boto3 and s3

download_s3.py

import boto3
import json
from urllib.parse import urlparse

BUCKET_NAME = 'bucket-name'

session = boto3.Session(
    aws_access_key_id="secret-id",
    aws_secret_access_key="secret-access-key"
)

def get_key_from_s3_url(url):
    url = urlparse(url)
    return url.path.lstrip("/")

def get_content_s3(url, bucket="bucket-name"):
    if url:
        key = get_key_from_s3_url(url)
        s3 = session.client("s3")

        try:
            obj = s3.get_object(Bucket=bucket, Key=key)
        except Exception as err:
            raise err

        print(json.loads(obj["Body"].read().decode("utf-8")))


if __name__ == "__main__":
    get_content_s3('s3://filename.json')