My bad...twas failiing cuz I didn't spell enctype properly...all good.
On Sep 3, 11:50 am, deecodameeko <deecodame...@gmail.com> wrote:
> Thanks guys,
>
> I switched to using the clean method to check multiple fields however
> the file is always None even if I have browsed and found a file I want
> to upload.
>
> def clean(self):
>
> cleaned_data = self.cleaned_data
> store_id = cleaned_data.get('store_id')
> category_id = cleaned_data.get('category_id')
> gender = cleaned_data.get('gender')
> file = cleaned_data.get('file')
>
> if (store_id != '0' or category_id != '0' or gender !=
> '0') and file is None:
> msg = 'You must specify a file to upload'
> self._errors['file'] = self.error_class([msg])
>
> return cleaned_data
>
> On Sep 3, 11:23 am, ringemup <ringe...@gmail.com> wrote:
>
> > Two things going on here:
>
> > 1) Validation that involves checking multiple fields should be done in
> > the form's clean() method rather than its clean_FIELDNAME method. Not
> > all fields are guaranteed to have been added to cleaned_data until you
> > reach the clean() method.
>
> > 2) Try using self.cleaned_data.get('canvas_height') and
> > self.cleaned_data.get('file') instead of directly referencing the
> > dictionary indices. get() will return None if the key is not found
> > (or if the value is None), whereas accessing the index will throw a
> > KeyError if the key is not found -- which you then need to catch if
> > you don't want to interrupt script execution.
>
> > On Sep 3, 10:52 am, deecodameeko <deecodame...@gmail.com> wrote:
>
> > > Hi,
>
> > > I have a file in a form. The file is optional but if the file is not
> > > None, then some other form fields are required as well. For example
> > > the following code checks one of the fields that's required when the
> > > file fields isn't empty:
>
> > > file = forms.FileField(required=False)
>
> > > def clean_canvas_height(self):
>
> > > canvas_height = self.cleaned_data['canvas_height']
> > > file = self.cleaned_data['file']
> > > if file is not None and canvas_height is None:
> > > raise forms.ValidationError('You must specify a canvas
> > > height')
> > > return canvas_height
>
> > > this produces a KeyError which I'm gathering I can't access the file
> > > info this way. My question is how can I go about writting a custom
> > > validation against a file field.
>
> > > Cheers!
>
> > > D
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