It's ram_tot = self.ram_1 + self.ram_2
that returns me "cannot contenate int and NOne
On Monday, April 13, 2015 at 10:05:49 PM UTC+2, makayabou wrote:
>
> Hello,
> I'm sorry for that trivial problem, but I'm still a bit lost...
>
> [code]
> #In models.py:
>
> class Ordi(models.Model):
> RAM_CAP_1 = 1024
> RAM_CAP_2 = 2048
> RAM_CAP_CHOICES = (
> (RAM_CAP_1, u'1G'),
> (RAM_CAP_2, u'2G'),
> )
> ram_1 = models.IntegerField("memory slot 1", max_length=10,
> choices=RAM_CAP_CHOICES, null= True, blank=True)
> ram_2 = models.IntegerField("memory slot 2", max_length=10,
> choices=RAM_CAP_CHOICES, null= True, blank=True)
>
> def ram_total(self):
> ram_tot = self.ram_capacite_1 + self.ram_capacite_2
> #
> # Here, python can't contenate int and NoneType...
> #
> return ram_tot
> def maintenus(self):
> ordis_maintenus = self.maintenance_set.all()
> for o in ordis_maintenus:
> return o.__unicode__
> def __unicode__(self):
> return 'ordi '+unicode(self.id)+' - '+self.renvoios()
>
>
> class Maintenance(models.Model):
> ordi = models.ForeignKey(Ordi)
> def __unicode__(self):
> return self.titre + " du " +self.date_sortie.strftime('%m/%d/%Y')
>
> [/code]
>
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