Web M&M
https://mam.matfyz.cz
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20 lines
766 B
20 lines
766 B
from django import template
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from django.utils.safestring import mark_safe
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from datetime import datetime, timedelta
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from pytz import timezone
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from mamweb.settings import TIME_ZONE
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import logging
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register = template.Library()
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logger = logging.getLogger(__name__)
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@register.filter(name='kratke_datum', expects_localtime=True)
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def kratke_datum(dt):
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# None dává None, ne-datum dává False, aby se daly použít filtry typu "default".
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if dt is None:
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return None
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if not isinstance(dt, datetime):
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logger.warning(f"Špatné volání filtru {__name__}: {dt}")
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return False
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out = f'<time datetime="{dt.isoformat()}" title="{dt.strftime("%d. %m. %Y %H:%M")}">{dt.day}.{dt.month}.<span style="text-decoration:overline">{dt.year%100}</time>'
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return mark_safe(out)
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