def set_summary_time(self, event_key, time_str=None): """Set an event time in self.summary Set values of both event_key + "_time" and event_key + "_time_string". """ if time_str is None: self.summary[event_key + '_time'] = None else: self.summary[event_key + '_time'] = float(str2time(time_str)) self.summary[event_key + '_time_string'] = time_str