# testing (or tasting) the module datetime and its method date # datetime supports calendar arithmetic # strftime() requires the year to be >=1900 # date() can handle years down to 0001 # Python24 tested vegaseat 3/27/05 import datetime import calendar today = datetime.date.today() oneday = datetime.timedelta(days=1) # loop back to most recent Friday (could be today) # takes care of end of month and even leap years friday = today while friday.weekday() != calendar.FRIDAY: friday -= oneday oneweek = datetime.timedelta(days=7) nextweek = today + oneweek nextyear = today.replace(year=today.year+1) print "Today (year-month-day) =", today print "Most recent Friday =", friday print "One week from today =", nextweek print "One year from today =", nextyear print "Current time =", datetime.datetime.now().time() #just the time print "Lunchtime =", datetime.time(12, 00) # 12:00:00 print '-'*50 # a typical birthday year, month, day # or change it to your own birthday... birthday = datetime.date(1955, 4, 1) # three different ways to present a date # 1955-04-01 print "Birthday format1:", birthday # 04/01/55 print "Birthday format2:", birthday.strftime("%m/%d/%y") # 01Apr1955 print "Birthday format3:", birthday.strftime("%d%b%Y") age = today - birthday print "You are", age.days, "days old today!" # extract the year from todays date thisyear = int(today.strftime("%Y")[0:4]) # party message (include date and time) ... rightnow = datetime.datetime.today() bparty = datetime.datetime(thisyear, 4, 1, 14, 30) # check if you can still make it to the party ... if bparty > rightnow: print "Birthday party", bparty else: print "Missed this year's birthday party!" print '-'*50 # calculate days till xmas of this year xmas = datetime.date(thisyear, 12, 25) tillXmas = xmas - today print "There are %d days till xmas!" % tillXmas.days print '-'*50 # add days to a given date delta = datetime.timedelta(days=77) addDays = today + delta print "Today's date is :", today.strftime("%d%b%Y") print "77 days from today it will be :", addDays.strftime("%d%b%Y") print '-'*50 Weekday = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'] print "Today is", Weekday[datetime.date.weekday(today)] print print "If you were born on %s you were born on a %s" % (birthday.strftime("%d%b%Y"), Weekday[datetime.date.weekday(birthday)])
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