tend analyse alfa 2

def tendAnalyse(ordersToBuy, ordersToSell):
    global d, lastd, D, LD, fl, i, j, L

    if fl == 1:
        lastd = d
        fl = 2
    elif fl == 2:
        D = lastd - d
        fl = 3
    elif fl == 3:
        D = lastd - d
        if LD < D and j == 0:
            i += 1
            #print "i = " + str(i)
        elif LD > D and i == 0:
            j += 1
            #print "j = " + str(j)

        if D < 0 and j > 1:
            print str(datetime.now()) + ' try to buy, d = ' + str(d) + '; mtb = ' + str(minToBuy) + '; mts = ' + str(maxToSell) + '\n'
            log(workLog, '[{0}] try to buy: d={1}; mtb={2}; mts={3}'.format(datetime.now(), d, minToBuy, maxToSell))
        elif D > 0 and i > 1:
            print str(datetime.now()) + ' try to sell, d = ' + str(d) + '; mtb = ' + str(minToBuy) + '; mts = ' + str(maxToSell) + '\n'
            log(workLog, '[{0}] try to sell: d={1}; mtb={2}; mts={3}'.format(datetime.now(), d, minToBuy, maxToSell))
        if i > 1 and j > 1:
            i = j = 0

        print "d = " + str(d) + "; lastd = " + str(lastd) + "; D = " + str(D) + "; LD = " + str(LD)
        if lastd != d:
            lastd = d
            if LD != D:
                LD = D

    time.sleep(3)