:
# whoops! using both together not supported on this platform.
pass
finally:
posix.close(f)
Example #6
| Source File: test_shutil.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
|
def test_copystat_symlinks(self):
tmp_dir = self.mkdtemp()
src = os.path.join(tmp_dir, 'foo')
dst = os.path.join(tmp_dir, 'bar')
src_link = os.path.join(tmp_dir, 'baz')
dst_link = os.path.join(tmp_dir, 'qux')
write_file(src, 'foo')
src_stat = os.stat(src)
os.utime(src, (src_stat.st_atime,
src_stat.st_mtime - 42.0)) # ensure different mtimes
write_file(dst, 'bar')
self.assertNotEqual(os.stat(src).st_mtime, os.stat(dst).st_mtime)
os.symlink(src, src_link)
os.symlink(dst, dst_link)
if hasattr(os, 'lchmod'):
os.lchmod(src_link, stat.S_IRWXO)
if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
os.lchflags(src_link, stat.UF_NODUMP)
src_link_stat = os.lstat(src_link)
# follow
if hasattr(os, 'lchmod'):
shutil.copystat(src_link, dst_link, follow_symlinks=True)
self.assertNotEqual(src_link_stat.st_mode, os.stat(dst).st_mode)
# don't follow
shutil.copystat(src_link, dst_link, follow_symlinks=False)
dst_link_stat = os.lstat(dst_link)
if os.utime in os.supports_follow_symlinks:
for attr in 'st_atime', 'st_mtime':
# The modification times may be truncated in the new file.
self.assertLessEqual(getattr(src_link_stat, attr),
getattr(dst_link_stat, attr) + 1)
if hasattr(os, 'lchmod'):
self.assertEqual(src_link_stat.st_mode, dst_link_stat.st_mode)
if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'):
self.assertEqual(src_link_stat.st_flags, dst_link_stat.st_flags)
# tell to follow but dst is not a link
shutil.copystat(src_link, dst, follow_symlinks=False)
self.assertTrue(abs(os.stat(src).st_mtime - os.stat(dst).st_mtime) <
00000.1)
Example #7
| Source File: test_shutil.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
|
def test_copy2_symlinks(self):
tmp_dir = self.mkdtemp()
src = os.path.join(tmp_dir, 'foo')
dst = os.path.join(tmp_dir, 'bar')
src_link = os.path.join(tmp_dir, 'baz')
write_file(src, 'foo')
os.symlink(src, src_link)
if hasattr(os, 'lchmod'):
os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO)
if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
os.lchflags(src_link, stat.UF_NODUMP)
src_stat = os.stat(src)
src_link_stat = os.lstat(src_link)
# follow
shutil.copy2(src_link, dst, follow_symlinks=True)
self.assertFalse(os.path.islink(dst))
self.assertEqual(read_file(src), read_file(dst))
os.remove(dst)
# don't follow
shutil.copy2(src_link, dst, follow_symlinks=False)
self.assertTrue(os.path.islink(dst))
self.assertEqual(os.readlink(dst), os.readlink(src_link))
dst_stat = os.lstat(dst)
if os.utime in os.supports_follow_symlinks:
for attr in 'st_atime', 'st_mtime':
# The modification times may be truncated in the new file.
self.assertLessEqual(getattr(src_link_stat, attr),
getattr(dst_stat, attr) + 1)
if hasattr(os, 'lchmod'):
self.assertEqual(src_link_stat.st_mode, dst_stat.st_mode)
self.assertNotEqual(src_stat.st_mode, dst_stat.st_mode)
if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'):
self.assertEqual(src_link_stat.st_flags, dst_stat.st_flags)
Example #8
| Source File: test_posix.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
|
def test_utime_dir_fd(self):
f = posix.open(posix.getcwd(), posix.O_RDONLY)
try:
now = time.time()
posix.utime(support.TESTFN, None, dir_fd=f)
posix.utime(support.TESTFN, dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, now, dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, "x"), dir_fd=f)
posix.utime(support.TESTFN, (int(now), int(now)), dir_fd=f)
posix.utime(support.TESTFN, (now, now), dir_fd=f)
posix.utime(support.TESTFN,
(int(now), int((now - int(now)) * 1e9)), dir_fd=f)
posix.utime(support.TESTFN, dir_fd=f,
times=(int(now), int((now - int(now)) * 1e9)))
# try dir_fd and follow_symlinks together
if os.utime in os.supports_follow_symlinks:
try:
posix.utime(support.TESTFN, follow_symlinks=False, dir_fd=f)
except ValueError:
# whoops! using both together not supported on this platform.
pass
finally:
posix.close(f)
Example #9
| Source File: test_posix.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
|
def test_utime_dir_fd(self):
f = posix.open(posix.getcwd(), posix.O_RDONLY)
try:
now = time.time()
posix.utime(support.TESTFN, None, dir_fd=f)
posix.utime(support.TESTFN, dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, now, dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now), dir_fd=f)
self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, "x"), dir_fd=f)
posix.utime(support.TESTFN, (int(now), int(now)), dir_fd=f)
posix.utime(support.TESTFN, (now, now), dir_fd=f)
posix.utime(support.TESTFN,
(int(now), int((now - int(now)) * 1e9)), dir_fd=f)
posix.utime(support.TESTFN, dir_fd=f,
times=(int(now), int((now - int(now)) * 1e9)))
# try dir_fd and follow_symlinks together
if os.utime in os.supports_follow_symlinks:
try:
posix.utime(support.TESTFN, follow_symlinks=False, dir_fd=f)
except ValueError:
# whoops! using both together not supported on this platform.
pass
finally:
posix.close(f)
Example #10
| Source File: test_shutil.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
|
def test_copy2_symlinks(self):
tmp_dir = self.mkdtemp()
src = os.path.join(tmp_dir, 'foo')
dst = os.path.join(tmp_dir, 'bar')
src_link = os.path.join(tmp_dir, 'baz')
write_file(src, 'foo')
os.symlink(src, src_link)
if hasattr(os, 'lchmod'):
os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO)
if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
os.lchflags(src_link, stat.UF_NODUMP)
src_stat = os.stat(src)
src_link_stat = os.lstat(src_link)
# follow
shutil.copy2(src_link, dst, follow_symlinks=True)
self.assertFalse(os.path.islink(dst))
self.assertEqual(read_file(src), read_file(dst))
os.remove(dst)
# don't follow
shutil.copy2(src_link, dst, follow_symlinks=False)
self.assertTrue(os.path.islink(dst))
self.assertEqual(os.readlink(dst), os.readlink(src_link))
dst_stat = os.lstat(dst)
if os.utime in os.supports_follow_symlinks:
for attr in 'st_atime', 'st_mtime':
# The modification times may be truncated in the new file.
self.assertLessEqual(getattr(src_link_stat, attr),
getattr(dst_stat, attr) + 1)
if hasattr(os, 'lchmod'):
self.assertEqual(src_link_stat.st_mode, dst_stat.st_mode)
self.assertNotEqual(src_stat.st_mode, dst_stat.st_mode)
if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'):
self.assertEqual(src_link_stat.st_flags, dst_stat.st_flags)
Example #11
| Source File: test_shutil.py From ironpython3 with Apache License 2.0 | 5 votes |
|
def test_copystat_symlinks(self):
tmp_dir = self.mkdtemp()
src = os.path.join(tmp_dir, 'foo')
dst = os.path.join(tmp_dir, 'bar')
src_link = os.path.join(tmp_dir, 'baz')
dst_link = os.path.join(tmp_dir, 'qux')
write_file(src, 'foo')
src_stat = os.stat(src)
os.utime(src, (src_stat.st_atime,
src_stat.st_mtime - 42.0)) # ensure different mtimes
write_file(dst, 'bar')
self.assertNotEqual(os.stat(src).st_mtime, os.stat(dst).st_mtime)
os.symlink(src, src_link)
os.symlink(dst, dst_link)
if hasattr(os, 'lchmod'):
os.lchmod(src_link, stat.S_IRWXO)
if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
os.lchflags(src_link, stat.UF_NODUMP)
src_link_stat = os.lstat(src_link)
# follow
if hasattr(os, 'lchmod'):
shutil.copystat(src_link, dst_link, follow_symlinks=True)
self.assertNotEqual(src_link_stat.st_mode, os.stat(dst).st_mode)
# don't follow
shutil.copystat(src_link, dst_link, follow_symlinks=False)
dst_link_stat = os.lstat(dst_link)
if os.utime in os.supports_follow_symlinks:
for attr in 'st_atime', 'st_mtime':
# The modification times may be truncated in the new file.
self.assertLessEqual(getattr(src_link_stat, attr),
getattr(dst_link_stat, attr) + 1)
if hasattr(os, 'lchmod'):
self.assertEqual(src_link_stat.st_mode, dst_link_stat.st_mode)
if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'):
self.assertEqual(src_link_stat.st_flags, dst_link_stat.st_flags)
# tell to follow but dst is not a link
shutil.copystat(src_link, dst, follow_symlinks=False)
self.assertTrue(abs(os.stat(src).st_mtime - os.stat(dst).st_mtime) <
00000.1)
Example #12
| Source File: test_shutil.py From ironpython3 with Apache License 2.0 | 5 votes |
|
def test_copy2_symlinks(self):
tmp_dir = self.mkdtemp()
src = os.path.join(tmp_dir, 'foo')
dst = os.path.join(tmp_dir, 'bar')
src_link = os.path.join(tmp_dir, 'baz')
write_file(src, 'foo')
os.symlink(src, src_link)
if hasattr(os, 'lchmod'):
os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO)
if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
os.lchflags(src_link, stat.UF_NODUMP)
src_stat = os.stat(src)
src_link_stat = os.lstat(src_link)
# follow
shutil.copy2(src_link, dst, follow_symlinks=True)
self.assertFalse(os.path.islink(dst))
self.assertEqual(read_file(src), read_file(dst))
os.remove(dst)
# don't follow
shutil.copy2(src_link, dst, follow_symlinks=False)
self.assertTrue(os.path.islink(dst))
self.assertEqual(os.readlink(dst), os.readlink(src_link))
dst_stat = os.lstat(dst)
if os.utime in os.supports_follow_symlinks:
for attr in 'st_atime', 'st_mtime':
# The modification times may be truncated in the new file.
self.assertLessEqual(getattr(src_link_stat, attr),
getattr(dst_stat, attr) + 1)
if hasattr(os, 'lchmod'):
self.assertEqual(src_link_stat.st_mode, dst_stat.st_mode)
self.assertNotEqual(src_stat.st_mode, dst_stat.st_mode)
if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'):
self.assertEqual(src_link_stat.st_flags, dst_stat.st_flags)
Example #13
| Source File: shutil.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #14
| Source File: shutil.py From android_universal with MIT License | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""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.
If the optional flag `follow_symlinks` is not set, symlinks aren't
followed if and only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #15
| Source File: shutil.py From odoo13-x64 with GNU General Public License v3.0 | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""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.
If the optional flag `follow_symlinks` is not set, symlinks aren't
followed if and only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
# We must copy extended attributes before the file is (potentially)
# chmod()'ed read-only, otherwise setxattr() will error with -EACCES.
_copyxattr(src, dst, follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
Example #16
| Source File: shutil.py From Carnets with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #17
| Source File: shutil.py From jawfish with MIT License | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #18
| Source File: shutil.py From python2017 with MIT License | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #19
| Source File: shutil.py From python with Apache License 2.0 | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #20
| Source File: shutil.py From ironpython3 with Apache License 2.0 | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #21
| Source File: shutil.py From scylla with Apache License 2.0 | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #22
| Source File: shutil.py From Imogen with MIT License | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #23
| Source File: shutil.py From Fluid-Designer with GNU General Public License v3.0 | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #24
| Source File: shutil.py From GraphicDesignPatternByPython with MIT License | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
Example #25
| Source File: shutil.py From kobo-predict with BSD 2-Clause "Simplified" License | 4 votes |
|
def copystat(src, dst, *, follow_symlinks=True):
"""Copy all stat info (mode bits, atime, mtime, flags) from src to dst.
If the optional flag `follow_symlinks` is not set, symlinks aren't followed if and
only if both `src` and `dst` are symlinks.
"""
def _nop(*args, ns=None, follow_symlinks=None):
pass
# follow symlinks (aka don't not follow symlinks)
follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
if follow:
# use the real function if it exists
def lookup(name):
return getattr(os, name, _nop)
else:
# use the real function only if it exists
# *and* it supports follow_symlinks
def lookup(name):
fn = getattr(os, name, _nop)
if fn in os.supports_follow_symlinks:
return fn
return _nop
st = lookup("stat")(src, follow_symlinks=follow)
mode = stat.S_IMODE(st.st_mode)
lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
follow_symlinks=follow)
try:
lookup("chmod")(dst, mode, follow_symlinks=follow)
except NotImplementedError:
# if we got a NotImplementedError, it's because
# * follow_symlinks=False,
# * lchown() is unavailable, and
# * either
# * fchownat() is unavailable or
# * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
# (it returned ENOSUP.)
# therefore we're out of options--we simply cannot chown the
# symlink. give up, suppress the error.
# (which is what shutil always did in this circumstance.)
pass
if hasattr(st, 'st_flags'):
try:
lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
except OSError as why:
for err in 'EOPNOTSUPP', 'ENOTSUP':
if hasattr(errno, err) and why.errno == getattr(errno, err):
break
else:
raise
_copyxattr(src, dst, follow_symlinks=follow)
