风火编程--python打印进度条

版权声明：风火编程, 欢迎指正. https://blog.csdn.net/weixin_42620314/article/details/83793844

python下载文件并打印进度条

import os
import datetime
from urllib import request
url_list = ["url1","url2","url3","url4"]
base_path = "/download/"

def download(url):

    print("start:", url, datetime.now())
    file_name = url + '.txt'
    path = os.path.join(base_path, file_name)
    try:
        request.urlretrieve(url, path, callback)
    except:
        download(url)

def callback(a, b, c):
    per = 100.0 * a * b / c
    if per > 100:
        per = 100
    s = "|"*per
    print('\r%.2f%%, %d, %s' % (per, c, s), end=" ")


if __name__ == '__main__':
    for url in url_list:
        download(url)