Use cert from AWS Secrets Manager in requests

requests-use-cert.py

import requests

secret_id = 'id-for-your-cert-secret-goes-here'

secrets_manager = boto3.client('secretsmanager')
response = secrets_manager.get_secret_value(SecretId=secret_id)
cert_content = json.loads(response['SecretString'])

file_type = requests.packages.urllib3.contrib.pyopenssl.OpenSSL.crypto.FILETYPE_PEM

cert = requests.packages.urllib3.contrib.pyopenssl.OpenSSL.crypto.load_certificate(file_type, cert_content)
pkey = requests.packages.urllib3.contrib.pyopenssl.OpenSSL.crypto.load_privatekey(file_type, cert_content)

class Pkcs12Context(requests.packages.urllib3.contrib.pyopenssl.OpenSSL.SSL.Context):
    def __init__(self, method):
        super().__init__(method)
        self.use_certificate(cert)
        self.use_privatekey(pkey)

requests.packages.urllib3.contrib.pyopenssl.OpenSSL.SSL.Context = Pkcs12Context

response = requests.get('https://example.com')