xray.py

import base64
from cryptography.hazmat.primitives.asymmetric.x25519 import X25519PrivateKey

private_key = X25519PrivateKey.generate()
public_key = private_key.public_key()

def base64it(the_key):
    return base64.urlsafe_b64encode(the_key).decode().rstrip("=")

print("private: ", base64it(private_key.private_bytes_raw()))
print("public: ", base64it(public_key.public_bytes_raw()))