66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
from datetime import datetime, timedelta
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from django.utils.timezone import get_default_timezone, get_current_timezone, localtime
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from django.utils.timezone import now as django_now
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from django import template
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register = template.Library()
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@register.filter(is_safe=True)
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def humane_time(arg):
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'''Returns a time string that is humane but not relative (unlike Django's humanetime)
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For times less than 6 hours ago: display date and time to the minute.
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For times less than 12 hours ago: display date and time to the hour.
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For times more than 12 hours ago display date and "time of day".
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For times more than 2 days ago display date.
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For times more than 6 months ago, display month and year.
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For times more than 10 years ago, display year.
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Prefer words to numbers, unless it is too long.
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The goal is a date/time that is always accurate no matter how long it's
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been sitting there waiting for you to look at it, but is only precise
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to a degree you are liable to care about.
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It is not safe to use on future times.
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'''
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now = django_now()
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arg = localtime(arg)
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diff = now - arg
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if arg.tzinfo == now.tzinfo:
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utc = " (UTC)"
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else:
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utc = ""
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if diff < timedelta(hours=6):
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return arg.strftime("%a, %b %d, %Y at %I:%M %p") + utc
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elif diff < timedelta(hours=12):
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return arg.strftime("%a, %b %d, %Y around %I %p") + utc
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elif diff < timedelta(hours=36):
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return arg.strftime("%a, %b %d, %Y in the ") + time_of_day(arg.hour) + utc
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elif diff < timedelta(days=6*28):
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return arg.strftime("%b %d, %Y")
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elif diff < timedelta(days=10*365):
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return arg.strftime("%b, %Y")
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else:
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return arg.strftime("%Y")
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def time_of_day(hour):
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"""Return a description of what time of day an hour is.
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This is very english-centric and probably not translatable.
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"""
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if hour < 3:
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return "wee hours"
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elif hour < 6:
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return "early morning"
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elif hour < 12:
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return "morning"
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elif hour < 18:
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return "afternoon"
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elif hour < 22:
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return "evening"
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else:
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return "night"
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