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31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
""" additional formatting of dates """
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from django import template
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from django.template import defaultfilters
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from django.contrib.humanize.templatetags.humanize import naturalday
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from bookwyrm.utils.partial_date import PartialDate
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register = template.Library()
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@register.filter(expects_localtime=True)
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def naturalday_partial(date, arg=None):
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"""chooses appropriate precision if date is a PartialDate object
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If arg is a Django-defined format such as "DATE_FORMAT", it will be adjusted
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so that the precision of the PartialDate object is honored.
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"""
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django_formats = ("DATE_FORMAT", "SHORT_DATE_FORMAT", "YEAR_MONTH_FORMAT")
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if not isinstance(date, PartialDate):
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return defaultfilters.date(date, arg)
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if arg is None:
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arg = "DATE_FORMAT"
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if date.has_day:
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fmt = arg
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elif date.has_month:
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# there is no SHORT_YEAR_MONTH_FORMAT, so we ignore SHORT_DATE_FORMAT :(
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fmt = "YEAR_MONTH_FORMAT" if arg == "DATE_FORMAT" else arg
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else:
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fmt = "Y" if arg in django_formats else arg
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return naturalday(date, fmt)
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