Premier appel

import hashlib
import hmac
import json
import os
import secrets
import time
import urllib.request

base_url = os.getenv("MARKO_API_BASE_URL", "https://partner-api.marko.fr/v1").rstrip("/")
key_id = os.environ["MARKO_KEY_ID"]
secret = os.environ["MARKO_API_SECRET"]
timestamp = int(time.time())
nonce = secrets.token_urlsafe(24)
message = f"MARKO-EXTERNAL-API-TOKEN-V1\n{key_id}\n{timestamp}\n{nonce}"
signature = hmac.new(secret.encode(), message.encode(), hashlib.sha256).hexdigest()

payload = json.dumps({
    "key_id": key_id,
    "timestamp": timestamp,
    "nonce": nonce,
    "signature": signature,
}).encode()
token_request = urllib.request.Request(
    f"{base_url}/auth/token",
    data=payload,
    headers={"Content-Type": "application/json"},
    method="POST",
)
with urllib.request.urlopen(token_request, timeout=30) as response:
    access_token = json.load(response)["access_token"]

operations_request = urllib.request.Request(
    f"{base_url}/operations?limit=1",
    headers={"Authorization": f"Bearer {access_token}"},
)
with urllib.request.urlopen(operations_request, timeout=30) as response:
    print(json.dumps(json.load(response), indent=2, ensure_ascii=False))