PDF generation API for JSON — without HTML or headless browsers

# Flask config
JAYCODE_CLIENT_DOWNLOAD_DIR = os.environ.get("JAYCODE_CLIENT_DOWNLOAD_DIR", "downloads")
JAYCODE_CLIENT_DOWNLOAD_WORKERS = int(os.environ.get("JAYCODE_CLIENT_DOWNLOAD_WORKERS", "2"))
JAYCODE_CLIENT_REQUEST_TIMEOUT = int(os.environ.get("JAYCODE_CLIENT_REQUEST_TIMEOUT", "30"))

# Plain Python
import os

JAYCODE_CLIENT_DOWNLOAD_DIR = os.getenv("JAYCODE_CLIENT_DOWNLOAD_DIR", "downloads")
JAYCODE_CLIENT_DOWNLOAD_WORKERS = int(os.getenv("JAYCODE_CLIENT_DOWNLOAD_WORKERS", "2"))

_client: JayCodeClient | None = None

def get_client() -> JayCodeClient:
    global _client
    if _client is None:
        _client = build_client()
    return _client

_client: JayCodeClient | None = None

def get_client() -> JayCodeClient:
    global _client
    if _client is None:
        _client = build_client()
    return _client

from jaycode_client import JayCodeClient

client = JayCodeClient.from_env(callbacks=callbacks, delivery=delivery)
client = client or build_client()

class MyAppConfig(AppConfig):
    def ready(self) -> None:
        from examples.django_integration import get_client
        client = get_client()
        client.start()

def create_app() -> Flask:
    app = Flask(__name__)
    with app.app_context():
        get_client().start()
    return app

client = get_client()
client.start()

def shutdown_all() -> None:
    client.stop()

atexit.register(shutdown_all)

import atexit

atexit.register(client.stop)

import atexit

atexit.register(client.stop)

# submit endpoint
client.submit(blueprint="public/stripe-style-invoice", vars=payload)

# webhook endpoint
client.handle_webhook(request.headers, request.body)

@app.post("/render")
def render_pdf() -> dict[str, str]:
    return client.submit(blueprint="public/stripe-style-invoice", vars=payload)

@app.post("/webhook")
def webhook() -> dict[str, str]:
    return client.handle_webhook(request.headers, request.get_data())

job = client.submit(blueprint="public/stripe-style-invoice", vars=payload)
result = client.handle_webhook(headers, body)