<s> from google . appengine . ext import db <EOL> class PostDump ( db . Model ) : <EOL> handle = db . StringProperty ( required = True ) <EOL> json = db . TextProperty ( ) <EOL> group = db . StringProperty ( ) <EOL> touch_time = db . DateTimeProperty ( auto_now_add = True , <EOL> auto_now = True ) </s>
