[Tutor] How to unpack python-dateutil-2.0.tar.gz
Richard D. Moores
rdmoores at gmail.com
Fri Oct 19 08:03:14 CEST 2012
On Thu, Oct 18, 2012 at 9:41 PM, eryksun <eryksun at gmail.com> wrote:
> On Thu, Oct 18, 2012 at 11:55 PM, Steven D'Aprano <steve at pearwood.info> wrote:
>> Have you tried running `date` at the Windows command.com (or cmd.exe,
>> or something, I never remember which)? What does it print?
>> My guess is that it probably prints something like:
>> "Command not found"
>> which clearly cannot be parsed as a date.
> Windows has separate date and time commands ('date /t' and 'time /t'),
> but it's simpler to use 'echo %time% %date%' in the shell.
> Also, the demo script isn't for Python 3.x. It uses "print" as a
> statement and the "commands" module, which is deprecated in 2.x and
> removed from 3.x.
> Try this instead:
> import sys
> import os
> import subprocess
> from dateutil.relativedelta import *
> from dateutil.easter import *
> from dateutil.rrule import *
> from dateutil.parser import *
> from datetime import *
> if sys.platform == 'win32':
> cmd = 'echo %time% %date%'
> shell = True
> cmd = 'date'
> shell = False
> datestr = subprocess.check_output(cmd, shell=shell).decode()
> now = parse(datestr)
> today = now.date()
> year = rrule(YEARLY,bymonth=8,bymonthday=13,byweekday=FR).year
> rdelta = relativedelta(easter(year), today)
> print("Today is:", today)
> print("Year with next Aug 13th on a Friday is:", year)
> print("How far is the Easter of that year:", rdelta)
> print("And the Easter of that year is:", today+rdelta)
More information about the Tutor