swoopo.py

from decimal import Decimal

def profit(price, current, bid_increase=Decimal('0.15'), bid_price=Decimal('0.75')):
  price, current = Decimal(price), Decimal(current)
  bids = current / bid_increase
  total = (bids * bid_price) 
  if current < price: current = 0
  profit = total - price + current
  # print "# of bids:", bids
  # print "profit:", profit
  return profit

def penny(price, current): return profit(price, current, Decimal('0.01'))

def profit_uk(price, current): return profit(price, current, Decimal('0.07'), Decimal('0.50'))
def penny_uk(price, current): return profit(price, current, Decimal('0.01'), Decimal('0.50'))

def find_profit(penny_auction=False):
    if penny_auction:
        bid_increase = Decimal('0.01')
    else:
        bid_increase = Decimal('0.15')
    current = raw_input('Current Price: ')
    price = raw_input('Product Price: ')
    return profit(price, current, bid_increase)

def find_profit_uk(penny_auction=False):
    if penny_auction:
        bid_increase = Decimal('0.01')
    else:
        bid_increase = Decimal('0.07')
    current = raw_input('Current Price: ')
    price = raw_input('Product Price: ')
    return profit(price, current, bid_increase, Decimal('0.50'))