def schedule(self, period, callable_func):
"""Schedule a new periodic job.
New job will call C{callable} every C{period} seconds. If
C{callable} is already registered with another job,
this function will raise an JobAlreadyScheduled exception.
This method cannot be used to schedule jobs before syncdb
has been done (i.e. for example outside a function context).
For that you need to use C{Job.objects.schedule_post_syncdb}.
See L{JobManager.schedule_post_syncdb}.
@param period: time between runs in seconds.
@type period: integer
@param callable: function to call for executing the job.
@type callable: Callable
@return: The new L{Job} instance.
@raise JobAlreadyScheduled: If callable is already
called by another Job.
"""
callable_name = stringify_func(callable_func)
next_run_time = datetime.now() + timedelta(seconds=period)
job, created = self.get_or_create(callable_name=callable_name,
defaults=dict(
period=period,
next_run_time=next_run_time,
))
if not created:
raise JobAlreadyScheduled(job)
else:
return job
def schedule(self, period, callable_func):
"""Schedule a new periodic job.
New job will call C{callable} every C{period} seconds. If
C{callable} is already registered with another job,
this function will raise an JobAlreadyScheduled exception.
This method cannot be used to schedule jobs before syncdb
has been done (i.e. for example outside a function context).
For that you need to use C{Job.objects.schedule_post_syncdb}.
See L{JobManager.schedule_post_syncdb}.
@param period: time between runs in seconds.
@type period: integer
@param callable: function to call for executing the job.
@type callable: Callable
@return: The new L{Job} instance.
@raise JobAlreadyScheduled: If callable is already
called by another Job.
"""
callable_name = stringify_func(callable_func)
next_run_time = datetime.now() + timedelta(seconds=period)
job, created = self.get_or_create(
callable_name=callable_name,
defaults=dict(
period=period,
next_run_time=next_run_time,
)
)
if not created:
raise JobAlreadyScheduled(job)
else:
return job
def unschedule(self, callable_func):
"""Removes periodic scheduling of a job.
@param callable: The callable which was used to
schedule the job.
@type callable: Callable.
@raise JobNotScheduled: If callable is not scheduled.
"""
try:
job = self.get(callable_name=stringify_func(callable_func))
except self.model.DoesNotExist:
raise JobNotScheduled(callable_func)
job.delete()
def unschedule(self, callable_func):
"""Removes periodic scheduling of a job.
@param callable: The callable which was used to
schedule the job.
@type callable: Callable.
@raise JobNotScheduled: If callable is not scheduled.
"""
try:
job = self.get(
callable_name=stringify_func(callable_func))
except self.model.DoesNotExist:
raise JobNotScheduled(callable_func)
job.delete()
def get_for(self, callable_func):
"""Get the job corresponding the callable."""
return self.get(callable_name=stringify_func(callable_func))
def get_for(self, callable_func):
"""Get the job corresponding the callable."""
return self.get(
callable_name=stringify_func(callable_func))
