Python动态下载进度条实例

pip install tqdm

import tqdmurl = 'https://example.com/file.zip'# 创建一个进度条progress_bar = tqdm.tqdm(unit='B', unit_scale=True)# 下载文件并更新进度条with open('file.zip', 'wb') as f:    response = requests.get(url, stream=True)    total_size = response.headers.get('content-length')    if total_size is not None:        progress_bar.total = int(total_size)    for data in response.iter_content(chunk_size=8192):        size = f.write(data)        progress_bar.update(size)