2015-10-18 | Paul Boddie | file changeset files shortlog | Handle rule-based occurrences as exceptions when removed by attendees for counter-proposals. |
paul@716 | 1 | #!/usr/bin/env python |
paul@716 | 2 | |
paul@716 | 3 | """ |
paul@716 | 4 | Increment the hour in a datetime string, wrapping round within any given range. |
paul@716 | 5 | """ |
paul@716 | 6 | |
paul@716 | 7 | import sys |
paul@716 | 8 | |
paul@716 | 9 | try: |
paul@716 | 10 | dt_str = sys.argv[1] |
paul@716 | 11 | first, last = (sys.argv[2:4] + [None, None])[:2] |
paul@716 | 12 | except (IndexError, ValueError): |
paul@716 | 13 | sys.exit(1) |
paul@716 | 14 | |
paul@716 | 15 | if not dt_str: |
paul@716 | 16 | sys.exit(1) |
paul@716 | 17 | |
paul@716 | 18 | try: |
paul@716 | 19 | date_str = dt_str[:9] |
paul@716 | 20 | hour = int(dt_str[9:11]) |
paul@716 | 21 | min_sec_str = dt_str[11:] |
paul@716 | 22 | except ValueError: |
paul@716 | 23 | sys.exit(1) |
paul@716 | 24 | |
paul@716 | 25 | if not first: |
paul@716 | 26 | first = 0 |
paul@716 | 27 | else: |
paul@716 | 28 | first = int(first) |
paul@716 | 29 | |
paul@716 | 30 | if not last: |
paul@716 | 31 | last = 23 |
paul@716 | 32 | else: |
paul@716 | 33 | last = int(last) |
paul@716 | 34 | |
paul@716 | 35 | hour += 1 |
paul@716 | 36 | if hour > last: |
paul@716 | 37 | hour = first |
paul@716 | 38 | |
paul@716 | 39 | print '%s%02d%s' % (date_str, hour, min_sec_str) |
paul@716 | 40 | |
paul@716 | 41 | # vim: tabstop=4 expandtab shiftwidth=4 |