Django Managers

managers.py

from managers import TicketManager

class Ticket(models.Model):
	empresa = models.CharField()
	folio = models.CharField()

	objects = TicketManager()
################################################ managers.py


class TicketManager(models.Manager):
	def por_empresa(self, empresa):
		return self.filter(empresa=empresa)

################################################
Ticket.objects.por_empresa(empresa="panaderia")