class CommandTask(object):
"""
Context Manager to handle both parallel running and maintenance mode, it:
- do not allow to run two django command wir the same ``session_key``
- do not allow to run the command if Maintenance-mode is active/pending
session_key id of current command
force if True ignore lock and run in parralel, if any
timeout timeout for locking release
check_maintenance check Maintenance mode
"""
def __init__(self,
session_key,
force=False,
timeout=1,
check_maintenance=False):
self._key = "%s.lock" % session_key
self.lock = FileLock(self._key)
if check_maintenance:
if api.is_pending() or api.is_offline():
raise MaintenanceModeError('Maintenance mode activated')
if force:
self.lock.break_lock()
try:
self.lock.acquire(timeout)
except (AlreadyLocked, LockFailed, LockTimeout), e:
raise CommandRunningError('Unable to lock', e)
def __init__(self,
session_key,
force=False,
timeout=1,
check_maintenance=False):
"""
:param session_key: id of current command
:param force: if True ignore lock and run in parallel, if any
:param timeout: timeout for locking release
:param check_maintenance: check Maintenance mode
:return:
"""
self._key = "%s.lock" % session_key
self.lock = FileLock(self._key)
if check_maintenance:
if api.is_pending() or api.is_offline():
raise MaintenanceModeError('Maintenance mode activated')
if force:
self.lock.break_lock()
try:
self.lock.acquire(timeout)
except (AlreadyLocked, LockFailed, LockTimeout), e:
raise CommandRunningError('Unable to lock', e)
class CommandTask(object):
"""
Context Manager to handle both parallel running and maintenance mode, it:
- do not allow to run two django command with the same ``session_key``
- do not allow to run the command if Maintenance-mode is active/pending
"""
def __init__(self, session_key, force=False, timeout=1,
check_maintenance=False):
"""
:param session_key: id of current command
:param force: if True ignore lock and run in parallel, if any
:param timeout: timeout for locking release
:param check_maintenance: check Maintenance mode
:return:
"""
self._key = "%s.lock" % session_key
self.lock = FileLock(self._key)
if check_maintenance:
if api.is_pending() or api.is_offline():
raise MaintenanceModeError('Maintenance mode activated')
if force:
self.lock.break_lock()
try:
self.lock.acquire(timeout)
except (AlreadyLocked, LockFailed, LockTimeout), e:
raise CommandRunningError('Unable to lock', e)
def __init__(self,
session_key,
force=False,
timeout=1,
check_maintenance=False):
self._key = "%s.lock" % session_key
self.lock = FileLock(self._key)
if check_maintenance:
if api.is_pending() or api.is_offline():
raise MaintenanceModeError('Maintenance mode activated')
if force:
self.lock.break_lock()
try:
self.lock.acquire(timeout)
except (AlreadyLocked, LockFailed, LockTimeout), e:
raise CommandRunningError('Unable to lock', e)
def __init__( self, session_key, force=False, timeout=1, check_maintenance=False):
self._key = "%s.lock" % session_key
self.lock = FileLock(self._key)
if check_maintenance:
if api.is_pending() or api.is_offline():
raise MaintenanceModeError('Maintenance mode activated')
if force:
self.lock.break_lock()
try:
self.lock.acquire(timeout)
except (AlreadyLocked, LockFailed, LockTimeout), e:
raise CommandRunningError('Unable to lock', e)
def __init__(self, session_key, force=False, timeout=1,
check_maintenance=False):
"""
:param session_key: id of current command
:param force: if True ignore lock and run in parallel, if any
:param timeout: timeout for locking release
:param check_maintenance: check Maintenance mode
:return:
"""
self._key = "%s.lock" % session_key
self.lock = FileLock(self._key)
if check_maintenance:
if api.is_pending() or api.is_offline():
raise MaintenanceModeError('Maintenance mode activated')
if force:
self.lock.break_lock()
try:
self.lock.acquire(timeout)
except (AlreadyLocked, LockFailed, LockTimeout), e:
raise CommandRunningError('Unable to lock', e)
