The most common way to download an object is using the download_file method. This is a high-level, managed transfer that can handle large files by automatically using multiple threads.
For small files that you want to process immediately (like a JSON configuration or a small CSV), use get_object . This returns a StreamingBody which you can read directly. Downloading files - Boto3 1.43.5 documentation how to download s3 file using python
import boto3 # Initialize the S3 client s3 = boto3.client('s3') # Specify the bucket name, the object key (S3 path), and the local file name bucket_name = 'your-bucket-name' object_key = 'data/reports/monthly_sales.csv' local_file_path = 'sales_data.csv' # Download the file s3.download_file(bucket_name, object_key, local_file_path) print(f"File {object_key} downloaded successfully to {local_file_path}") Use code with caution. : The name of the S3 bucket. Key : The full path of the object inside the bucket. Filename : The local path where you want the file saved. 2. Downloading a File to a File-Like Object The most common way to download an object
: You need an aws_access_key_id and aws_secret_access_key with permissions to read from the target S3 bucket. 1. Downloading a File to Your Local Machine This returns a StreamingBody which you can read directly
Downloading files from Amazon S3 using Python is a common task in data engineering and web development. The primary tool for this is , the official AWS SDK for Python.