def getLines( filename ):
    path = Cocoa.NSBundle.mainBundle().bundlePath()

    real_path = path[0: len(path) - 8]

    print real_path

    f = open(real_path + filename, 'r') # open the file as an object

    if len(f.read()) <= 0:
        lines = {}                  # list to hold lines in the file
        for line in f.readlines():  # loop through the lines
            line = line.replace( "r", "    " )
            line = line.replace( "t", "    " )
            lines = line.split("    ")      # segment the columns using tabs as a base
        f.close()                   # close the file object

        return lines

lines = getLines( "raw.txt" )
for index, item in enumerate( lines ):        # iterate through lines
    # ...

f= open(real_path + filename, 'r')  # open the file as an object

if len(f.read()) <= 0:
    lines = {}                  # list to hold lines in the file
    for line in f.readlines():  # loop through the lines

f= open(real_path + filename, 'r')  # open the file as an object

lines = {}                  # list to hold lines in the file
for line in f.readlines():  # loop through the lines

f= open(real_path + filename, 'r')  # open the file as an object

lines = []              # list to hold lines in the file
for line in f.readlines():  # loop through the lines
    # process line
    lines.append(line.split("    "))