#!/usr/bin/env python

# coding=utf-8

import time

import sys

def view_bar(num, total):

    rate = num / total

    rate_num = int(rate * 100)

    r = '\r%d%%' % (rate_num, )

    sys.stdout.write(r)

    sys.stdout.flush()

def view_bar2(num, total):

    rate = num / total

    rate_num = int(rate * 100)

    r = '\r%s>%d%%' % ("="*num, rate_num, )

    sys.stdout.write(r)

    sys.stdout.flush()

for i in range(1, 101):

    time.sleep(0.1)

    view_bar2(i, 100)

遍历搜索目录

#!/usr/bin/env python

# coding=utf-8

import os

import fnmatch

def all_files(root, patterns, single_level=False, yield_folders=False):

    """

    遍历文件夹目录和文件

    :param root: 要遍历的文件夹

    :param patterns: 搜索模式以";"号隔开

    :param single_level: True,遍历一级目录, False, 全部遍历

    :param yield_folders: True, 匹配目录, False, 不匹配目录

    :yield os.path.join(path, name) 返回路径和文件名

    """

    patterns = patterns.split(';')

    for path, subdirs, files in os.walk(root):

        # 是否匹配目录

        if yield_folders:

            files.extend(subdirs)

        files.sort()

        for name in files:

            for pattern in patterns:

                if fnmatch.fnmatch(name, pattern):

                    yield os.path.join(path, name)

                    break

        # 只遍历一级目录

        if single_level:

            break

# for path in all_files('/root/module2/day6', '*.py;*.txt', yield_folders=False, single_level=False):

#    print(path)

ret = all_files('/root/module2/day6', '*.py;*.txt', yield_folders=False, single_level=False)

for line in ret:

    print(line)