Interestingly, it seems that (at 1.7b4, at least) the widget DOES display the document link if the file is added to the initial data for the form. I missed deleting that portion of the code from last night, and running it this morning django rendered the widget as shown in the image below. In other words, it behaves like any other form field.
<https://lh5.googleusercontent.com/-2NwoMNLz0nM/U5HJrV3Od6I/AAAAAAAAAH0/61r5_mYoGJI/s1600/fileupload.png> On Thursday, June 5, 2014 3:41:11 PM UTC-5, Tom Evans wrote: > > On Thu, Jun 5, 2014 at 8:12 PM, Shawn H <shawn....@gmail.com <javascript:>> > wrote: > > I've been trying to understand how to handle file uploads, and I've got > the > > upload portion down. I have a FileField in my form, process it in my > view, > > and it's saved in the correct location as specified in MEDIA_ROOT and > the > > upload_to attribute of the Model. My problem is, when I try to bind the > > uploaded document in a GET request, nothing is working. I tried > following > > the documentation in the docs, but when I do that I get a 'FieldFile' > does > > not have the buffer interface error. How do I bind the file to the form > so > > it's available to the user to download or open, while preserving the > ability > > for the user to replace the uploaded file? Do I have to extract the > file > > from the model field before binding it to the form? Code below. Thanks > in > > advance > > > > form_data = { > > 'sub_id':s.id, > > ... > > 'sub_verified_by':s.verified_by > > } > > form_file = {'sub_pdr': SimpleUploadedFile('SubmissionPDR.docx', > > s.pdr_file)} > > form = SubmissionEditForm(form_data, form_file) > > I think you are trying to redisplay a form that has already been > submitted, with the file there? This is not going to work, mainly > because a file field in a form never has an initial value, but also > because it is the wrong approach. > > To display all the fields apart from the file field, you should be > passing the form data to the form as initial, not as data - eg > SubmissionEditForm(initial=form_data) - so that you do not create a > bound form - a form that has been submitted already. > > To make the file available to download, you simply add the url to the > file to your template context - s.pdr_file.url - and make a link to it > - no forms involved. Or just add 's', and access it in the template: > > {% if s.pdr_file %} > <a href="{{ s.pdr_file.url }}">Download file</a> > {% endif %} > > Cheers > > Tom > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/56bfb894-ac59-4541-a450-e1c909068bad%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
