Add basic SNS support.

moto/sns/utils.py

@@ -0,0 +1,10 @@
+import uuid
+
+
+def make_arn_for_topic(account_id, name):
+    return "arn:aws:sns:us-east-1:{}:{}".format(account_id, name)
+
+
+def make_arn_for_subscription(topic_arn):
+    subscription_id = uuid.uuid4()
+    return "{}:{}".format(topic_arn, subscription_id)