tile info - raise error

reports/views.py

@@ -294,6 +294,7 @@ def tiles(request, purchase_id, report, date, z, x, y):
     if not os.path.exists(image_path):
         # raise Http404
         return HttpResponse(None, content_type="image/png")
+        # image_path = USERS_PATH + 'none.png'
 
     image = open(image_path, "rb").read()
     return HttpResponse(image, content_type="image/png")
@@ -306,6 +307,9 @@ def tileinfo(request):
         absolute_path = USERS_PATH + request.user.email + '/' + req['purchase_id'][0] + '/out'
         resource_path = '/' + req['report'][0] + '/tiles' + '/' + req['date'][0] + '_TCI_60m/tilemapresource.xml'
 
+        if not os.path.exists(absolute_path + resource_path):
+            raise Http404
+
         tree = ET.parse(absolute_path + resource_path)
         bounding_box = tree.find('BoundingBox')
         sets = [set.get('order') for set in tree.findall('TileSets/TileSet')]