Update the `rest-api` scaffold to use generic controllers, *not* RestController

Closes-Bug #1413038

Change-Id: I6b91479d9af754b1833abf212a20112e8372a948

pecan/scaffolds/rest-api/+package+/controllers/root.py

@@ -1,5 +1,4 @@
 from pecan import expose, response, abort
-from pecan.rest import RestController
 
 people = {
     1: 'Luke',
@@ -9,30 +8,40 @@ people = {
 }
 
 
-class PeopleController(RestController):
+class PersonController(object):
 
-    @expose('json')
-    def get_all(self):
-        return people
+    def __init__(self, person_id):
+        self.person_id = person_id
 
-    @expose()
-    def get_one(self, person_id):
-        return people.get(int(person_id)) or abort(404)
+    @expose(generic=True)
+    def index(self):
+        return people.get(self.person_id) or abort(404)
 
-    @expose()
-    def post(self):
-        # TODO: Create a new person
-        response.status = 201
-
-    @expose()
-    def put(self, person_id):
+    @index.when(method='PUT')
+    def put(self):
         # TODO: Idempotent PUT (returns 200 or 204)
         response.status = 204
 
-    @expose()
-    def delete(self, person_id):
+    @index.when(method='DELETE')
+    def delete(self):
         # TODO: Idempotent DELETE
-        response.status = 200
+        response.status = 204
+
+
+class PeopleController(object):
+
+    @expose()
+    def _lookup(self, person_id, *remainder):
+        return PersonController(int(person_id)), remainder
+
+    @expose(generic=True, template='json')
+    def index(self):
+        return people
+
+    @index.when(method='POST', template='json')
+    def post(self):
+        # TODO: Create a new person
+        response.status = 201
 
 
 class RootController(object):

pecan/scaffolds/rest-api/+package+/tests/test_functional.py_tmpl

@@ -22,11 +22,11 @@ class TestRootController(FunctionalTest):
         assert response.status_int == 201
 
     def test_put(self):
-        response = self.app.put('/people/1')
+        response = self.app.put('/people/1/')
         assert response.status_int == 204
 
     def test_delete(self):
-        response = self.app.delete('/people/1')
+        response = self.app.delete('/people/1/')
         assert response.status_int == 204
 
     def test_not_found(self):