#============================================================================ 

#Name        : ido.py 

#Part of     : Helium 

#Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

#All rights reserved.

#This component and the accompanying materials are made available

#under the terms of the License "Eclipse Public License v1.0"

#which accompanies this distribution, and is available

#at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

#Initial Contributors:

#Nokia Corporation - initial contribution.

#

#Contributors:

#

#Description:

#===============================================================================

"""

IDO specific features

    * find layer_real_source_path from sysdef file.

    * time manipulation for robot releasing.

"""

import re

import datetime

MATCH_ENTITY = re.compile(r".*ENTITY\s+layer_real_source_path\s+\"(.+)\"\s*>?.*")

def get_sysdef_location(sysdef):

    """ Search for layer_real_source_path entity inside the sysdef file. """

        result = MATCH_ENTITY.match(line)

        if result != None:

            return result.groups()[0]

    print 'layer_real_source_path entity not found in ' + sysdef

    return None

def get_first_day_of_cycle(now = datetime.datetime.now()):

    """ This function returns a datetime object representing the monday from closest

        odd week.

    """

    _, isoweek, isoday = now.isocalendar()

    week = isoweek - 1

    day = isoday - 1

    monday = now - datetime.timedelta(days=day + week.__mod__(2) * 7)

    monday = monday.replace(hour = 0, minute = 0, second = 0, microsecond = 0)

    return monday

def get_absolute_date(day, time, now = datetime.datetime.now()):

    """ Get the absolute date from the day and time. """

    time = datetime.datetime.strptime(time, "%H:%M")

    delta = datetime.timedelta(days = day-1, hours = time.hour, minutes= time.minute)

    return get_first_day_of_cycle(now) + delta

def is_in_interval(day1, time1, day2, time2, now = datetime.datetime.now()):

    """ Return True is get_absolute_date(day1, time1) < now < get_absolute_date(day2, time2). """

    delta1 = get_absolute_date(day1, time1, now)

    delta2 = get_absolute_date(day2, time2, now)

    if now <= delta1:

        return False

    if delta2 <= now:

        return False

    return True