def is_business_day(cls, date, calendar=None): if not calendar: calendar = cls.TARGET() elif not hasattr(calendar, "advance"): return None qldate = qldate_from_pydate(pydate(date)) try: return calendar.is_business_day(qldate) except: try: return calendar().is_business_day(qldate) except: return None
def advance(cls, date, n, timeunit=None, calendar=None, convention=None): """ Advance pydate according the specified calendar and convention :pydate: e.g. 19600809, date(1964, 9, 29), '5-23-1993' :n: integer :timeunit: e.g., enums.TimeUnits.Days usage ----- Note 9/6/1980 is a weekend >>> Calendars.advance(19800906, 1) datetime.date(1980, 9, 8) """ if not calendar: calendar = cls.TARGET() elif not hasattr(calendar, "advance"): return None if not convention: convention = BusinessDayConventions.Following if not timeunit: timeunit = TimeUnits.Days qldate = qldate_from_pydate(pydate(date)) try: return pydate_from_qldate(calendar.advance(qldate, n, timeunit)) except: try: return pydate_from_qldate( calendar().advance(qldate, n, timeunit) ) except: print("failure {}".format(qldate)) return None
def adjust(cls, date, calendar=None, convention=None): if not calendar: calendar = cls.TARGET() elif not hasattr(calendar, "adjust"): return None if not convention: convention = BusinessDayConventions.Following qldate = qldate_from_pydate(pydate(date)) try: return pydate_from_qldate(calendar.adjust(qldate, convention)) except: try: return pydate_from_qldate(calendar().adjust(qldate, convention)) except: return None