Python-SDK-Anleitung

python3 -m venv venv
source venv/bin/activate
pip install boto3

import boto3
from botocore.client import Config

s3 = boto3.client(
    's3',
    endpoint_url='http://localhost:9000',
    aws_access_key_id='<your-access-key>',
    aws_secret_access_key='<your-secret-key>',
    region_name='us-east-1',
    config=Config(
        signature_version='s3v4',
        s3={'addressing_style': 'path'},
    ),
)

response = s3.list_buckets()
for bucket in response['Buckets']:
    print(bucket['Name'])

python main.py

bucket_name = 'my-bucket'

try:
    s3.create_bucket(Bucket=bucket_name)
    print(f'Bucket {bucket_name} created.')
except s3.exceptions.BucketAlreadyOwnedByYou:
    print(f'Bucket {bucket_name} already exists.')

Bucket my-bucket created.

s3.upload_file('/path/to/hello.txt', bucket_name, 'hello.txt')
print('File uploaded.')

File uploaded.

s3.download_file(bucket_name, 'hello.txt', 'hello-downloaded.txt')
print('File downloaded.')

File downloaded.

response = s3.list_objects_v2(Bucket=bucket_name)
for obj in response.get('Contents', []):
    print(f"- {obj['Key']} ({obj['Size']} bytes)")

- hello.txt (12 bytes)

s3.delete_object(Bucket=bucket_name, Key='hello.txt')
print('Object deleted.')

s3.delete_bucket(Bucket=bucket_name)
print('Bucket deleted.')

Object deleted.
Bucket deleted.

url = s3.generate_presigned_url(
    ClientMethod='get_object',
    Params={'Bucket': bucket_name, 'Key': 'hello.txt'},
    ExpiresIn=600,  # expires in 10 minutes
)

print('Presigned GET URL:', url)

Presigned GET URL: http://localhost:9000/my-bucket/hello.txt?X-Amz-Algorithm=AWS4-HMAC-SHA256&...

url = s3.generate_presigned_url(
    ClientMethod='put_object',
    Params={'Bucket': bucket_name, 'Key': 'upload-by-url.txt'},
    ExpiresIn=600,
)

print('Presigned PUT URL:', url)

curl -X PUT --upload-file /path/to/hello.txt "http://localhost:9000/my-bucket/upload-by-url.txt?X-Amz-Algorithm=..."

file_path = 'largefile.bin'
key = 'largefile.bin'
part_size = 5 * 1024 * 1024  # 5 MB

# 1. Start upload
response = s3.create_multipart_upload(Bucket=bucket_name, Key=key)
upload_id = response['UploadId']
parts = []

try:
    with open(file_path, 'rb') as f:
        part_number = 1
        while True:
            data = f.read(part_size)
            if not data:
                break

            part = s3.upload_part(
                Bucket=bucket_name,
                Key=key,
                PartNumber=part_number,
                UploadId=upload_id,
                Body=data,
            )

            parts.append({'ETag': part['ETag'], 'PartNumber': part_number})
            print(f'Uploaded part {part_number}')
            part_number += 1

    # 2. Complete upload
    s3.complete_multipart_upload(
        Bucket=bucket_name,
        Key=key,
        UploadId=upload_id,
        MultipartUpload={'Parts': parts},
    )
    print('Multipart upload complete.')

except Exception as e:
    # Abort upload
    s3.abort_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id)
    print('Multipart upload aborted due to error:', e)

Uploaded part 1
Uploaded part 2
Uploaded part 3
Multipart upload complete.

def upload_file(local_path, bucket, object_key):
    s3.upload_file(local_path, bucket, object_key)
    print(f"Uploaded {local_path} to s3://{bucket}/{object_key}")


def download_file(bucket, object_key, local_path):
    s3.download_file(bucket, object_key, local_path)
    print(f"Downloaded s3://{bucket}/{object_key} to {local_path}")