Accept payments on your Python/Flask based website with cards, wallets, and key local payment methods

License: MIT License

Python 24.20% HTML 41.18% Shell 0.75% CSS 19.33% JavaScript 13.90% Dockerfile 0.64%

adyen-python-online-payments's Introduction

Adyen online payment integration demos

Run this integration in seconds using Gitpod

Open your Adyen Test Account and create a set of API keys.
Go to gitpod account variables.
Set the ADYEN_API_KEY, ADYEN_CLIENT_KEY, ADYEN_HMAC_KEY and ADYEN_MERCHANT_ACCOUNT variables.
Click the button below.

NOTE: To allow the Adyen Drop-In and Components to load, you have to add https://*.gitpod.io as allowed origin for your chosen set of API Credentials

First time with Gitpod?

Details

This repository showcases a PCI-compliant integration of the Sessions Flow, the default integration that we recommend for merchants. Explore this simplified e-commerce demo to discover the code, libraries and configuration you need to enable various payment options in your checkout experience.

The Demo leverages Adyen's API Library for Python GitHub | Docs.

Requirements

Python 3.5 or greater
Python libraries:
- flask
- uuid
- Adyen v8.0.0 or higher

Installation

Clone this repo

git clone https://github.com/adyen-examples/adyen-python-online-payments.git

Run source ./setup.sh to:
- Create and activate a virtual environment
- Download the necessary python dependencies
Create a .env file with all required configuration
- PORT (default 8080)
- API key
- Client Key
- Merchant Account
- HMAC Key

Remember to include http://localhost:8080 in the list of Allowed Origins

    PORT=8080
    ADYEN_API_KEY="your_API_key_here"
    ADYEN_MERCHANT_ACCOUNT="your_merchant_account_here"
    ADYEN_CLIENT_KEY="your_client_key_here"
    ADYEN_HMAC_KEY="your_hmac_key_here"

Usage

Run ./start.sh to:
- Initialize the required environment variables. This step is necessary every time you re-activate your venv
- Start Python app
Visit http://localhost:8080 and select an integration type.

To try out integrations with test card numbers and payment method details, see Test card numbers.

Webhooks

Webhooks deliver asynchronous notifications about the payment status and other events that are important to receive and process. You can find more information about webhooks in this blog post.

Webhook setup

In the Customer Area under the Developers → Webhooks section, create a new Standard webhook.

A good practice is to set up basic authentication, copy the generated HMAC Key and set it as an environment variable. The application will use this to verify the HMAC signatures.

Make sure the webhook is enabled, so it can receive notifications.

Expose an endpoint

This demo provides a simple webhook implementation exposed at /api/webhooks/notifications that shows you how to receive, validate and consume the webhook payload.

Test your webhook

The following webhooks events should be enabled:

AUTHORISATION

To make sure that the Adyen platform can reach your application, we have written a Webhooks Testing Guide that explores several options on how you can easily achieve this (e.g. running on localhost or cloud).

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adyen-python-online-payments's Issues

uuid not pip installable

I have had an issue where I was not able to install uuid via pip install... however, I was able to remove the uuid line from requirements.txt, and everything was then completely fine when running the the setup.sh. It appears uuid may be included with Python anyway.

The error from setup.sh:

Could not find a version that satisfies the requirement uuid==1.30 (from -r requirements.txt (line 3)) (from versions: )
No matching distribution found for uuid==1.30 (from -r requirements.txt (line 3))

Sample fails for Klarna method

Trying to proceed with a Klarna checkout fails for the sample, with the following error:

adyen-implementation.js:76 NETWORK_ERROR No InvoiceLines provided [This error message is only provided on TEST, this error will be a 500 Internal Error on LIVE.] NETWORK_ERROR: No InvoiceLines provided [This error message is only provided on TEST, this error will be a 500 Internal Error on LIVE.]
    at yB (https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.23.1/adyen.js:1:176298)
    at https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.23.1/adyen.js:1:175818
    at u (https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.23.1/adyen.js:1:38360)
    at Generator._invoke (https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.23.1/adyen.js:1:38148)
    at Generator.next (https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.23.1/adyen.js:1:38768)
    at Dd (https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.23.1/adyen.js:1:27464)
    at i (https://checkoutshopper-test.adyen.com/checkoutshopper/sdk/5.23.1/adyen.js:1:27658) r {_id: 'klarna-db9ebbba-fb74-4eb9-9805-b5ad62303a39', props: {…}, state: {…}, _node: div#component.payment, _component: {…}, …}

[BUG] Reference string length causes GrabPay Test Transaction to fail

name: 🐞 Bug
about: File a bug/issue
title: '[BUG] Reference string length causes GrabPay Test Transaction to fail'

Recommendation

The docs indicates a maximum string length of 80 for reference parameter. When reference length is replaced with a shorter string, GrabPay Drop-in works as expected.

Current Behavior:

Selecting GrabPay Drop-in option on GitPod instance returns a 422 error with message: "reference='Reference 0e852a1a-f187-49e9-9092-221772cbd46c' given is invalid.

Expected Behavior:

Selecting GrabPay Drop-in option on GitPod instance should redirect user to weblogin.grab.com to authenticate user and continue with checkout flow.

Steps To Reproduce:

Create test merchant account on Customer Area
Add GrabPay_SG payment method to test merchant account
Open ./app/main/sessions.py file
Change request['amount'] = {"value": "10000", "currency": "EUR"} to request['amount'] = {"value": "10000", "currency": "SGD"}
Change request['countryCode'] = "NL" to request['countryCode'] = "SG"
Run ./start.sh on GitPod instance
Visit the URL generated by GitPod instance
Click on Drop-in
Select GrabPay as the payment method you want to check out with

Environment:

requirements.txt

flask
Adyen == 7.1.1
python-dotenv===0.21.1

Browser

Chrome: v111.0

Iframe error in card component

Hi,
I set up the demo flask service for testing purpouses and I'm receiving a iframe error "The iframe has not configured - see suggestions in Console" inhibiting me from testing the card.

The issue has happened in both a windows 10 machine and a linux server. There are no suggestions printed out in any console I can think of, neither the browser debug console or the terminal running the service...

Any tips on how to get the component to work?

Regards.

Upgrade to Adyen Web 5.16.0

Upgrade sample application to use Adyen Web 5.16.0 (latest available to date)

README instructions don't work well for windows.

I think the following seemed to work but someone should re-verify and update the README accordingly. Perhaps even make a separate README for windows?

python3 -m venv venv
venv\Scripts\activate
pip install -r requirements.txt
set FLASK_ENV=development
venv\Scripts\activate
venv\Scripts\python.exe app/app.py

I think after creating a virtual environment, one should always just use venv\Scripts\* for python commands. But dunno, don't use windows much.

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