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python2.7删除文件夹和删除文件代码实例

2019年04月02日  | 移动技术网IT编程  | 我要评论

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复制代码 代码如下:

#!c:\python27\python.exe
# -*- coding: utf-8 -*-

import os
import re

from os import path
from shutil import rmtree

del_dirs = none
del_files = r'(.+?\.pyc$|.+?\.pyo$|.+?\.log$)'

def del_dir(p):
    """delete a directory."""
    if path.isdir(p):
        rmtree(p)
        print('d : %s' % p)

def del_file(p):
    """delete a file."""
    if path.isfile(p):
        os.remove(p)
        print('f : %s' % p)

def gen_deletions(directory, del_dirs=del_dirs, del_files=del_files):
    """generate deletions."""
    patt_dirs = none if del_dirs == none else re.compile(del_dirs)
    patt_files = none if del_files == none else re.compile(del_files)

    for root, dirs, files in os.walk(directory):
        if patt_dirs:
            for d in dirs:
                if patt_dirs.match(d):
                    yield path.join(root, d)
        if patt_files:
            for f in files:
                 if patt_files.match(f):
                    yield path.join(root, f)

def confirm_deletions(directory):
    import tkinter
    import tkmessagebox

    root = tkinter.tk()
    root.withdraw()
    res = tkmessagebox.askokcancel("confirm deletions?",
        "do you really wish to delete?\n\n"
        "working directory:\n%s\n\n"
        "delete conditions:\n(d)%s\n(f)%s"
        % (directory, del_dirs, del_files))
    if res:
        print('processing...')
        m, n = 0, 0
        for p in gen_deletions(directory):
            if path.isdir(p):
                del_dir(p)
                m += 1
            elif path.isfile(p):
                del_file(p)
                n += 1
        print('clean %d dirs and %d files.' % (m, n))
        root.destroy()
    else:
        print('canceled.')
        root.destroy()

    root.mainloop()

if __name__ == '__main__':
    import sys
    argv = sys.argv
    directory = argv[1] if len(argv) >= 2 else os.getcwd()
    confirm_deletions(directory)
    # import subprocess
    # subprocess.call("pause", shell=true)

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