added missing settings

README.md

@@ -1,25 +1,52 @@
 # REST based PayPal Payment Provider Integration for django-shop
 
-This integration only works for django-shop version 0.3 and above.
-
+This integrates the PayPal for django-shop version 0.9 and above.
 
 ## Installation
 
-In ``settings.py`` add ``'shop_paypal'`` to ``INSTALLED_APPS``.
+for django-shop version 0.9.x:
+
+```
+pip install djangoshop-paypal==0.1.4
+```
+
+for django-shop version 0.10.x:
+
+```
+pip install djangoshop-paypal==0.2.0
+```
+
+## Configuration
+
+In ``settings.py`` of the merchant's project:
+
+Add ``'shop_paypal'`` to ``INSTALLED_APPS``.
+
+At [PayPal](https://paypal.com/) create a business account and apply for the vendor credentials.
+For a testing account add them as:
+
+```
+SHOP_PAYPAL = {
+    'API_ENDPOINT': 'https://api.sandbox.paypal.com',
+    'MODE': 'sandbox',
+    'CLIENT_ID': '<client-id-as-delivered-by-PayPal>',
+    'CLIENT_SECRET': '<client-secret-as-delivered-by-PayPal>',
+}
+```
 
-In ``settings.py`` add
+and for production:
 
 ```
 SHOP_PAYPAL = {
-    'API_ENDPOINT': 'https://api.sandbox.paypal.com',  # or 'https://api.paypal.com'
-    'MODE': 'sandbox',  # 'sandbox' or 'live'
+    'API_ENDPOINT': 'https://api.paypal.com',
+    'MODE': 'live',
     'CLIENT_ID': '<client-id-as-delivered-by-PayPal>',
     'CLIENT_SECRET': '<client-secret-as-delivered-by-PayPal>',
 }
 ```
 
-In ``settings.py`` add ``'shop_paypal.payment.PaymentModifier'`` to ``SHOP_CART_MODIFIERS``.
+Add ``'shop_paypal.modifiers.PaymentModifier'`` to the list of ``SHOP_CART_MODIFIERS``.
 
-In ``settings.py`` add ``'shop_paypal.payment.OrderWorkflowMixin'`` to ``SHOP_ORDER_WORKFLOWS``.
+Add ``'shop_paypal.payment.OrderWorkflowMixin'`` to the list of ``SHOP_ORDER_WORKFLOWS``.
 
-This will add a list item for PayPal to the select fields, when chosing the payment method.
+When rendering the payment method form, "PayPal" shall appear in the list of possible payments.