Set .pet and .type null=True, save with commit=True, add the values, and
save again?
also see
http://www.djangoproject.com/documentation/modelforms/#the-save-method on
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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