voussoirkit/voussoirkit/hms.py
2020-07-20 18:04:12 -07:00

52 lines
1.3 KiB
Python

import math
import sys
def hms_to_seconds(hms):
'''
Convert hh:mm:ss string to an integer seconds.
'''
parts = hms.split(':')
seconds = 0
if len(parts) > 3:
raise ValueError(f'{hms} doesn\'t match the HH:MM:SS format.')
if len(parts) == 3:
seconds += int(parts[0]) * 3600
parts.pop(0)
if len(parts) == 2:
seconds += int(parts[0]) * 60
parts.pop(0)
if len(parts) == 1:
seconds += float(parts[0])
return seconds
def seconds_to_hms(seconds):
'''
Convert integer number of seconds to an hh:mm:ss string.
Only the necessary fields are used.
'''
seconds = math.ceil(seconds)
(minutes, seconds) = divmod(seconds, 60)
(hours, minutes) = divmod(minutes, 60)
parts = []
if hours:
parts.append(hours)
if hours or minutes:
parts.append(minutes)
parts.append(seconds)
hms = ':'.join(f'{part:02d}' for part in parts)
return hms
def main(args):
from voussoirkit import pipeable
for line in pipeable.go(args, strip=True, skip_blank=True):
if ':' in line:
line = hms_to_seconds(line)
else:
line = float(line)
if line > 60:
line = seconds_to_hms(line)
pipeable.output(f'{line}')
if __name__ == '__main__':
raise SystemExit(main(sys.argv[1:]))