def createDateIntervalDictionaries():
"""
:return: dict
"""
date_to_track_from = '2015-12-29'
today_date = '2016-01-19'
symbol_collection_span_code = 'crash_plus_12_periods_leading_up'
days_between_dates = DateDelta.getDaysBetweenDateStrings(date_to_track_from, today_date)
interval_count = 12
dateIntervalDictionary = DateIntervalFactory.getDateIntervalDictionary(date_to_track_from, days_between_dates, interval_count, 'days', dictionary_code = 'leading_up_to_crash')
since_crash_interval_code = 'since_crash'
betweenCrashDatesInterval = DateInterval(date_to_track_from, today_date, since_crash_interval_code)
sinceCrashDictionary = DateIntervalDictionary(since_crash_interval_code)
sinceCrashDictionary.addDateInterval(betweenCrashDatesInterval)
three_month_span_code = 'three_month'
threeMonthDateInterval = DateIntervalFactory.getDateIntervals(date_to_track_from, 12, 1, 'weeks').pop()
threeMonthDictionary = DateIntervalDictionary(three_month_span_code)
threeMonthDictionary.addDateInterval(threeMonthDateInterval)
one_year_span_code = 'one_year'
oneYearDateInterval = DateIntervalFactory.getDateIntervals(date_to_track_from, 52, 1, 'weeks').pop()
oneYearDictionary = DateIntervalDictionary(one_year_span_code)
oneYearDictionary.addDateInterval(oneYearDateInterval)
dateIntervalDictionaries = {symbol_collection_span_code : dateIntervalDictionary,
since_crash_interval_code : sinceCrashDictionary,
three_month_span_code : threeMonthDictionary,
one_year_span_code : oneYearDictionary}
return dateIntervalDictionaries
def __init__(self, start_date, end_date, code = None):
self.start_date = start_date
self.end_date = end_date
self.code = code
self.days_in_interval = DateDelta.getDaysBetweenDateStrings(self.start_date, self.end_date)