def __rrshift__(self, iterable):
etafmt = '(eta: {:d}:{:02d}:{:02d})'
endfmt = '(took: {:d}:{:02d}:{:02d})'
start_time = time.clock()
up_time = time.clock()
for i, e in enumerate(iterable):
if (time.clock() - up_time) >= self.every_sec:
up_time = time.clock()
per_done = 100 * i / self.n
sec_consumed = int(time.clock() - start_time)
eta = sec_consumed * (self.n / float(i) - 1) if i else 0
tstr = timestr(eta, etafmt)
text = '\rprogress: {}% {}'.format(per_done, tstr)
console(text, end='')
yield e
duration = int(time.clock() - start_time)
text = '\rprogress: 100% {}'.format(timestr(duration, endfmt))
console(text)
def test_timestr():
assert timestr('') == ''
assert timestr('80') == '0:01:20'