使用DataLakeFileClient和进度条下载文件

import os
from tencentcloud.common import credential
from tencentcloud.common.profile.client_profile import ClientProfile
from tencentcloud.common.profile.http_profile import HttpProfile
from tencentcloud.datalake.v20190613 import datalake_client, models

def download_file_with_progress(bucket_name, file_path, local_path):
    cred = credential.Credential("your_secret_id", "your_secret_key")
    httpProfile = HttpProfile()
    httpProfile.endpoint = "datalake.tencentcloudapi.com"

    clientProfile = ClientProfile()
    clientProfile.httpProfile = httpProfile
    client = datalake_client.DatalakeClient(cred, "ap-guangzhou", clientProfile)

    request = models.DownloadFileRequest()
    request.Bucket = bucket_name
    request.Key = file_path

    response = client.DownloadFile(request)
    total_size = int(response.Header['Content-Length'])
    downloaded_size = 0

    with open(local_path, 'wb') as f:
        for chunk in response.Body:
            f.write(chunk)
            downloaded_size += len(chunk)
            progress = (downloaded_size / total_size) * 100
            print(f"Download progress: {progress:.2f}%")

if __name__ == "__main__":
    bucket_name = "your_bucket_name"
    file_path = "your_file_path"
    local_path = "local_file_path"
    download_file_with_progress(bucket_name, file_path, local_path)