def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def delete_comment(self):
        "Delete the selected comment"

        if self.get_selected_item()['type'] == 'Comment':
            self.delete_item()
        else:
            self.term.flash()