Question, why do you need to create a folder for every pet? Why not throw
all pet photos in one folder?That would solve your problem as well.
On Wed, Sep 3, 2008 at 2:49 PM, flynnguy <[EMAIL PROTECTED]> wrote:
>
> I looked at the save_m2m but I don't have any many to many fields so
> that wouldn't do me any good. The problem seems to lie in the fact
> that when I save the image, I need to know the pet ID so it can save
> it in the petid directory. Ie. os.path.join(settings.MEDIA_ROOT,
> 'pet_photos', pet_id, image_filename) so setting null=True for the
> petid still doesn't help me.
>
> I think what I've decided to do is abandon the ModelForm and instead
> use a regular form. (forms.Form) The downside is I have to handle the
> instance creation and saving the file myself but the upside is I can
> do anything I want with the file upload. I have it mostly working, I
> just have to add a few validation checks and such. When I'm done I'll
> post me snippets here in case anyone else has the same problem. Of
> course, I'm open to any alternatives. I may try the initial keyword, I
> somehow couldn't find it in all the documentation.
> -Chris
>
> On Sep 3, 3:58 am, TiNo <[EMAIL PROTECTED]> wrote:
> > Set .pet and .type null=True, save with commit=True, add the values, and
> > save again?
> > also seehttp://
> www.djangoproject.com/documentation/modelforms/#the-save-methodon
> > save_m2m after commit=False.
> >
> > And default does not work indeed, 'initial' does however; you pass it
> when
> > creating the form instance.
> >
> > On Tue, Sep 2, 2008 at 7:49 PM, flynnguy <[EMAIL PROTECTED]> wrote:
> >
> > > Ok, some experimentation has yielded that the problem lies here:
> > > def photoDir(self, filename):
> > > "Callable method used to set directory of media below"
> > > return os.path.join('pet_photos', str(self.pet.id), filename)
> > > Basically what seems to be happening is that it tries to save the file
> > > and then continue on to the post save(commit=False) bits.
> > > Unfortunately in my case, when saving the file, it looks at the pet.id
> > > so I can save the image in say /media/pet_photos/1/ so I have all the
> > > photos related to a pet in the same directory but I haven't set it
> > > yet.
> >
> > > Anyone have any suggestions on a way around this? I was thinking of
> > > having a hidden field but still changing it post save(commit=False) to
> > > avoid a user changing it but that just seems unelegant and I also
> > > can't see a way to set the default value for the hidden field. (adding
> > > defalt=whatever on the forms.CharField() doesn't seem to work)
> > > -Chris
> >
> > > On Sep 2, 12:35 pm, flynnguy <[EMAIL PROTECTED]> wrote:
> > > > I tried the id thing which didn't seem to work but then when I tried
> > > > the null thing I think I found out what is going on. It looks like
> the
> > > > callable save bit for the photo is not getting a pet id so it doesn't
> > > > know where to save it. Of course this is just a guess and I have no
> > > > proof... some more fiddling is needed.
> > > > -Chris
> >
> > > > On Sep 2, 12:21 pm, Daniel Roseman <[EMAIL PROTECTED]>
> > > > wrote:
> >
> > > > > On Sep 2, 4:04 pm, flynnguy <[EMAIL PROTECTED]> wrote:
> >
> > > > > > Found out what was causing the error but not why...
> >
> > > > > > It seems that when I tell my model to not exclude the "pet"
> field,
> > > > > > that everything works fine. (ie, I select a pet from the
> dropdown)
> > > > > > When I add it to the exclude list and try to set it manually I
> get an
> > > > > > error.
> >
> > > > > > What seems to work is allowing the pet selection but then setting
> it
> > > > > > after I do save(commit=False). I'm trying to set it up as a
> hidden
> > > > > > field but I keep getting that it's a required field. I can't seem
> to
> > > > > > figure out how to set a default value. Any ideas why this might
> be
> > > > > > happening?
> > > > > > -Chris
> >
> > > > > You could try this;
> > > > > added_photo.pet_id = pet.id
> >
> > > > > That might work. Otherwise, try allowing null=True in the pet FK
> > > > > field, and doing form.save() then adding the pet then saving again.
> > > > > --
> > > > > DR
> >
>
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