certificats pfx dans python Linux

#Python Linux
# Chemin d'accès au fichier de certificat PFX et au mot de passe
pfx_file_path = 'certificat.pfx' #certificat
pfx_password = 'ma_cle' # key

from cryptography.hazmat.primitives import serialization
from requests import Session
import cryptography.hazmat.primitives.serialization.pkcs12
import tempfile #Generate temporary files and directories

with open(pfx_file_path, "rb") as f:
    (
        private_key,
        certificate,
        additional_certificates,
    ) = serialization.pkcs12.load_key_and_certificates(
        f.read(), pfx_password.encode()
    )

"""
La clé sera disponible dans un fichier temporaire lisible par l'utilisateur pendant
l' exécution du programme (jusqu'à ce que la clé et le certificat soient gc'ed)
"""

key = tempfile.NamedTemporaryFile()
cert = tempfile.NamedTemporaryFile()
key.write(
    private_key.private_bytes(
        encoding=serialization.Encoding.PEM,
        format=serialization.PrivateFormat.PKCS8,
        encryption_algorithm=serialization.NoEncryption(),
    )
)

key.flush()

""" Ecrire certificat PEM Generate temporary files and directories """
cert.write(
    certificate.public_bytes(serialization.Encoding.PEM),
)

cert.flush()
session = Session() # ...  requests.session()
session.cert = (cert.name, key.name)

print ("DEBUG session.cert ",session.cert, cert.name,key.name)

input("Presiona Enter para continuar...")