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OpenStack Study: parse_date.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2012 United States Government as represented by the # Administrator of the National Aeronautics and Space Administration. # All Rights Reserved. # # 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. """ Template tags for parsing date strings. """ from datetime import datetime # noqa from django import template from django.utils import timezone register = template.Library()
**** CubicPower OpenStack Study **** class ParseDateNode(template.Node):
**** CubicPower OpenStack Study **** def render(self, datestring): """Parses a date-like input string into a timezone aware Python datetime. """ formats = ["%Y-%m-%dT%H:%M:%S.%f", "%Y-%m-%d %H:%M:%S.%f", "%Y-%m-%dT%H:%M:%S", "%Y-%m-%d %H:%M:%S"] if datestring: for format in formats: try: parsed = datetime.strptime(datestring, format) if not timezone.is_aware(parsed): parsed = timezone.make_aware(parsed, timezone.utc) return parsed except Exception: pass return None @register.filter(name='parse_date') def parse_date(value): return ParseDateNode().render(value)
**** CubicPower OpenStack Study **** def parse_date(value): return ParseDateNode().render(value)
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