# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2011 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2011 Fourth Paradigm Development, 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 datetime


def time():
    '''Overrideable version of datetime.datetime.today'''
    if time.override_time:
        return time.override_time
    return datetime.time()

time.override_time = None


def today():
    '''Overridable version of datetime.datetime.today'''
    if today.override_time:
        return today.override_time
    return datetime.datetime.today()

today.override_time = None


def utcnow():
    '''Overridable version of datetime.datetime.utcnow'''
    if utcnow.override_time:
        return utcnow.override_time
    return datetime.datetime.utcnow()

utcnow.override_time = None