S3 Manager CLI

A Python CLI tool built with boto3 and click to demonstrate core AWS S3 operations.

Features

• Create S3 buckets
• Upload files
• Download files
• List objects in a bucket
• Generate pre-signed URLs for temporary access

Project Structure

s3-manager-project/
├── s3_manager/
│   ├── __init__.py
│   └── cli.py
├── tests/
│   ├── __init__.py
│   └── test_cli.py
├── requirements.txt
├── setup.py
├── policy.json
└── README.md

Setup

1. Install Python 3.8+
2. Install the tool:

   pip install -e .

3. Configure AWS Credentials: Ensure you have AWS credentials set up via one of these methods:
   • aws configure (sets up the default profile)
   • aws configure --profile my-profile
   • Environment variables (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY)

Usage

# Get help
s3-manager --help
s3-manager create-bucket --help

# Create a bucket (bucket names must be GLOBALLY unique)
s3-manager --profile my-profile --region us-east-1 create-bucket my-unique-bucket-name-123

# Upload a file
s3-manager -p my-profile upload-file my-unique-bucket-name-2 ./my-photo.jpg --object-key images/vacation.jpg

# List objects
s3-manager -p my-profile list-objects my-unique-bucket-name-2

# Generate a pre-signed URL
s3-manager -p my-profile generate-presigned-url my-unique-bucket-name-2 images/vacation.jpg --expires-in 300

# Download a file
s3-manager -p my-profile download-file my-unique-bucket-name-2 images/vacation.jpg ./downloaded-photo.jpg