#!/usr/bin/python
import math

movieFileName = 'movieCorrProbeResults.txt'
userFileName = 'userCorrProbeResults2.txt'
newPredictionFileName = '/home/gregstoll/stuff/netflixprize/download/dummyoutput.txt'

def average(mFN, uFN, oFN):
    mF = open(mFN, 'r')
    uF = open(uFN, 'r')
    oF = open(oFN, 'w')
    mStr = mF.readline()
    uStr = uF.readline()
    while (uStr != ''):
        mStr = mStr.strip()
        uStr = uStr.strip()
        if (mStr[len(mStr)-1:] == ':'):
            if (uStr[len(uStr)-1:] != ':'):
                print "Line mismatch! mStr=%s, uStr=%s" % (mStr, uStr)
            oF.write(mStr + "\n")
        else:
            mNum = float(mStr)
            uNum = float(uStr)
            oNum = .75 * mNum + .25 * uNum
            oF.write(str(oNum) + "\n")
        mStr = mF.readline()
        uStr = uF.readline()
    if (mStr != ''):
        print "Warning: fewer lines in user file than movie file!!"
    #print "found %d ratings (should be 1408395)" % count
    mF.close()
    uF.close()
    oF.close()

if (__name__ == '__main__'):
    average(movieFileName, userFileName, newPredictionFileName)