def command_date(args):
'''
Execute the 'date' command, which set the date to the specified filename.
The command need at least one parameter. The remaining parameters are the
date to be set in the file.
>>> command_date(None) # doctest: +ELLIPSIS
Traceback (most recent call last):
...
SystemExit: No file specified:
...
>>> command_date(['/dev/null', '2008-1000-10'])
Traceback (most recent call last):
...
SystemExit: Unable to parse date '2008-1000-10'
(Use YYYY-MM-DD [[HH:MM]:SS] format)
'''
if not args:
raise SystemExit('No file specified:\n'
'%s date filename [date]' % sys.argv[0])
filename = args.pop(0)
if args:
if len(args) == 1 and args[0] == 'today':
date = datetime.date.today()
elif len(args) == 1 and args[0] == 'next_day':
date = datetime.date.today() + datetime.timedelta(days=1)
elif len(args) == 1 and args[0] == 'tomorrow':
date = datetime.datetime.now() + datetime.timedelta(days=1)
elif len(args) == 1 and args[0] == 'now':
date = datetime.datetime.now()
else:
try:
date = Page.parse_date(' '.join(args))
except ValueError, error:
raise SystemExit(error)
