From 7da1dcda4a8290d9ff116f967e50108a6c355848 Mon Sep 17 00:00:00 2001
From: Vivek Anand <vivekanand1101@gmail.com>
Date: Nov 01 2016 17:46:36 +0000
Subject: some code beautification in library widget


---

diff --git a/hubs/widgets/library.py b/hubs/widgets/library.py
index c476ced..b18354a 100644
--- a/hubs/widgets/library.py
+++ b/hubs/widgets/library.py
@@ -16,8 +16,12 @@ position = 'both'
           help="A comma separated list of URLs to add to the library. "
           "External links must include the whole link (starting with http...)")
 def data(session, widget, urls):
+    ''' Data for the Library widget. Given the widget, it
+    returns the hypertext links of it's configuration urls '''
+
     urls = [
-        clean_input.clean('<a href="{0}">{0}</a>'.format(u.encode('utf-8').strip()))
+        clean_input.clean(
+            '<a href="{0}">{0}</a>'.format(u.encode('utf-8').strip()))
         for u in widget.config.get('urls', '').split(',')
         if u.encode('utf-8').strip()
     ]
@@ -26,6 +30,9 @@ def data(session, widget, urls):
 
 @hint(topics=[_('hubs.widget.update')])
 def should_invalidate(message, session, widget):
+    ''' Check if the Library widget cache needs an update.
+    Called by a backend daemon listening to fedmsg '''
+
     if not message['topic'].endswith('hubs.widget.update'):
         return False
     if message['msg']['widget']['id'] != widget.id: