Accessing AWS within a Google Colab using the built-in secret manager

boto3_in_colab.py

import boto3
from google.colab import userdata

# refresh the temporary credentials via the key symbol in the left hand tab
s3_resource = boto3.resource('s3',
    aws_access_key_id=userdata.get('AWS_ACCESS_KEY_ID'),
    aws_secret_access_key=userdata.get('AWS_SECRET_ACCESS_KEY'),
    aws_session_token=userdata.get('AWS_SESSION_TOKEN')
)

for bucket in s3_resource.buckets.all():
    print(bucket.name)