Python SDK for Finanfut Billing External API
Project description
Finanfut Billing Python SDK
Client oficial sincrònic per consumir la Finanfut Billing External API (/external/v1) amb models compatibles amb Pydantic v2, ara preparat per treballar amb Business Units.
Instal·lació
- Pydantic 2.x:
pip install finanfut-billing-sdk>=2.0 - Pydantic 1.x:
pip install finanfut-billing-sdk<2.0 - Des del repositori local:
pip install -e backend/sdk
Dependències principals:
pydantic>=2.0,<3.0requests>=2.31
Configuració bàsica i Business Units
from finanfut_billing_sdk import FinanfutBillingClient
client = FinanfutBillingClient(
base_url="https://api.finanfut-billing.com",
api_key="sk_live_xxx",
business_unit_id="bu_default", # opcional: aplicada a serveis/factures/liquidacions per defecte
)
Com funciona business_unit_id
- Global al client: passa
business_unit_idal constructor i s'aplicarà automàticament a les operacions compatibles. - Per operació: pots sobreescriure-la en cada mètode (
business_unit_id="bu_alt"). - Endpoints sense BU: tax rates i partner payment methods són d'abast de companyia i ignoren la BU (l'SDK emet un avís si n'hi ha una definida).
- Liquidacions (settlements): la BU és opcional però s'envia quan està disponible per enrutar payouts.
- External API: serveis i factures externes accepten BU però actualment poden ignorar-la; l'SDK ja no la tracta com a obligatòria.
Exemples d'ús
Crear producte/servei amb BU
from decimal import Decimal
from finanfut_billing_sdk.models import ExternalServiceUpsertRequest
payload = ExternalServiceUpsertRequest(
external_reference="service_abc",
type="service",
name="Monthly subscription",
description="Access to premium content",
price=Decimal("29.90"),
vat_rate_code="vat_21",
)
service = client.upsert_service(payload) # usa la BU global
Crear factura amb BU (sobre-escrivint la BU global)
from finanfut_billing_sdk.models import ExternalInvoiceCreateRequest, ExternalInvoiceLine
invoice = client.create_invoice(
ExternalInvoiceCreateRequest(
client_external_reference="client_123",
currency="EUR",
lines=[
ExternalInvoiceLine(
service_external_reference="service_abc",
description="Premium plan",
qty=1,
price=29.90,
vat_rate_id="tax_rate_uuid",
),
],
),
business_unit_id="bu_sales", # prioritat respecte la BU global
)
Operacions sense BU (àmbit de companyia)
# Els tax rates i partner payment methods ignoren la BU.
client.list_tax_rates()
client.partner_payment_methods.list_partner_payment_methods()
Idempotència en liquidacions
settlement = client.settlements.create_settlement(
payload,
idempotency_key="settlement-create-2024-12-31",
)
Enviar factura i registrar pagament
from finanfut_billing_sdk.models import ExternalInvoiceEmailRequest, ExternalPaymentCreateRequest
email = client.send_invoice_email(
invoice.invoice_id,
ExternalInvoiceEmailRequest(subject="La teva factura", body="Adjunt trobaràs el PDF"),
)
payment = client.register_payment(
invoice.invoice_id,
ExternalPaymentCreateRequest(amount=29.90, method="stripe"),
)
Checkout i onboarding de Stripe Connect
from finanfut_billing_sdk.models import ExternalCheckoutCreateRequest, ExternalConnectOnboardRequest
checkout = client.payments.create_checkout(
"stripe",
ExternalCheckoutCreateRequest(
amount=29.90,
currency="EUR",
business_unit_id="bu_sales",
provider_payload={"payment_method_types": ["card"]},
),
)
connect = client.payments.connect_onboard(
"stripe",
ExternalConnectOnboardRequest(
provider_id="provider_uuid",
return_url="https://app.example.com/connect/return",
refresh_url="https://app.example.com/connect/refresh",
),
)
Checkout sessions de Stripe (external)
from finanfut_billing_sdk.models import ExternalCheckoutSessionCreateRequest
session = client.payments.create_checkout_session(
ExternalCheckoutSessionCreateRequest(
amount=49.90,
currency="EUR",
success_url="https://app.example.com/ok",
cancel_url="https://app.example.com/cancel",
description="Pagament",
),
idempotency_key="checkout-session-2024-12-01",
)
Subscripcions BU
from finanfut_billing_sdk.models import SubscriptionPricingSnapshot, SubscriptionStartRequest
payload = SubscriptionStartRequest(
request_id="sports-pro-2025-01",
business_unit_id="bu_sales",
subject_type="team",
subject_id="team_123",
billing_client_id="client_uuid",
bu_plan_ref="pro_v3",
pricing_snapshot=SubscriptionPricingSnapshot(
amount=29.9,
currency="EUR",
interval="month",
),
success_url="https://app.example.com/billing/success",
cancel_url="https://app.example.com/billing/cancel",
)
response = client.subscriptions.start_subscription(payload)
Errors
from finanfut_billing_sdk.errors import (
FinanfutBillingAuthError,
FinanfutBillingServiceError,
FinanfutBillingValidationError,
)
try:
client.list_tax_rates()
except FinanfutBillingAuthError:
print("API key incorrecta o sense permisos")
except FinanfutBillingValidationError as e:
print("Error de validació:", e.payload)
except FinanfutBillingServiceError as e:
print(f"Error de servei ({e.request_id}): {e.error}")
Els errors del backend inclouen sempre error, message i request_id.
Publicació a PyPI
El paquet està preparat per publicar-se a PyPI quan es creen tags v* al repositori. El workflow publish-sdk.yml valida la versió (__version__) i fa l'upload amb Twine.
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