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from django.shortcuts import get_object_or_404, render_to_response
from django.http import HttpResponse, HttpResponseRedirect
from django.contrib.auth.decorators import login_required
from django.core.urlresolvers import reverse
from django.contrib.contenttypes.models import ContentType
from models import Image
from settings import MEDIA_ROOT
from django.core.files.uploadedfile import SimpleUploadedFile
from django.conf import settings
from forms import UploadImageForm
def get_real_ip(request):
""" Returns the real user IP, even if behind a proxy.
Set BEHIND_PROXY to True in your settings if Django is
running behind a proxy.
"""
if getattr(settings, 'BEHIND_PROXY', False):
return request.META['HTTP_X_FORWARDED_FOR']
return request.META['REMOTE_ADDR']
def display( request, image, revision ):
revision = int(revision)
img = get_object_or_404( Image, name = image, revision = revision )
extension = img.image.path[-3:].lower()
if extension not in ("png","gif","jpg","bmp"):
extension = "png"
r = HttpResponse()
r['Content-Type'] = 'image/%s' % extension
r.write(img.image.read())
return r
@login_required
def upload(request,content_type,object_id, next="/"):
if request.method == 'POST':
form = UploadImageForm(request.POST, request.FILES) # A form bound to the POST data
if form.is_valid(): # All validation rules pass
Image.objects.create_and_save_image(user=request.user,image=request.FILES["imagename"],
content_type=ContentType.objects.get(pk=content_type),object_id=object_id, ip=get_real_ip(request))
return HttpResponseRedirect(next) # Redirect after POST
else:
form = UploadImageForm() # An unbound form
return render_to_response('wlimages/upload.html', {
'upload_form': form,
})
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