Human-readable time delta.

human_readable_time_delta.py

from collections import namedtuple
human_delta = namedtuple('human_delta',
                         ['days', 'hours', 'minutes', 'seconds'])
human_delta.__str__ = lambda self: \
    '%d days, %d hours, %d minutes, %d seconds' % \
    (self.days, self.hours, self.minutes, self.seconds)


def convert_timedelta(duration):
    days, seconds = duration.days, duration.seconds
    hours = seconds // 3600
    minutes = (seconds % 3600) // 60
    seconds = (seconds % 60)
    return human_delta(days, hours, minutes, seconds)