【python 】文件下载进度条（装逼利器）

import requests

url = "http://mp.111ttt.cn/mp3free/81135985.mp3"

rsp = requests.get(url, stream=True)

with open('1.mp3', 'wb') as f:

    for i in rsp.iter_content(chunk_size=1024):  # 边下载边存硬盘, chunk_size 可以自由调整为可以更好地适合您的用例的数字

        f.write(i)

# 下载MP3文件到本地

import os

import requests

def DownloadFile(mp3_url, save_url,file_name):

    try:

        if mp3_url is None or save_url is None or file_name is None:

            print('参数错误')

            return None

        # 文件夹不存在，则创建文件夹

        folder = os.path.exists(save_url)

        if not folder:

            os.makedirs(save_url)

        # 读取MP3资源

        res = requests.get(mp3_url,stream=True)

        # 获取文件地址

        file_path = os.path.join(save_url, file_name)

        print('开始写入文件：', file_path)

        # 打开本地文件夹路径file_path，以二进制流方式写入，保存到本地

        with open(file_path, 'wb') as fd:

            for chunk in res.iter_content(chunk_size=1024):

                fd.write(chunk)

        print(file_name+' 成功下载！')

    except:

        print("程序错误")

if __name__ == "__main__":

    # MP3源地址url

    url = 'http://mp.111ttt.cn/mp3free/81135985.mp3'

    # MP3保存文件夹

    save_url='./music/'

    # MP3文件名

    file_name = 'mymusic'+'.mp3'

    DownloadFile(url,save_url, file_name)

def DownloadFile2(mp3_url, save_url,file_name):

    try:

        if mp3_url is None or save_url is None or file_name is None:

            print('参数错误')

            return None

        # 文件夹不存在，则创建文件夹

        folder = os.path.exists(save_url)

        if not folder:

            os.makedirs(save_url)

        # 读取MP3资源

        res = requests.get(mp3_url,stream=True)

        total_size = int(int(res.headers["Content-Length"])/1024+0.5)

        # 获取文件地址

        file_path = os.path.join(save_url, file_name)

        # 打开本地文件夹路径file_path，以二进制流方式写入，保存到本地

        from tqdm import tqdm

        with open(file_path, 'wb') as fd:

            print('开始下载文件：{},当前文件大小：{}KB'.format(file_name,total_size))

            for chunk in tqdm(iterable=res.iter_content(1024),total=total_size,unit='k',desc=None):

                fd.write(chunk)

            print(file_name+' 下载完成！')

    except:

        print("程序错误") 

# MP3源地址url

mp3_url = 'http://mp.111ttt.cn/mp3free/81135985.mp3'

# MP3保存文件夹

save_url='./music/'

# MP3文件名

file_name = '少年-梦然.mp3'

DownloadFile2(mp3_url,save_url, file_name)

for file_name,mp3_url in zip(musicnamelst[:2],musicurllst[:2]):

    DownloadFile2(mp3_url,save_url, file_name+'.mp3')

for file_name,mp3_url in zip(musicnamelst,musicurllst):

    DownloadFile2(mp3_url,save_url, file_name+'.mp3')