matthias/mayan-edms
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added aditional loggin to the locking app

Browse Source
This commit is contained in:
Roberto Rosario
2011-11-22 15:06:21 -04:00
parent 8a70e325c1
commit c65b6a0309
1 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
apps/lock_manager/managers.py
View File

@@ -14,11 +14,11 @@ logger = logging.getLogger(__name__)
class LockManager(models.Manager):
@transaction.commit_on_success
def acquire_lock(self, name, timeout=None):
logger.debug('DEBUG: trying to acquire lock: %s' % name)
logger.debug('trying to acquire lock: %s' % name)
lock = self.model(name=name, timeout=timeout)
try:
lock.save(force_insert=True)
logger.debug('DEBUG: acquired lock: %s' % name)
logger.debug('acquired lock: %s' % name)
return lock
except IntegrityError:
# There is already an existing lock
@@ -27,14 +27,15 @@ class LockManager(models.Manager):
lock = self.model.objects.get(name=name)
except self.model.DoesNotExist:
# Table based locking
logger.debug('DEBUG: lock: %s does not exist' % name)
logger.debug('lock: %s does not exist' % name)
raise LockError('Unable to acquire lock')
if datetime.datetime.now() > lock.creation_datetime + datetime.timedelta(seconds=lock.timeout):
logger.debug('DEBUG: reseting deleting stale lock: %s' % name)
logger.debug('reseting deleting stale lock: %s' % name)
lock.timeout=timeout
logger.debug('DEBUG: try to reacquire stale lock: %s' % name)
logger.debug('try to reacquire stale lock: %s' % name)
lock.save()
return lock
else:
logger.debug('unable to acquire lock: %s' % name)
raise LockError('Unable to acquire lock')