s3_bucket_contents_list

lambda_s3_bucket_contents_list.py

import boto3

def lambda_handler(event, context):
    AWS_S3_BUCKET_NAME  = 'bucket_name'
    s3_resource = boto3.resource('s3')
    bucket = s3_resource.Bucket(AWS_S3_BUCKET_NAME)
    result = bucket.meta.client.list_objects_v2(Bucket=bucket.name, Prefix='bucket_dir')
    files = [o.get('Key') for o in result.get('Contents') if not o.get('Key').endswith('/')]
    print(files)
    return files