使用python对py文件程序代码复用度检查

#!/user/bin/env python
# @Time     :2018/6/5 14:58
# @Author   :PGIDYSQ
#@File      :PyCheck.py
from os.path import isfile as isfile
from time import time as time

Result ={}
AllLines =[]
FileName = r'C:UsersPGIDYSQDesktopfibo.py'#访问.py文件路径
'''py文件程序代码复用度检查'''
def PreOperate():
    global AllLines
    with open(FileName,'r',encoding='UTF-8') as fp:
        for line in fp:
            line =' '.join(line.split())
            AllLines.append(line)
def IfHasDuplicated(Index1):
    for item in Result.values():
        for it in item:
            if Index1 == it[0]:
                return it[1]
    return False
def IsInSpan(Index2):
    for item in Result.values():
        for i in item:
            if i[0] <=Index2<i[0]+i[1]:
                return True
    return False
def MainCheck():
    global Result
    TotalLen = len(AllLines)
    Index1 =0
    while Index1 < TotalLen -1:
        span = IfHasDuplicated(Index1)
        if span:
            Index1 += span
            continue
        Index2 = Index1 + 1
        while Index2 < TotalLen:
            if IsInSpan(Index2):
                Index2 += 1
                continue
            src = ''
            des = ''
            for i in range(10):
                if Index2 + 1>=TotalLen:
                    break
                src += AllLines[Index1 + 1]
                des += AllLines[Index2 + 1]
                if src == des:
                    t = Result.get(Index1,[])
                    for tt in t:
                        if tt[0] == Index2:
                            tt[1] = i+1
                            break
                        else:
                            t.append([Index2,i+1])
                        Result[Index1] = t
                else:
                    break
            t = Result.get(Index1, [])
            for tt in t:
                if tt[0] == Index2:
                    Index2 += tt[1]
                    break
            else:
                Index2 += 1
        Result[Index1] = Result.get(Index1,[])
        for n in Result[Index1][::-1]:
            if n[1] < 3:
                Result[Index1].remove(n)
        if not Result[Index1]:
            del Result[Index1]
        a = [ttt[1] for ttt in Result.get(Index1,[[Index1,1]])]
        if a:
            Index1 += max(a)
        else:
            Index1 += 1
def Output():
    print('-'*20)
    print('Result:')
    for key,value in Result.items():
        print('The original line is :
{0}'.format(AllLines[key]))
        print('Its line number is {0}'.format(key+1))
        print('The duplicated line numbers are:')
        for i in value:
            print('    Start:',i[0],'     Span:',i[1])
        print('-'*20)
    print('-'*20)

if isfile(FileName):
    start =time()
    PreOperate()
    MainCheck()
    Output()
    print('Time used:',time() - start)