sigv4 sample

main.py

import boto3
from botocore.auth import SigV4Auth
from botocore.awsrequest import AWSRequest

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

def make_signed_request(method, url, service_name, region, data=None, params=None, headers=None):
    request = AWSRequest(method=method, url=url, data=data, params=params, headers=headers)
    SigV4Auth(credentials, service_name, region).add_auth(request)
    return request