import boto3
import os

def download_files_from_s3(bucket_name, local_directory):
    # Initialize a session using your credentials
    session = boto3.Session(
        aws_access_key_id='YOUR_ACCESS_KEY',
        aws_secret_access_key='YOUR_SECRET_KEY',
        region_name='YOUR_REGION'
    )

    # Create an S3 client
    s3 = session.client('s3')

    # List objects within a given prefix
    response = s3.list_objects(Bucket=bucket_name)

    if 'Contents' in response:
        for item in response['Contents']:
            file_name = item['Key']
            local_path = os.path.join(local_directory, file_name)

            # Make sure directories exist
            if '/' in file_name:
                os.makedirs(os.path.dirname(local_path), exist_ok=True)

            # Download the file
            s3.download_file(bucket_name, file_name, local_path)
            print(f"Downloaded {file_name} to {local_path}")

# Usage
bucket_name = 'your-bucket-name'
local_directory = '/path/to/your/local/directory'
download_files_from_s3(bucket_name, local_directory)