64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# Copyright 2012 Nebula, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import datetime
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import iso8601
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from django.template.defaultfilters import register # noqa
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from django.template.defaultfilters import timesince # noqa
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from django.utils.safestring import mark_safe
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from django.utils import timezone
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from django.utils.translation import ugettext_lazy as _
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@register.filter
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def replace_underscores(string):
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return string.replace("_", " ")
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@register.filter
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def parse_isotime(timestr, default=None):
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"""This duplicates oslo timeutils parse_isotime but with a
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@register.filter annotation and a silent fallback on error.
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"""
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try:
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return iso8601.parse_date(timestr)
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except (iso8601.ParseError, TypeError):
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return default or ''
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@register.filter
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def timesince_or_never(dt, default=None):
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"""Call the Django ``timesince`` filter, but return the string
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*default* if *dt* is not a valid ``date`` or ``datetime`` object.
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When *default* is None, "Never" is returned.
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"""
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if default is None:
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default = _("Never")
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if isinstance(dt, datetime.date):
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return timesince(dt)
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else:
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return default
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@register.filter
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def timesince_sortable(dt):
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delta = timezone.now() - dt
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# timedelta.total_seconds() not supported on python < 2.7
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seconds = delta.seconds + (delta.days * 24 * 3600)
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return mark_safe("<span data-seconds=\"%d\">%s</span>" %
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(seconds, timesince(dt)))
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