Certificat pfx dans Python Linux sans tmp

#Version sans fichier temporel , retourne les chaines PEM
"""
Retourne les chaines PEM directement
"""

# Chemin d'accès au fichier de certificat PFX et au mot de passe
pfx_file_path = 'certificat.pfx'
pfx_password = 'ClePublique'

from cryptography.hazmat.primitives import serialization
from requests import Session
import cryptography.hazmat.primitives.serialization.pkcs12


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


key_pem= private_key.private_bytes(
    encoding=serialization.Encoding.PEM,
    format=serialization.PrivateFormat.PKCS8,
    encryption_algorithm=serialization.NoEncryption(),
)

cert_pem= certificate.public_bytes(serialization.Encoding.PEM)


print ("\nCert PEM : ",cert_pem)
print ("\nKey Prive : ", key_pem)