Re: Button action to delete files from server

[Enyert Viñas]

Django provides a File class (django.core.files.File) with File.save() and File.delete methods. You can associate an action to delete and use File.delete() to do this task.

2012/9/17 xactive <xact...@googlemail.com>

I have little experience with Django/Python but have a problem that I need to solve.

Currently I have a button action that allows users of a website to download files from a displayed list. I want to add a button to allow users to delete the files if required.

The current download button is set up as follows on the page itself:

<a id="download" href="/portal/files/{{ file.id }}/?action=download">Download</a>

And as far as I can see there is a file called views.py which contains code as follows:

@login_required(login_url='/portal/login/', redirect_field_name=None)

def file_view(request, id, template_name='portal/file_view.html'):

    try:

        f = File.objects.get(pk=id)

    except File.DoesNotExist:

        raise Http404

    

    if request.user not in f.recipients.all() and request.user != f.owner:

        return HttpResponseForbidden()

    

    if request.GET.has_key('action') and request.GET['action'] == 'download':

        

        filename = f.file_obj.name.rsplit('/', 1)[1]

        

        response = HttpResponse()

        response['Content-Disposition'] = 'attachment; filename=%s' % filename

        response['Content-Length']      = ''

        response['X-Accel-Redirect']    = '/%s' % f.file_obj.name

        

        return response

        

    return render_to_response(template_name, {

        'file': f

    }, context_instance=RequestContext(request))

Can somebody please help me to create an action to delete files?

Thanks

--
You received this message because you are subscribed to the Google Groups "Django users" group.
To view this discussion on the web visit https://groups.google.com/d/msg/django-users/-/kckZZ137xigJ.
To post to this group, send email to django...@googlegroups.com.
To unsubscribe from this group, send email to django-users...@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/django-users?hl=en.

[Sebastian Henschel]

hey xactive...

a simple solution, without bells & whistles could be this (assuming
File.file_obj is defined as a Django FileField):

On 09/17/2012 01:15 PM, xactive wrote:
> I have little experience with Django/Python but have a problem that I
> need to solve.
>
> Currently I have a button action that allows users of a website to
> download files from a displayed list. I want to add a button to allow
> users to delete the files if required.
>
> The current download button is set up as follows on the page itself:
> <a id="download" href="/portal/files/{{ file.id
> }}/?action=download">Download</a>

add to your template:

<a id="delete" href="/portal/files/{{ file.id }}/?action=delete">Delete</a>

> And as far as I can see there is a file called views.py which contains
> code as follows:
> @login_required(login_url='/portal/login/', redirect_field_name=None)
> def file_view(request, id, template_name='portal/file_view.html'):
> try:
> f = File.objects.get(pk=id)
> except File.DoesNotExist:
> raise Http404
> if request.user not in f.recipients.all() and request.user != f.owner:
> return HttpResponseForbidden()

if request.GET.has_key('action'):
action = request.GET['action']
if action == 'download':

filename = f.file_obj.name.rsplit('/', 1)[1]
response = HttpResponse()
response['Content-Disposition'] = 'attachment; filename=%s' % filename
response['Content-Length'] = ''
response['X-Accel-Redirect'] = '/%s' % f.file_obj.name
return response

elif action == 'delete':
f.file_obj.delete()
# read https://docs.djangoproject.com/en/dev/ref/models/fields/

return render_to_response('portal/file_deleted.html', {},
context_instance=RequestContext(request))

return render_to_response(template_name, {
'file': f
}, context_instance=RequestContext(request))

you still have to create the template file 'portal/file_deleted.html'.
or you do a redirect to another URL instead...

>
> Can somebody please help me to create an action to delete files?
>

hth,
Sebastian

--
Sebastian Henschel, Python Developer Web
txtr GmbH | Rosenthaler Str. 13 | 10119 Berlin | Germany

[xactive]

Many thanks, I'll give that a try.

[xactive]

Sebastian

I'm not sure if I've done something wrong, but this does not seem to work.

What happens now is that the content of the page redirects immediately when it renders, before anything is clicked.

Hope you have a solution?

Thanks

Adam

On Monday, September 17, 2012 1:57:48 PM UTC+1, Sebastian Henschel wrote: