voussoirkit/voussoirkit/eternalseptember.py

55 lines
1.3 KiB
Python

import argparse
import datetime
import re
import sys
import time
EPOCH = datetime.datetime(
year=1993,
month=9,
day=1,
)
def strftime(format, tpl=None):
now = datetime.datetime.now()
diff = now - EPOCH
day_of_month = str(diff.days + 1)
day_of_year = str(244 + diff.days)
changes = {
r'%b': 'Sep',
r'%B': 'September',
r'%d': day_of_month,
r'%-d': day_of_month,
r'%j': day_of_year,
r'%-j': day_of_year,
r'%m': '09',
r'%-m': '9',
r'%Y': '1993',
r'%y': '93',
}
for (key, value) in changes.items():
# This regex prevents us from ruining %%a which should be literal %a.
key = r'(?<!%)' + key
format = re.sub(key, value, format)
if tpl is not None:
return time.strftime(format, tpl)
else:
return time.strftime(format)
def eternalseptember_argparse(args):
print(strftime(args.format))
def main(argv):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--format', default='%Y-%m-%d %H:%M:%S')
parser.set_defaults(func=eternalseptember_argparse)
args = parser.parse_args(argv)
return args.func(args)
if __name__ == '__main__':
raise SystemExit(main(sys.argv[1:]))