Implementing RazorPay client in Python3

razorpay.py

# Razorpay docs:
# https://github.com/razorpay/razorpay-python
# https://docs.razorpay.com

import razorpay # pip3 install razorpay

api_key = '<enter your api key here>'
api_secret = '<enter your api secret here>'

class RazorPay:
    def __init__(self):
        self.__client = razorpay.Client(auth=(api_key, api_secret))
        self.__client.set_app_details({"title": "<enter your app title here>", "version": "<enter your app version here>"})

    # Payments - remember to give amount in Paisa i.e. 100p = 1 Re
    def fetch_all_payments(self):
        return self.__client.payment.all()

    def capture_payment(self, payment_id, amount):
        return self.__client.payment.capture(payment_id, amount)

    def fetch_payment(self, payment_id):
        return self.__client.payment.fetch(payment_id)

    # Refunds - remember to give amount in Paisa i.e. 100p = 1 Re
    def fetch_all_refunds(self):
        return self.__client.refund.all()

    def fetch_refund(self, refund_id):
        return self.__client.refund.fetch(refund_id)

    def process_refund(self, payment_id, refund_amount):
        return self.__client.payment.refund(payment_id, refund_amount)

    # Orders - Sample request and response data included
    def create_order(self, data):
        '''
        :param data:
        {
             "amount": "amount of order",
             "currency": "currency of order",
             "receipt": "receipt id of order",
             "payment_capture": "1 if capture should be done automatically or else 0",
             "notes": "optional notes for order"
        }
        :return:
        {
            "id": "order_6JUYuvmgCLfgjY",
            "entity": "order",
            "amount": 50000,
            "currency": "INR",
            "receipt": "rcptid42",
            "status": "created",
            "attempts": 0,
            "notes": [],
            "created_at": 1487348538
        }
        '''
        return self.__client.order.create(data=data)

    def fetch_all_orders(self):
        return self.__client.order.all()

    def fetch_order(self, order_id):
        return self.__client.order.fetch(order_id)

    def fetch_payment_from_order(self, order_id):
        return self.__client.order.payment(order_id)

    # Invoices - Sample request and response data included
    def create_invoice(self, data):
        '''
        :param data:
        {
            "type":"invoice",
            "customer":{
              "name": "Test",
                "email":"test@test.com",
                "contact":"9999999999",
                "billing_address":{
                    "line1":"#11, Navi Camp",
                    "city":"Pandora",
                    "state":"Karnataka",
                    "zipcode":"560076",
                    "country":"India"
                }
            },
            "line_items":[
                {
                    "name":"Book / English August",
                    "description":"Funny story of an IAS officer wanting to be aything other than an IAS.",
                    "amount":2000000,
                    "currency":"INR",
                    "quantity":2
                },
                {
                  "item_id": "item_8fhLmXnzF1AYvS"
                }
            ],
            "currency":"INR",
            "sms_notify": "1",
            "email_notify": "1"
        }
        :return:
        {
          "id": "inv_7Nb4lWu28WPV5L",
          "entity": "invoice",
          "receipt": "max-14-char-no",
          "customer_id": "cust_7NZ3uTXhicUQgQ",
          "customer": {
            "name": null,
            "email": "test@test.com",
            "contact": "9999999999",
            "billing_address": {
              "id": "addr_7NZ3uUd4tI7RCF",
              "type": "billing_address",
              "primary": true,
              "line1": "#11, Navi Camp",
              "line2": null,
              "zipcode": "560076",
              "city": "Pandora",
              "state": "Karnataka",
              "country": "in"
            }
          },
          "order_id": null,
          "line_items": [
            {
              "id": "li_7Nb4lYxT02VP2l",
              "name": "Book / English August",
              "description": null,
              "amount": 20000,
              "currency": "INR",
              "quantity": 2
            },
            {
              "id": "li_7Nb4lZcjZSndqz",
              "name": "Book / Ignited Minds",
              "description": null,
              "amount": 15000,
              "currency": "INR",
              "quantity": 1
            }
          ],
          "payment_id": null,
          "status": "draft",
          "expire_by": 1498439025,
          "issued_at": 1488446398,
          "paid_at": null,
          "expired_at": null,
          "sms_status": "pending",
          "email_status": "pending",
          "date": 1488439025,
          "terms": "Terms and condition of the service/invoice",
          "amount": 55000,
          "description": "Just an optional description for the invoice",
          "notes": {
            "random_key": "Random note"
          },
          "comment": "Optional comment to the customer for the invoice",
          "currency": "INR",
          "short_url": null,
          "view_less": true,
          "type": "invoice",
          "user_id": null,
          "created_at": 1488446398
        }
        '''
        return self.__client.invoice.create(data=data)

    def fetch_all_invoice(self):
        return self.__client.invoice.all()

    def fetch_invoice(self, invoice_id):
        return self.__client.invoice.fetch(invoice_id)

    # Customers
    def create_customer(self, data):
        return self.__client.customer.create(data=data)

    def fetch_customer(self, customer_id):
        return self.__client.customer.fetch(customer_id=customer_id)

    def edit_customer(self, customer_id, data):
        return self.__client.customer.edit(customer_id=customer_id, data=data)