((hot)) Download Zip File From S3 Bucket Python May 2026

through the internal files using Python’s zipfile module.

The simplest way to download a ZIP file is using the download_file method. This handles multi-part downloads for large files automatically. download zip file from s3 bucket python

import boto3 # Initialize the S3 client s3 = boto3.client('s3') # Define your parameters bucket_name = 'your-bucket-name' s3_file_key = 'folder/data.zip' local_file_path = 'downloaded_data.zip' # Download the file s3.download_file(bucket_name, s3_file_key, local_file_path) print(f"File successfully downloaded to {local_file_path}") Use code with caution. : The name of your S3 bucket. Key : The full path to the ZIP file within the bucket. Filename : The local path where you want to save the file. Method 2: Download Directly to Memory through the internal files using Python’s zipfile module

import boto3 import io import zipfile s3 = boto3.client('s3') buffer = io.BytesIO() # Download file-like object to memory s3.download_fileobj('your-bucket-name', 'data.zip', buffer) # Process the ZIP file from memory buffer.seek(0) with zipfile.ZipFile(buffer) as z: # List files inside the ZIP print(z.namelist()) # Extract a specific file from memory with z.open('content.txt') as f: print(f.read().decode('utf-8')) Use code with caution. Method 3: Unzip S3 Files "In-Place" import boto3 # Initialize the S3 client s3 = boto3