Python errno.ENOSYS Examples
The following are 30
code examples of errno.ENOSYS().
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and go to the original project or source file by following the links above each example.
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Example #1
| Source File: _pslinux.py From teleport with Apache License 2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #2
| Source File: _pslinux.py From vnpy_crypto with MIT License | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #3
| Source File: _pslinux.py From backdoorme with MIT License | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #4
| Source File: _pslinux.py From psutil with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #5
| Source File: _pslinux.py From jarvis with GNU General Public License v2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #6
| Source File: _pslinux.py From backdoorme with MIT License | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #7
| Source File: construct_setups.py From f5-openstack-agent with Apache License 2.0 | 6 votes |
|
def _build_stdeb_cfg(wkg):
setup_cfg = glob.glob(wkg + "/*-dist/deb_dist/stdeb.cfg")
setup = wkg + "/setup_requirements.txt"
fmt = "%s (%s),"
if not setup_cfg:
dist = glob.glob(wkg + "/*-dist")
if not dist:
print(str(EnvironmentError("Unable to find a *-dist directory")))
print("No dist directory under: " + wkg)
exit_cleanly(error_number=errno.ENOSYS)
deb_dist = dist[0] + "/deb_dist"
try:
os.mkdir(deb_dist)
except IOError as Error:
if not os.path.isdir(deb_dist):
print(str(Error))
print("Unable to determine the existence of: " + deb_dist)
exit_cleanly(error_number=errno.ENOSYS)
setup_cfg = deb_dist + "/stdeb.cfg"
else:
setup_cfg = setup_cfg[0]
_construct_file(setup_cfg, setup, fmt, 'Depends:\n ')
Example #8
| Source File: construct_setups.py From f5-openstack-agent with Apache License 2.0 | 6 votes |
|
def construct_cfgs(**kargs):
"""construct_cfgs
Performs actions to construct either the setup.cfg (rpm) or stdeb.cfg (deb)
files as per the operating system specified. This construction is done as
per the setup_requirements.txt file from within the working directory
specified.
This is a very tempermental function by design. It intentionally exits
with a non-zero if/when an error has occurred on its own. Therefore, it is
not suggested to use this function if you intend to get control back again.
"""
docker_dir = _check_args(**kargs)
if not docker_dir or not os.path.isdir(docker_dir):
print("Unable to determine the %s/%s combo under supported versioning"
% (kargs['operating_system'], kargs['version']))
exit_cleanly(error_number=errno.ENOSYS)
if kargs['operating_system'] == 'redhat':
_build_setup_cfg(kargs['working_directory'])
elif kargs['operating_system'] == 'ubuntu':
_build_stdeb_cfg(kargs['working_directory'])
else:
print("Unsure of what to do... operating_system(%s) is not recognized!"
% kargs['operating_system'])
Example #9
| Source File: test_osfs.py From pyfilesystem2 with MIT License | 6 votes |
|
def test_copy_sendfile(self):
# try copying using sendfile
with mock.patch.object(osfs, "sendfile") as sendfile:
sendfile.side_effect = OSError(errno.ENOSYS, "sendfile not supported")
self.test_copy()
# check other errors are transmitted
self.fs.touch("foo")
with mock.patch.object(osfs, "sendfile") as sendfile:
sendfile.side_effect = OSError(errno.EWOULDBLOCK)
with self.assertRaises(OSError):
self.fs.copy("foo", "foo_copy")
# check parent exist and is dir
with self.assertRaises(errors.ResourceNotFound):
self.fs.copy("foo", "spam/eggs")
with self.assertRaises(errors.DirectoryExpected):
self.fs.copy("foo", "foo_copy/foo")
Example #10
| Source File: test_lockfile.py From python-for-android with Apache License 2.0 | 6 votes |
|
def test_rmlinkError(self):
"""
An exception raised by L{rmlink} other than C{ENOENT} is passed up
to the caller of L{FilesystemLock.lock}.
"""
def fakeRmlink(name):
raise OSError(errno.ENOSYS, None)
self.patch(lockfile, 'rmlink', fakeRmlink)
def fakeKill(pid, signal):
if signal != 0:
raise OSError(errno.EPERM, None)
if pid == 43125:
raise OSError(errno.ESRCH, None)
self.patch(lockfile, 'kill', fakeKill)
lockf = self.mktemp()
# Make it appear locked so it has to use readlink
lockfile.symlink(str(43125), lockf)
lock = lockfile.FilesystemLock(lockf)
exc = self.assertRaises(OSError, lock.lock)
self.assertEqual(exc.errno, errno.ENOSYS)
self.assertFalse(lock.locked)
Example #11
| Source File: test_lockfile.py From Safejumper-for-Desktop with GNU General Public License v2.0 | 6 votes |
|
def test_rmlinkError(self):
"""
An exception raised by L{rmlink} other than C{ENOENT} is passed up
to the caller of L{FilesystemLock.lock}.
"""
def fakeRmlink(name):
raise OSError(errno.ENOSYS, None)
self.patch(lockfile, 'rmlink', fakeRmlink)
def fakeKill(pid, signal):
if signal != 0:
raise OSError(errno.EPERM, None)
if pid == 43125:
raise OSError(errno.ESRCH, None)
self.patch(lockfile, 'kill', fakeKill)
lockf = self.mktemp()
# Make it appear locked so it has to use readlink
lockfile.symlink(str(43125), lockf)
lock = lockfile.FilesystemLock(lockf)
exc = self.assertRaises(OSError, lock.lock)
self.assertEqual(exc.errno, errno.ENOSYS)
self.assertFalse(lock.locked)
Example #12
| Source File: _pslinux.py From teleport with Apache License 2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #13
| Source File: _pslinux.py From teleport with Apache License 2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #14
| Source File: _pslinux.py From NoobSec-Toolkit with GNU General Public License v2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #15
| Source File: _pslinux.py From NoobSec-Toolkit with GNU General Public License v2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #16
| Source File: _pslinux.py From NoobSec-Toolkit with GNU General Public License v2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #17
| Source File: _pslinux.py From NoobSec-Toolkit with GNU General Public License v2.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #18
| Source File: _pslinux.py From Splunking-Crime with GNU Affero General Public License v3.0 | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #19
| Source File: semlock.py From loky with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def _sem_open(name, value=None):
""" Construct or retrieve a semaphore with the given name
If value is None, try to retrieve an existing named semaphore.
Else create a new semaphore with the given value
"""
if value is None:
handle = pthread.sem_open(ctypes.c_char_p(name), 0)
else:
handle = pthread.sem_open(ctypes.c_char_p(name), SEM_OFLAG, SEM_PERM,
ctypes.c_int(value))
if handle == SEM_FAILURE:
e = ctypes.get_errno()
if e == errno.EEXIST:
raise FileExistsError("a semaphore named %s already exists" % name)
elif e == errno.ENOENT:
raise FileNotFoundError('cannot find semaphore named %s' % name)
elif e == errno.ENOSYS:
raise NotImplementedError('No semaphore implementation on this '
'system')
else:
raiseFromErrno()
return handle
Example #20
| Source File: test_lockfile.py From learn_python3_spider with MIT License | 6 votes |
|
def test_rmlinkError(self):
"""
An exception raised by L{rmlink} other than C{ENOENT} is passed up
to the caller of L{FilesystemLock.lock}.
"""
def fakeRmlink(name):
raise OSError(errno.ENOSYS, None)
self.patch(lockfile, 'rmlink', fakeRmlink)
def fakeKill(pid, signal):
if signal != 0:
raise OSError(errno.EPERM, None)
if pid == 43125:
raise OSError(errno.ESRCH, None)
self.patch(lockfile, 'kill', fakeKill)
lockf = self.mktemp()
# Make it appear locked so it has to use readlink
lockfile.symlink(str(43125), lockf)
lock = lockfile.FilesystemLock(lockf)
exc = self.assertRaises(OSError, lock.lock)
self.assertEqual(exc.errno, errno.ENOSYS)
self.assertFalse(lock.locked)
Example #21
| Source File: _pslinux.py From Galaxy_Plugin_Bethesda with MIT License | 6 votes |
|
def rlimit(self, resource, limits=None):
# If pid is 0 prlimit() applies to the calling process and
# we don't want that. We should never get here though as
# PID 0 is not supported on Linux.
if self.pid == 0:
raise ValueError("can't use prlimit() against PID 0 process")
try:
if limits is None:
# get
return cext.linux_prlimit(self.pid, resource)
else:
# set
if len(limits) != 2:
raise ValueError(
"second argument must be a (soft, hard) tuple, "
"got %s" % repr(limits))
soft, hard = limits
cext.linux_prlimit(self.pid, resource, soft, hard)
except OSError as err:
if err.errno == errno.ENOSYS and pid_exists(self.pid):
# I saw this happening on Travis:
# https://travis-ci.org/giampaolo/psutil/jobs/51368273
raise ZombieProcess(self.pid, self._name, self._ppid)
else:
raise
Example #22
| Source File: test_lockfile.py From python-for-android with Apache License 2.0 | 5 votes |
|
def test_readlinkErrorPOSIX(self):
"""
Any L{IOError} raised by C{readlink} on a POSIX platform passed to the
caller of L{FilesystemLock.lock}.
On POSIX, unlike on Windows, these are unexpected errors which cannot
be handled by L{FilesystemLock}.
"""
self._readlinkErrorTest(IOError, errno.ENOSYS)
self._readlinkErrorTest(IOError, errno.EACCES)
Example #23
| Source File: test_os.py From gcblue with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_statvfs_attributes(self):
try:
result = os.statvfs(self.fname)
except OSError, e:
# On AtheOS, glibc always returns ENOSYS
if e.errno == errno.ENOSYS:
self.skipTest('glibc always returns ENOSYS on AtheOS')
# Make sure direct access works
Example #24
| Source File: multistore_file.py From luci-py with Apache License 2.0 | 5 votes |
|
def _lock(self):
"""Lock the entire multistore."""
self._thread_lock.acquire()
try:
self._file.open_and_lock()
except IOError as e:
if e.errno == errno.ENOSYS:
logger.warn('File system does not support locking the '
'credentials file.')
elif e.errno == errno.ENOLCK:
logger.warn('File system is out of resources for writing the '
'credentials file (is your disk full?).')
elif e.errno == errno.EDEADLK:
logger.warn('Lock contention on multistore file, opening '
'in read-only mode.')
elif e.errno == errno.EACCES:
logger.warn('Cannot access credentials file.')
else:
raise
if not self._file.is_locked():
self._read_only = True
if self._warn_on_readonly:
logger.warn('The credentials file (%s) is not writable. '
'Opening in read-only mode. Any refreshed '
'credentials will only be '
'valid for this run.', self._file.filename())
if os.path.getsize(self._file.filename()) == 0:
logger.debug('Initializing empty multistore file')
# The multistore is empty so write out an empty file.
self._data = {}
self._write()
elif not self._read_only or self._data is None:
# Only refresh the data if we are read/write or we haven't
# cached the data yet. If we are readonly, we assume is isn't
# changing out from under us and that we only have to read it
# once. This prevents us from whacking any new access keys that
# we have cached in memory but were unable to write out.
self._refresh_data_cache()
Example #25
| Source File: test_os.py From CTFCrackTools with GNU General Public License v3.0 | 5 votes |
|
def test_statvfs_attributes(self):
if not hasattr(os, "statvfs"):
return
try:
result = os.statvfs(self.fname)
except OSError, e:
# On AtheOS, glibc always returns ENOSYS
if e.errno == errno.ENOSYS:
return
# Make sure direct access works
Example #26
| Source File: multistore_file.py From luci-py with Apache License 2.0 | 5 votes |
|
def _lock(self):
"""Lock the entire multistore."""
self._thread_lock.acquire()
try:
self._file.open_and_lock()
except IOError as e:
if e.errno == errno.ENOSYS:
logger.warn('File system does not support locking the '
'credentials file.')
elif e.errno == errno.ENOLCK:
logger.warn('File system is out of resources for writing the '
'credentials file (is your disk full?).')
elif e.errno == errno.EDEADLK:
logger.warn('Lock contention on multistore file, opening '
'in read-only mode.')
elif e.errno == errno.EACCES:
logger.warn('Cannot access credentials file.')
else:
raise
if not self._file.is_locked():
self._read_only = True
if self._warn_on_readonly:
logger.warn('The credentials file (%s) is not writable. '
'Opening in read-only mode. Any refreshed '
'credentials will only be '
'valid for this run.', self._file.filename())
if os.path.getsize(self._file.filename()) == 0:
logger.debug('Initializing empty multistore file')
# The multistore is empty so write out an empty file.
self._data = {}
self._write()
elif not self._read_only or self._data is None:
# Only refresh the data if we are read/write or we haven't
# cached the data yet. If we are readonly, we assume is isn't
# changing out from under us and that we only have to read it
# once. This prevents us from whacking any new access keys that
# we have cached in memory but were unable to write out.
self._refresh_data_cache()
Example #27
| Source File: multistore_file.py From luci-py with Apache License 2.0 | 5 votes |
|
def _lock(self):
"""Lock the entire multistore."""
self._thread_lock.acquire()
try:
self._file.open_and_lock()
except IOError as e:
if e.errno == errno.ENOSYS:
logger.warn('File system does not support locking the '
'credentials file.')
elif e.errno == errno.ENOLCK:
logger.warn('File system is out of resources for writing the '
'credentials file (is your disk full?).')
elif e.errno == errno.EDEADLK:
logger.warn('Lock contention on multistore file, opening '
'in read-only mode.')
elif e.errno == errno.EACCES:
logger.warn('Cannot access credentials file.')
else:
raise
if not self._file.is_locked():
self._read_only = True
if self._warn_on_readonly:
logger.warn('The credentials file (%s) is not writable. '
'Opening in read-only mode. Any refreshed '
'credentials will only be '
'valid for this run.', self._file.filename())
if os.path.getsize(self._file.filename()) == 0:
logger.debug('Initializing empty multistore file')
# The multistore is empty so write out an empty file.
self._data = {}
self._write()
elif not self._read_only or self._data is None:
# Only refresh the data if we are read/write or we haven't
# cached the data yet. If we are readonly, we assume is isn't
# changing out from under us and that we only have to read it
# once. This prevents us from whacking any new access keys that
# we have cached in memory but were unable to write out.
self._refresh_data_cache()
Example #28
| Source File: test_lockfile.py From learn_python3_spider with MIT License | 5 votes |
|
def test_readlinkError(self):
"""
An exception raised by C{readlink} other than C{ENOENT} is passed up to
the caller of L{FilesystemLock.lock}.
"""
self._readlinkErrorTest(OSError, errno.ENOSYS)
self._readlinkErrorTest(IOError, errno.ENOSYS)
Example #29
| Source File: test_os.py From medicare-demo with Apache License 2.0 | 5 votes |
|
def test_statvfs_attributes(self):
if not hasattr(os, "statvfs"):
return
import statvfs
try:
result = os.statvfs(self.fname)
except OSError, e:
# On AtheOS, glibc always returns ENOSYS
import errno
if e.errno == errno.ENOSYS:
return
# Make sure direct access works
Example #30
| Source File: multistore_file.py From luci-py with Apache License 2.0 | 5 votes |
|
def _lock(self):
"""Lock the entire multistore."""
self._thread_lock.acquire()
try:
self._file.open_and_lock()
except IOError as e:
if e.errno == errno.ENOSYS:
logger.warn('File system does not support locking the '
'credentials file.')
elif e.errno == errno.ENOLCK:
logger.warn('File system is out of resources for writing the '
'credentials file (is your disk full?).')
elif e.errno == errno.EDEADLK:
logger.warn('Lock contention on multistore file, opening '
'in read-only mode.')
elif e.errno == errno.EACCES:
logger.warn('Cannot access credentials file.')
else:
raise
if not self._file.is_locked():
self._read_only = True
if self._warn_on_readonly:
logger.warn('The credentials file (%s) is not writable. '
'Opening in read-only mode. Any refreshed '
'credentials will only be '
'valid for this run.', self._file.filename())
if os.path.getsize(self._file.filename()) == 0:
logger.debug('Initializing empty multistore file')
# The multistore is empty so write out an empty file.
self._data = {}
self._write()
elif not self._read_only or self._data is None:
# Only refresh the data if we are read/write or we haven't
# cached the data yet. If we are readonly, we assume is isn't
# changing out from under us and that we only have to read it
# once. This prevents us from whacking any new access keys that
# we have cached in memory but were unable to write out.
self._refresh_data_cache()
