Alcatel GENOS IOO client

# Copyright 2012 Leonidas Poulopoulos

#

# 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

import time

def asdayPeriod(timestamp):

    '''

    Transforms a python datetime timestamp to Alcatel friendly timestamp

    @type timestamp: Python datetime

    @param timestamp: The datetime timestamp

    @rtype: String

    @return: An Alcatel-friendly string: YYYYMMDDQH where QH in [00,96] representing 15min periods in a day.

    '''

    daystring = timestamp.strftime('%Y%m%d')

    dayquarter = "%s" %((timestamp.hour*60 + timestamp.minute)//15)

    return "%s%s" %(daystring,dayquarter.zfill(2))

def fromdayPeriod(timestring):

    '''

    Transforms an Alcatel-friendly timestamp to a python datetime timestamp

    @type timestring: String

    @param timestring: An Alcatel-friendly string: YYYYMMDDQH where QH in [00,96] representing 15min periods in a day.

    @rtype: Datetime

    @return: A python datetime timestamp

    '''

    textdate = timestring[0:8]

    dayquarter = timestring[8:10]

    # we "steal" a quarter of an hour here...

    daymins = (int(dayquarter)-1)*15

    hours = daymins//60

    mins = daymins - hours*60

    datetimestamp = datetime.datetime(*time.strptime(textdate, '%Y%m%d')[:3]+(hours, mins))

    # ...and we return it here:

    datetimestamp = datetimestamp + datetime.timedelta(minutes=15)

    return datetimestamp