Updated to use latest api wrapper

docs/backends/shopify.rst

@@ -4,7 +4,7 @@ Shopify
 Shopify uses OAuth 2 for authentication.
 
 To use this backend, you must install the package ``shopify`` from the `Github
-project`_.
+project`_. Currently supports v2+
 
 - Register a new application at `Shopify Partners`_, and
 

social/backends/shopify.py

@@ -32,19 +32,32 @@ def shopifyAPI(self):
     def get_user_details(self, response):
         """Use the shopify store name as the username"""
         return {
-            'username': six.text_type(response.get('shop', ''), 'utf-8')
+            'username': six.text_type(response.get('shop', ''))
                                 .replace('.myshopify.com', '')
         }
 
+
+    def extra_data(self, user, uid, response, details=None):
+        """Return access_token and extra defined names to store in
+        extra_data field"""
+        data = super(BaseOAuth2, self).extra_data(user, uid, response, details)
+        session = self.shopifyAPI.Session(self.data.get('shop').strip())
+        # Get, and store the permanent token
+        token = session.request_token(data["access_token"].dicts[1])
+        data["access_token"] = token
+
+        return dict(data)
+
     def auth_url(self):
         key, secret = self.get_key_and_secret()
         self.shopifyAPI.Session.setup(api_key=key, secret=secret)
         scope = self.get_scope()
         state = self.state_token()
         self.strategy.session_set(self.name + '_state', state)
         redirect_uri = self.get_redirect_uri(state)
-        return self.shopifyAPI.Session.create_permission_url(
-            self.data.get('shop').strip(),
+        session = self.shopifyAPI.Session(self.data.get('shop').strip())
+
+        return session.create_permission_url(
             scope=scope,
             redirect_uri=redirect_uri
         )
@@ -82,3 +95,4 @@ def do_auth(self, access_token, shop_url, website, *args, **kwargs):
             }
         })
         return self.strategy.authenticate(*args, **kwargs)
+