|
From: <rom...@us...> - 2006-06-03 19:25:38
|
Revision: 200 Author: roman_yakovenko Date: 2006-06-03 12:25:19 -0700 (Sat, 03 Jun 2006) ViewCVS: http://svn.sourceforge.net/pygccxml/?rev=200&view=rev Log Message: ----------- adding date_time example Added Paths: ----------- pyplusplus_dev/examples/pyboost_dev/date_time_example.py Added: pyplusplus_dev/examples/pyboost_dev/date_time_example.py =================================================================== --- pyplusplus_dev/examples/pyboost_dev/date_time_example.py (rev 0) +++ pyplusplus_dev/examples/pyboost_dev/date_time_example.py 2006-06-03 19:25:19 UTC (rev 200) @@ -0,0 +1,71 @@ +import os +from pyboost import date_time +from pyboost.date_time import gregorian +from pyboost.date_time import posix_time +from pyboost.date_time import local_time +from pyboost.date_time import to_simple_string + +#Date programming +weekstart = gregorian.date(2002, date_time.Feb,1) +print 'weekstart: ', to_simple_string( weekstart ) + +weekend = weekstart + gregorian.weeks(1) +print 'weekend: ', to_simple_string( weekend ) + +today = gregorian.day_clock.local_day() +d2 = weekstart + gregorian.days(5) +if d2 >= today: #comparison operator + pass + +thisWeek = gregorian.date_period(today,d2) +if thisWeek.contains(today): + pass + +#date generator functions +d5 = gregorian.next_weekday(today, date_time.Sunday); #calculate Sunday following d4 +print 'd5: ', to_simple_string( d5 ) + +#US labor day is first Monday in Sept +first = gregorian.nth_day_of_the_week_in_month.first +labor_day = gregorian.nth_day_of_the_week_in_month(first, date_time.Monday, date_time.Sep) +#calculate a specific date for 2004 from functor +print 'labor day 2004: ', to_simple_string( labor_day.get_date(2004) ) + +#Time programming: +d = gregorian.date(2002,date_time.Feb,1)#an arbitrary date +t1 = posix_time.ptime(d, posix_time.hours(5) + posix_time.millisec(100)); #date + time of day offset +print 't1: ', to_simple_string( t1 ) + +t2 = t1 - posix_time.minutes(4) + posix_time.seconds(2) +print 't2: ', to_simple_string( t2 ) + +now = posix_time.second_clock.local_time(); #use the clock +print 'now: ', to_simple_string( now ) +today = now.date() #Get the date part out of the time +print 'today: ', to_simple_string( today ) +tomorrow = today + gregorian.date_duration(1) +print 'tomorrow: ', to_simple_string( tomorrow ) + +#Local time programming: +#setup some timezones for creating and adjusting times +#first time zone uses the time zone file for regional timezone definitions +tz_db = local_time.time_zone_database() +tz_db.load_from_file( os.path.join( date_time.__path__[0], "date_time_zonespec.csv") ) +nyc_tz = tz_db.time_zone_from_region("America/New_York") +#This timezone uses a posix time zone string definition to create a time zone +phx_tz = local_time.posix_time_zone("MST-07:00:00") + +#local departure time in phoenix is 11 pm on April 2 2005 +#Note that New York changes to daylight savings on Apr 3 at 2 am) +phx_departure = local_time.local_date_time( + gregorian.date(2005, date_time.Apr, 2) + , posix_time.hours(23) + , phx_tz + , local_time.local_date_time.NOT_DATE_TIME_ON_ERROR) + +flight_length = posix_time.hours(4) + posix_time.minutes(30) +phx_arrival = phx_departure + flight_length +#//convert the phx time to a nyz time +nyc_arrival = phx_arrival.local_time_in(nyc_tz, posix_time.time_duration() ) +print "New York arrival: ", nyc_arrival.to_string() #//2005-Apr-03 06:30:00 EDT + This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site. |
