show AWS credentials from standard configuration

show_cred.py

#!/usr/bin/env python

import boto3

session = boto3.Session()
cred = session.get_credentials().get_frozen_credentials()

env = {
  'AWS_PROFILE': session.profile_name,
  'AWS_DEFAULT_REGION': session.region_name,
  'AWS_ACCESS_KEY_ID': cred.access_key,
  'AWS_SECRET_ACCESS_KEY': cred.secret_key,
  'AWS_SESSION_TOKEN': cred.token
}

for k, v in [(k, v) for k, v in env.items() if v is not None]:
  print("export {key}=\"{value}\"".format(key=k, value=v))