def get(self, session_id):
if session_id not in self._data_handler:<EOL><INDENT>return {}<EOL><DEDENT>session_obj = self._data_handler[session_id]<EOL>now = datetime.utcnow()<EOL>expires = session_obj.get('<STR_LIT>', now)<EOL>if expires > now:<EOL><INDENT>return session_obj<EOL><DEDENT>return {}<EOL>
get session object from host.