AWS S3 boto3

s3.py

#!/usr/bin/env python
import boto3
import json
import os

AWS_ACCESS_KEY_ID=os.getenv('AWS_ACCESS_KEY_ID')
AWS_SECRET_ACCESS_KEY=os.getenv('AWS_SECRET_ACCESS_KEY')
region_name=None
s3 = boto3.resource('s3',aws_access_key_id=AWS_ACCESS_KEY_ID,aws_secret_access_key=AWS_SECRET_ACCESS_KEY)
s3_client = boto3.client('s3', region_name=region_name)

BUCKET_NAME = 'bucket_name_xxxx121212'

bucket = s3.Bucket(BUCKET_NAME)
bucket.delete()

BUCKET_NAME = 'andrewp-as-is-github-io-media'

# list
response = s3_client.list_buckets()

# create
kwargs = {'Bucket':BUCKET_NAME}
if region_name:
    kwargs.update({'LocationConstraint': region_name})
s3_client.create_bucket(**kwargs)

# get
bucket = s3.Bucket(BUCKET_NAME)

if bucket.creation_date:
   print("The bucket exists")
else:
   print("The bucket does not exist")

# Policy
BUCKET_POLICY = {
    'Version': '2012-10-17',
    'Statement': [{
        'Effect': 'Allow',
        'Principal': '*',
        'Action': ['s3:GetObject'],
        'Resource': "arn:aws:s3:::%s/*" % BUCKET_NAME
    }]
}
s3_client.put_bucket_policy(Bucket=BUCKET_NAME, Policy=json.dumps(BUCKET_POLICY))
policy = s3_client.get_bucket_policy(Bucket=BUCKET_NAME)
print(policy)
s3_client.delete_bucket_policy(Bucket=BUCKET_NAME)

# CORS
cors = bucket.Cors()

config = {
    'CORSRules': [
        {
            'AllowedMethods': ['GET'],
            'AllowedOrigins': ['*']
        }
    ]
}
cors.put(CORSConfiguration=config)

# https://boto3.amazonaws.com/v1/documentation/api/latest/guide/migrations3.html
cors.delete()

# delete bucket
bucket.delete()