intsynko / python_webpay_by

Python client to webpay.by json api (https://docs.webpay.by/)

Python client for webpay.by json api

Python client for webpay Belorussia: https://docs.webpay.by/payment-json.html#operation/paymentReq

Install

pip install git+https://github.com/intsynko/python_webpay_by@master

How to use

Generate new payment:

from webpay_by.client import WebpayClient

SANBOX = 'https://securesandbox.webpay.by'
secret_key = 'secret_key'

cilent = WebpayClient(is_test=True, option_3ds="auto", store_id="123", store_name="Your shop display name",
                      version=2, language_id="russian", secret_key=secret_key, url=SANBOX)

resopnse = client.generate_payment(**{
    "return_url": "https://example.com/succees_url",
    "cancel_return_url": "https://example.com/fail_url",
    "notify_url": "https://example.com/webhook/", # optional
    "order_num": "123",
    "currency_id": "BYN",
    "invoice_itemname": ["a", "b"],
    "invoice_item_quantity": [1,2],
    "invoice_item_price": [4.0, 6.0],
    "total": 10.0,
    "customer_name": "client name (will be displayed in payment form)", # optional
    "email": "[e-mail]",
    ... # other optional params from documentation
})

redirect_url = resopnse["redirectUrl"]

Process webhook:

def post(self, request, *args, **kwargs):
    payload = request.body
    data = {x.split('=')[0]: x.split('=')[1] for x in payload.decode('utf-8').split('&')}
    end_statuses = [
        WebpayClient.PaymentType.Completed,
        WebpayClient.PaymentType.Authorized,
        WebpayClient.PaymentType.Declined,
    ]
    if int(data["payment_type"]) in end_statuses:
        if self.client.check_webhook_sign(data):
            # do code to finish payment
            return HttpResponse(status=200)
        else:
            logger.error(f'Calculated signature doesn\'t match')
            return HttpResponse(status=400)
    return HttpResponse(status=400)