Messages with a time stamp

Sun May 3 05:10:40 EDT 2015

On May 3, 2015, at 10:22, Cecil Westerhof wrote:
> For testing I want my messages time stamped like:

For progress reporting, I often use the module below (eta.py), which also gives a projected time of completion:
import datetime, time, sys
etastart = 0
def eta(done, total, s, reportinterval=100, datetimeformat="%d %b %H:%M:%S"):
 global etastart
 if done == 0:
 etastart = datetime.datetime.now()
 if not done % reportinterval:
 noww = datetime.datetime.now()
 prtnow = noww.strftime(datetimeformat)
 if done:
 if not isinstance(etastart, datetime.datetime): raise RuntimeError("You should call eta() at least once with done=0")
 elapsed = noww - etastart
 secsperitem = float(elapsed.seconds) / done 
 totalsecs = secsperitem * total
 eta = etastart + datetime.timedelta(0, totalsecs)
 prteta = eta.strftime(datetimeformat)
 msg = "now %s, eta %s (%d/%d) %s" % (prtnow, prteta, done, total, s)
 else:
 msg = "now %s (%d/%d) %s" % (prtnow, done, total, s)
 sys.stderr.write(msg + "\n")
 
if __name__ == "__main__":
 for i in range(10):
 eta(i, 10, "idling for ten seconds", 1, "%H:%M:%S")
 time.sleep(1)
-- 
"You can't actually make computers run faster, you can only make them do less." - RiderOfGiraffes