facepalm

rest/bar.py

@@ -8,6 +8,6 @@ BARCODE_MAP = {
 def get_bar_code(meta):
     f = BARCODE_MAP.get(meta['format'], None)
     if f is not None:
-        return EAN13(meta['content']).render()
+        return f(meta['content']).render()
 
     return None