mirror of https://github.com/snachodog/mybuddy.git
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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from django.utils import timezone
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from django.utils.translation import ngettext
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def duration_string(duration, precision='s'):
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"""Format hours, minutes and seconds as a human-friendly string (e.g. "2
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hours, 25 minutes, 31 seconds") with precision to h = hours, m = minutes or
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s = seconds.
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"""
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h, m, s = duration_parts(duration)
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duration = ''
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if h > 0:
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duration = ngettext('%(hours)s hour', '%(hours)s hours', h) % {
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'hours': h
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}
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if m > 0 and precision != 'h':
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if duration != '':
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duration += ', '
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duration += ngettext(
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'%(minutes)s minute',
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'%(minutes)s minutes',
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m
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) % {'minutes': m}
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if s > 0 and precision != 'h' and precision != 'm':
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if duration != '':
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duration += ', '
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duration += ngettext(
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'%(seconds)s second',
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'%(seconds)s seconds',
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s
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) % {'seconds': s}
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return duration
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def duration_parts(duration):
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"""Get hours, minutes and seconds from a timedelta.
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"""
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if not isinstance(duration, timezone.timedelta):
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raise TypeError('Duration provided must be a timedetla')
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h, remainder = divmod(duration.seconds, 3600)
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h += duration.days * 24
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m, s = divmod(remainder, 60)
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return h, m, s
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