updated hello world example with caching

widgets/hello_world.py

@@ -2,9 +2,24 @@
 #
 #geckoboard_types is a dictionary of available widget types as defined by geckoboard. see README.
 
-def hello_world(geckoboard_types):
+def hello_world(geckoboard_types,cache):
+
+ #get the response object to extend
  my_widget = geckoboard_types["number_and_secondary_stat"]
- my_widget["item"][0]["value"] = 5
- my_widget["item"][1]["value"] = 1
+
+ #do whatever calculation you need
+ my_new_value = 5
+
+ #update the new value
+ my_widget["item"][0]["value"] = my_new_value
+
+ #get the old one if it exists
+ if "hello_world_foobar" in cache.keys():
+ my_widget["item"][1]["value"] = cache["hello_world_foobar"]
+ else:
+ my_widget["item"][1]["value"] = 0
+
+ #save for next time
+ cache["hello_world_foobar"] = my_new_value
 
  return my_widget