def tender_enquiryPeriod(self): return Period(dict(startDate=self.tenderPeriod.startDate, endDate=calculate_business_date(self.tenderPeriod.endDate, -ENQUIRY_PERIOD_TIME)))
def complaintPeriod(self): return Period( dict(startDate=self.tenderPeriod.startDate, endDate=calculate_business_date(self.tenderPeriod.endDate, -COMPLAINT_SUBMIT_TIME, self)))
def auction_tenderPeriod(self): if self.tenderPeriod and self.tenderPeriod.endDate: return self.tenderPeriod endDate = calculate_business_date(self.auctionPeriod.startDate, -timedelta(days=1), self) return Period(dict(endDate=endDate))