zc.i18n 0.7.0

时间持续时间计算

持续时间格式代码并不理想，但如代码注释所述，icu库似乎不支持国际化日期。因此，此方法试图尽可能接近，以足够灵活地满足大多数本地化的需求。只有时间和本地化者才能判断这种方法是否合理。

格式化器始终提供持续期的第一个两个相关度量，省略其余部分。文件其余部分仅显示一些示例。

>>> from zc.i18n.duration import format
>>> from zope.publisher.browser import TestRequest
>>> request = TestRequest()
>>> from datetime import timedelta
>>> format(request, timedelta(days=5))
u'5 days '
>>> format(request, timedelta(days=1))
u'1 day '
>>> format(request, timedelta(days=1, hours=13, minutes=12))
u'1 day 13 hours '
>>> format(request, timedelta(hours=13, minutes=12))
u'13 hours 12 minutes '
>>> format(request, timedelta(hours=13))
u'13 hours '
>>> format(request, timedelta(hours=1, minutes=1, seconds=1))
u'1 hour 1 minute '
>>> format(request, timedelta(minutes=45, seconds=1))
u'45 minutes 1 second'
>>> format(request, timedelta(seconds=5))
u'5 seconds'
>>> format(request, timedelta(days=-1, hours=-2))
u'-1 day -2 hours '
>>> format(request, timedelta(days=-2, hours=22))
u'-1 day -2 hours '
>>> format(request, timedelta(days=-1))
u'-1 day '
>>> format(request, timedelta(days=-1, hours=-13, minutes=-12))
u'-1 day -13 hours '
>>> format(request, timedelta(hours=-13, minutes=-12))
u'-13 hours -12 minutes '
>>> format(request, timedelta(hours=-13))
u'-13 hours '
>>> format(request, timedelta(hours=-1, minutes=-1, seconds=-1))
u'-1 hour -1 minute '
>>> format(request, timedelta(minutes=-45, seconds=-1))
u'-45 minutes -1 second'
>>> format(request, timedelta(seconds=-5))
u'-5 seconds'
>>> format(request, timedelta())
u'No time'

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