Decoupled page transformation interface, added default transformation support

apps/converter/__init__.py

@@ -3,3 +3,14 @@ import tempfile
 from common.conf import settings as common_settings
 
 TEMPORARY_DIRECTORY = common_settings.TEMPORARY_DIRECTORY if common_settings.TEMPORARY_DIRECTORY else tempfile.mkdtemp()
+
+#ugettext = lambda s: s
+
+#TRANFORMATION_ROTATE = (u'-rotate %(degrees)d', ugettext(u'Rotation, arguments: degrees'))
+TRANFORMATION_CHOICES = {
+    'rotate':'-rotate %(degrees)d'
+}
+
+#getattr(settings, 'CONVERTER_TRANSFORMATION_LIST', [
+#    TRANFORMATION_ROTATE,
+#    ])