I think Django could add new API for FileField such as FileField.change_path(new_path)
On Aug 3, 7:28 am, Shuge Lee <shuge....@gmail.com> wrote: > Please take a lookhttp://dpaste.com/74606/ > > or here > > # in models.py > > UNAPPROVE = 0 > ACCEPT = 1 > REJECT = 2 > > unapprove_path = os.path.join(MEDIA_ROOT, 'unapprove') > accept_path = os.path.join(MEDIA_ROOT, 'accept') > reject_path = os.path.join(MEDIA_ROOT, 'reject') > > def get_filepath(instance, filename): > i = instance > > suffix = os.path.splitext(filename)[-1] > newfile = osp.join(i.category, i.name + suffix) > > if i.status == UNAPPROVE: > path = os.path.join(unapprove_path, newfile) > elif i.status == ACCEPT: > path = os.path.join(accept_path, newfile) > elif i.status == REJECT: > path = os.path.join(reject_path, newfile) > return path > > class Category(models.Model): > name = models.CharField(max_length=32, unique=True, null=True) > > def __unicode__(self): > return self.name > > class Meta: > verbose_name_plural = 'Categories' > > def save(self): > self.name = self.name.replace(' ', '-') > super(Category, self).save() > > class Seed(models.Model): > name = models.CharField(max_length=128) > > files = models.FileField(upload_to=get_filepath, blank=True, > null=True) > > category = models.ForeignKey(Category) > status = models.IntegerField(max_length=1, > choices=SEED_STATUS_CHOICES, default=UNAPPROVE) > > def __unicode__(self): > return self.name > > def save(self, force_insert=False, force_update=False): > self.name = self.name.replace(' ', '-') > super(Seed, self).save() > > However, how to make `files` field be modified automatically while > `status` field changed ? > > """ > ================================================================ > > For example, I add new record > > from django.core.files import File > myfile = File(open('/tmp/old.7z')) > t.Seed(name='TCPL', category=Category(pk=1), status=UNAPPROVE) > t.files.save(name=t.name, content=myfile) > t.save() > > t.status = ACCEPT > # I want t.files changed automatically here > # How to do it ? > t.save() > > """ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
