tools/releasedate.py

   1 #!/usr/bin/python3
   2 #
   3 # print FRR release schedule dates
   4
   5 from datetime import datetime, date, timedelta
   6
   7 w2 = timedelta(days=14)
   8
   9
  10 def year_gen(year):
  11     for month in [3, 7, 11]:
  12         d = date(year, month, 1)
  13         if d.weekday() == 0:
  14             d += timedelta(days=1)
  15         elif d.weekday() >= 2:
  16             d += timedelta(days=8 - d.weekday())
  17         yield d
  18
  19
  20 def calc(refdate):
  21     year = refdate.year
  22
  23     prev = list(year_gen(year - 1))[-1]
  24     releases = list(year_gen(year)) + list(year_gen(year + 1))
  25
  26     while refdate > releases[0]:
  27         prev = releases.pop(0)
  28
  29     return (prev, releases)
  30
  31
  32 if __name__ == "__main__":
  33     now = datetime.now().date()
  34     last, upcoming = calc(now)
  35
  36     print("Last release was (scheduled) on %s" % last.isoformat())
  37
  38     rel = upcoming.pop(0)
  39     freeze, rc1, rc2 = rel - w2 * 3, rel - w2 * 2, rel - w2
  40
  41     if now == rel:
  42         print("It's release day! 🎉")
  43     elif now >= rc2:
  44         print(
  45             "%d days until release! (rc2 since %s)"
  46             % ((rel - now).days, rc2.isoformat())
  47         )
  48     elif now >= rc1:
  49         print("%d days until rc2. (rc1 since %s)" % ((rc2 - now).days, rc1.isoformat()))
  50     elif now >= freeze:
  51         print(
  52             "%d days until rc1, master is frozen since %s"
  53             % ((rc1 - now).days, freeze.isoformat())
  54         )
  55     else:
  56         print(
  57             "%d days of hacking time left! (Freeze on %s)"
  58             % ((freeze - now).days, freeze.isoformat())
  59         )