On Nov 24, 2:45 pm, Peter Otten <__pete...@web.de> wrote: > huisky wrote: > > I see the problem of year. But the question is the source file does > > NOT provide the year information. > > for instance if i have one record as ['Dec','6','21:01:17'], and the > > other as ['Jan','6','21:01:17'] > > these two records may be in different year. Will it be a problem to > > use the 'datetime' do the time difference calculation? > > You have a problem that is independent of Python. You have to guess the > correct year to get the correct time interval. One approach would be to use > the year from the file's timestamp, then calculate the differences, and > whenever you get a negative interval add one year to the end date. > > This will still result in rare ValueErrors (Feb 29 in non-leapyears) and > some silent miscalculations; I fear you'll have to live with that. > > Peter
I see, what i'm doing is only for personal usage. should be no problem at all. thanks a lot, Peter! -- http://mail.python.org/mailman/listinfo/python-list
