requests -如何在Requests中上传大块文件？

import requests

def upload_large_file(file_path, block_size=1024 * 1024):
    url = '上传接口的URL'
    headers = {'Content-Type': 'application/octet-stream', 'Authorization': 'Bearer token'}

    with open(file_path, 'rb') as file:
        total_size = os.path.getsize(file_path)
        uploaded_size = 0

        while uploaded_size < total_size:
            chunk = file.read(block_size)
            headers['Content-Length'] = str(len(chunk))
            response = requests.post(url, headers=headers, data=chunk)
            if response.status_code != 200:
                print('上传失败')
                return

            uploaded_size += len(chunk)
            print(f'已上传 {uploaded_size}/{total_size} bytes')

    print('上传完成')

# 调用函数进行大文件上传
upload_large_file('待上传的大文件路径')