Python Routine Examples

Example #1

File: distiller.py Project: densitydesign/sven

def start_routine( type, corpus=None ):
	"""
	If a routine does not exist, it will create it.
	If a routine exists and:
		1. is OK, routine will be set to RIP; a new one will be created.
		2. is PN, outine won't be overridden and 
	Return the current routine, created or not.
	"""
	from sven.anta.models import Routine
	from django.db.models import Q

	logger.info( "starting '%s' routine on corpus '%s'[%s]" %( type, corpus.name, corpus.id ) )

	# exclude finished, closed with error and closed tout-court.
	working_routines = Routine.objects.filter( Q( status=Routine.PENDING ) | Q( status=Routine.START ), corpus=corpus ).order_by("-start_date")
	if working_routines.count() > 0:
		logger.warning( "a routine [id:%s] on corpus '%s'[%s] has not been completed. We're busy..." %( working_routines[0].id, corpus.name, corpus.id ) )
		return working_routines[0]

	# start new routine
	try:
		r = Routine( type=type, corpus=corpus, status=Routine.START )
		r.save()
	except:
		logger.exception( "Cannot create a routine object on corpus '%s'[%s]" %( corpus.name, corpus.id )  )
		return None
	return r

Example #2

File: distiller.py Project: giorgiocaviglia/sven

def start_routine( type, corpus=None ):
	"""
	If a routine does not exist, it will create it.
	If a routine exists and:
		1. is OK, routine will be set to RIP; a new one will be created.
		2. is PN, outine won't be overridden and 
	Return the current routine, created or not.
	"""
	from sven.anta.models import Routine
	# exclude finished, closed with error and closed tout-court.
	try:
		r = Routine.objects.exclude( status="OK").exclude(status="CLO").exclude(status="RIP").filter( type=type, corpus=corpus ).order_by( "-pk")[0]
	except Exception, e:
		# normally List index out of range, create a brand new one
		r = Routine( type=type, corpus=corpus )
		r.save()
		return r