# -*- coding:UTF-8 -*-
import os
import os.path
import datetime
import stat
import shutil
import operator


# 文件全路径和对应最后修改时间写入到out.txt文档中；
def add_log(path):
    with open('out.txt', 'w') as f:
        f.close
    for root, dirs, files in os.walk(path):
        for name in files:
            temp_path = os.path.join(root, name)
            file_name = temp_path.replace('F:/build_log/', '')
            file_time = os.stat(temp_path).st_mtime
            with open('out.txt', 'a') as f:
                f.write(','.join(['%s' % file_name, '%s' % file_time]))
                f.close()


def if_exit():
    # 判断文件out.txt是否存在,不存在则创建
    filename = 'out.txt'
    if os.path.exists(filename):
        message = 'Ok, the "%s" file exists '
    else:
        message = "Sorry, I cannot find the '%s' file..and I create it."
        a = open('out.txt', 'w')
        a.close()
    print(message % filename)

    files_name = 'update'
    if os.path.exists(files_name):
        message = 'OK, the "%s" file exists.'
    else:
        message = "Sorry, I cannot find the '%s' file.and I create it. "
        os.mkdir('update')
    print(message % files_name)


# path 待比较的文件夹路径
# 返回生成的txt（包含更新或者添加的文件路径）的路径
def log_compare(path):
    if_exit()
    # 获取out.txt文件内容（文件全路径key和最后修改时间value），生成dict
    txt = open('out.txt', 'r+').readlines
    myDic = {}
    for row in txt:
        (key, value) = row.split(',')
        myDic[key] = value
        print(myDic)
    # 创建以时间命名的文件和文件夹
    setup_filename = str(datetime.datetime.now().strftime('%Y%m%d%H%M%S'))
    setup_file_path = '%s%s.txt' % ('F:/Test_log/', setup_filename)
    setup_file_dir = '%s%s' % ('F:/Test_log/', setup_file_path)

    # 判断key，比较value值是否变化rs/
    # 原始需要有一个out.txt文件，才能比较value确定是否有更新
    # 运行程序时，重新遍历一遍文件全路径和最后修改时间
    for root, dirs, files in os.walk(path):
        for name in files:
            temp_path = os.path.join(root, name)
            file_name = temp_path.replace('F:/build_log/', '')
            time = os.stat(temp_path).st_mtime  # 获取最后的修改时间
            file_time = '%s\n' % time
            # 加%s\n是为了与out.txt里值完全对应
            if file_name in myDic:
                if operator.eq(myDic[file_time], file_time):
                    print(
                        file_name,
                        file_time,
                    )
                with open(setup_file_path, 'a') as f:
                    f.write('%s\n' % file_name)
                    f.close()
            else:
                print('add', file_name)
                with open(setup_file_path, 'a') as f:
                    f.write('%s\n' % file_name)
                    f.close()
    return (setup_filename, setup_file_dir, setup_file_path)


# 将src目录中的内容拷贝到dest目录
# 如果dest或者其子目录不存在，先创建
# txt_path为更新日志路径，有更新的文件才拷贝
def copy_directory(src, dest, txt_path):
    if not os.path.exists(txt_path):
        print("no file update")
        return

    # 读更新日志，获取更新文件的全路径

    txt = open(txt_path, 'r').readlines()
    myDic = {}
    myDic2 = {}
    for row in txt:
        myDic[row] = "1"
        tempArray = os.path.split(row)
        key = tempArray[0]
        myDic2[key] = "1"

    print("myDic2:", myDic2)
    print("dict:", myDic)

    # 遍历原始文件夹，得到所有文件的全路径
    for root, dirs, files in os.walk(src):
        for name in files:
            # print "dirs:",dirs
            fpath = os.path.join(root, name)
            newroot = root
            newroot = newroot.replace(src,
                                      dest)  # 根据文件绝对路径，创建将要拷贝的路径（相对路径），没有则创建
            # print newroot
            rel_dir = root.replace('F:/build_log/', '')
            if not os.path.exists(newroot) and rel_dir in myDic2:
                print("rel_dir:", rel_dir)
                print(newroot)
                os.makedirs(newroot)
                os.chmod(newroot, stat.S_IWRITE)
            temp = fpath
            temp = temp.replace(src, dest)
            rel_path = fpath.replace('F:/build_log/',
                                     '')  # 将绝对路径改为相对路径，便于遍历对比，挑出要拷贝的文件
            rel_path += '\n'

            if rel_path in myDic:
                print("real_path:", rel_path)
                # os.mkdir(rel_path)
                shutil.copy(fpath, temp)
                print("copyfile:", fpath)


def main():
    path_dir = 'F:/build_log/'

    params = log_compare(path_dir)
    add_log(path_dir)
    copy_directory(path_dir, params[1], params[2])


if __name__ == '__main__':
    main()

运行出现错误