Add option to print a different date

1 files changed, 11 insertions, 3 deletions

diff --git a/debdate b/debdate
index 45a1bdc..616c9cb 100755
--- a/debdate
+++ b/debdate
@@ -2,7 +2,7 @@
 
 import argparse
 import datetime
-from dateutil import relativedelta
+from dateutil import relativedelta, parser
 import unittest
 
 # TODO: these will be read from some other file
@@ -92,6 +92,11 @@ class TestDebDate(unittest.TestCase):
 class Command:
     def setup_parser(self):
         self.parser = argparse.ArgumentParser(description='Debian Regnal Date')
+        self.parser.add_argument(
+            '-d', '--date',
+            help='A gregorian date',
+            default='',
+            )
         self.parser.set_defaults(func=self.print_date)
         self.subparsers = self.parser.add_subparsers()
         self.test_parser = self.subparsers.add_parser(
@@ -105,9 +110,12 @@ class Command:
         unittest.TextTestRunner(verbosity=1).run(suite)
 
     def print_date(self, args):
-        today = datetime.date.today()
+        if args.date:
+            date = parser.parse(args.date).date()
+        else:
+            date = datetime.date.today()
         debdate = DebDate()
-        data = debdate.get_release(today)
+        data = debdate.get_release(date)
         print(MSG.format(**data))
 
     def main(self):