文件同步程序，Python和C写的DLL

#coding:utf-8

from ctypes import *
from FileCopy import *

def GetFilePathList(FilePath):
    dll = CDLL(r"F:VSProjectFileFunction20190101DllReleaseFileFunction20190101Dll.dll")
    Length = c_int(0)
    return dll.TraversFileInterface(FilePath)

des = 'E:Pictures'
src = 'J:Video&Pictures'


#源路径文件列表获取
psrcchar = GetFilePathList(src)
szSrcBuffer = c_char_p(psrcchar)
SrcFilePath = szSrcBuffer.value
SrcFilePathList = SrcFilePath.split('
')

#目标文件列表获取
pdeschar = GetFilePathList(des)
szDesBuffer = c_char_p(pdeschar)
DesFilePath = szDesBuffer.value
DesFilePathList = DesFilePath.split('
')

#生成目标路径比对集合
DesFileSet = set()
for FilePath in DesFilePathList:
    #print FilePath.split('\')[-1]
    DesFileSet.add(FilePath.split('\')[-1])

NewSrcFileList = []
#根据目标路径内容剔除已存在文件
for FilePath in SrcFilePathList:
    #print FilePath.split('\')[-1]
    if FilePath.split('\')[-1] not in DesFileSet:
        NewSrcFileList.append(FilePath)

#根据目的地址路径对源文件列表进行改造替换，生成拷贝目的地址
DesCopyList = []
for FilePath in NewSrcFileList:
    CopyPath = FilePath.replace(src, des)
    CopyPath = CopyPath[0:CopyPath.rfind('\')+1]
    CopyFromSrcToDes (FilePath, CopyPath)
    #DesCopyList.append(CopyPath)

print len(NewSrcFileList)
print len(DesCopyList)
#dll.PrintHex(filedata, len(filedata))

FileCopy文件

import os

def CopyFileByList():
    return

def CopyFromSrcToDes(src, des):
    cmdname = 'xcopy ' + '"' + src + '"' + ' "' + des + '"'
    RunCmd(cmdname)
    return

def RunCmd(cmd):
    print cmd
    ret = os.system(cmd)
    return