Python复制和删除文件夹

# https://blog.csdn.net/liyuan_669/article/details/25346645
# http://blog.51cto.com/wangwei007/1106818
# https://www.cnblogs.com/feeland/p/4463682.html
# https://www.cnblogs.com/sld666666/archive/2011/01/05/1926282.html

import os  
import os.path  
import shutil  
def copytree(src, dst, symlinks=False):  
    names = os.listdir(src)  
    if not os.path.isdir(dst):  
        os.makedirs(dst)  

    errors = []  
    for name in names:  
        srcname = os.path.join(src, name)  
        dstname = os.path.join(dst, name)  
        try:  
            if symlinks and os.path.islink(srcname):  
                linkto = os.readlink(srcname)  
                os.symlink(linkto, dstname)  
            elif os.path.isdir(srcname):  
                copytree(srcname, dstname, symlinks)  
            else:  
                if os.path.isdir(dstname):  
                    os.rmdir(dstname)  
                elif os.path.isfile(dstname):  
                    os.remove(dstname)  
                shutil.copy2(srcname, dstname)  
            # XXX What about devices, sockets etc.?  
        except (IOError, os.error) as why:  
            errors.append((srcname, dstname, str(why)))  
        # catch the Error from the recursive copytree so that we can  
        # continue with other files  
        except OSError as err:  
            errors.extend(err.args[0])  
    try:  
        copystat(src, dst)  
    except WindowsError:  
        # can't copy file access times on Windows  
        pass  
    except OSError as why:  
        errors.extend((src, dst, str(why)))  
    if errors:  
        raise Error(errors)  
if __name__ == '__main__':  
    copytree('E:/book', 'E:/newbook')