Add support for the PaymentIntent resource

This is gated so for now the tests are stubbed.

stripe/api_resources/__init__.py

@@ -30,6 +30,7 @@
 from stripe.api_resources.login_link import LoginLink
 from stripe.api_resources.order import Order
 from stripe.api_resources.order_return import OrderReturn
+from stripe.api_resources.payment_intent import PaymentIntent
 from stripe.api_resources.payout import Payout
 from stripe.api_resources.plan import Plan
 from stripe.api_resources.product import Product

stripe/api_resources/payment_intent.py

@@ -0,0 +1,34 @@
+from __future__ import absolute_import, division, print_function
+
+from stripe import util
+from stripe.api_resources.abstract import CreateableAPIResource
+from stripe.api_resources.abstract import DeletableAPIResource
+from stripe.api_resources.abstract import UpdateableAPIResource
+from stripe.api_resources.abstract import ListableAPIResource
+
+
+class PaymentIntent(CreateableAPIResource, DeletableAPIResource,
+                    UpdateableAPIResource, ListableAPIResource):
+    OBJECT_NAME = 'subscription_item'
+
+    @classmethod
+    def class_name(cls):
+        return 'subscription_item'
+
+    def cancel(self, idempotency_key=None, **params):
+        url = self.instance_url() + '/cancel'
+        headers = util.populate_headers(idempotency_key)
+        self.refresh_from(self.request('post', url, params, headers))
+        return self
+
+    def capture(self, idempotency_key=None, **params):
+        url = self.instance_url() + '/cancel'
+        headers = util.populate_headers(idempotency_key)
+        self.refresh_from(self.request('post', url, params, headers))
+        return self
+
+    def confirm(self, idempotency_key=None, **params):
+        url = self.instance_url() + '/cancel'
+        headers = util.populate_headers(idempotency_key)
+        self.refresh_from(self.request('post', url, params, headers))
+        return self

tests/api_resources/test_payment_intent.py

@@ -0,0 +1,64 @@
+from __future__ import absolute_import, division, print_function
+
+import stripe
+from tests.helper import StripeTestCase
+
+
+TEST_RESOURCE_ID = 'pi_123'
+
+
+class PaymentIntentTest(StripeTestCase):
+    FIXTURE = {
+        'id': TEST_RESOURCE_ID,
+        'object': 'payment_intent'
+    }
+
+    def test_is_listable(self):
+        self.stub_request(
+            'get',
+            '/v1/payment_intents',
+            {
+                'object': 'list',
+                'data': [self.FIXTURE],
+            }
+        )
+
+        resources = stripe.PaymentIntent.list()
+        self.assert_requested(
+            'get',
+            '/v1/payment_intents'
+        )
+        self.assertIsInstance(resources.data, list)
+        self.assertIsInstance(resources.data[0], stripe.PaymentIntent)
+
+    def test_is_retrievable(self):
+        self.stub_request(
+            'get',
+            '/v1/payment_intents/%s' % TEST_RESOURCE_ID,
+            self.FIXTURE
+        )
+
+        resource = stripe.PaymentIntent.retrieve(TEST_RESOURCE_ID)
+        self.assert_requested(
+            'get',
+            '/v1/payment_intents/%s' % TEST_RESOURCE_ID
+        )
+        self.assertIsInstance(resource, stripe.PaymentIntent)
+
+    def test_is_creatable(self):
+        self.stub_request(
+            'post',
+            '/v1/payment_intents',
+            self.FIXTURE
+        )
+
+        resource = stripe.PaymentIntent.create(
+            allowed_source_types=['card'],
+            amount='1234',
+            currency='amount'
+        )
+        self.assert_requested(
+            'post',
+            '/v1/payment_intents',
+        )
+        self.assertIsInstance(resource, stripe.PaymentIntent)