Source code for horizon.utils.filters

# Copyright 2012 Nebula, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import iso8601

from django.template.defaultfilters import register  # noqa
from django.template.defaultfilters import timesince  # noqa
from django.utils.safestring import mark_safe
from django.utils import timezone


@register.filter
def replace_underscores(string):
    return string.replace("_", " ")
[docs] @register.filter def parse_isotime(timestr, default=None):
"""This duplicates oslo timeutils parse_isotime but with a
[docs] @register.filter annotation and a silent fallback on error. """ try: return iso8601.parse_date(timestr) except (iso8601.ParseError, TypeError): return default or '' @register.filter def timesince_sortable(dt):
delta = timezone.now() - dt
[docs] # timedelta.total_seconds() not supported on python < 2.7 seconds = delta.seconds + (delta.days * 24 * 3600) return mark_safe("<span data-seconds=\"%d\">%s</span>" % (seconds, timesince(dt)))