Added view to list supported file formats and reported by the converter backend

apps/converter/views.py

@@ -1 +1,49 @@
-# Create your views here.
+from django.utils.translation import ugettext_lazy as _
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.utils.importlib import import_module
+
+from converter.conf.settings import GRAPHICS_BACKEND
+
+
+def _lazy_load(fn):
+    _cached = []
+
+    def _decorated():
+        if not _cached:
+            _cached.append(fn())
+        return _cached[0]
+    return _decorated
+
+
+@_lazy_load
+def _get_backend():
+    return import_module(GRAPHICS_BACKEND)
+
+try:
+    backend = _get_backend()
+except ImportError:
+    raise ImportError(u'Missing or incorrect converter backend: %s' % GRAPHICS_BACKEND)
+
+
+def formats_list(request):
+    #check_permissions(request.user, [PERMISSION_DOCUMENT_VIEW])
+
+    context = {
+        'title': _(u'suported file formats'),
+        'hide_object': True,
+        'object_list': backend.get_format_list(),
+        'extra_columns': [
+            {
+                'name': _(u'name'),
+                'attribute': lambda x: x[0]
+            },
+            {
+                'name': _(u'description'),
+                'attribute': lambda x: x[1]
+            }
+        ]
+    }
+
+    return render_to_response('generic_list.html', context,
+        context_instance=RequestContext(request))