Adding support for RestController, supporting most of the methods from

the original TG class. Still a few to complete. Includes a test.

pecan/routing.py

@@ -50,7 +50,11 @@ def find_object(obj, remainder, notfound_handlers):
         lookup = getattr(obj, '_lookup', None)
         if iscontroller(lookup):
             notfound_handlers.append(('_lookup', lookup, remainder))
-
+        
+        route = getattr(obj, '_route', None)
+        if iscontroller(route):
+            return route(remainder)
+        
         if not remainder: raise exc.HTTPNotFound
         next, remainder = remainder[0], remainder[1:]
         obj = getattr(obj, next, None)

tests/test_rest.py

@@ -0,0 +1,84 @@
+from pecan import expose, make_app, request, response
+from pecan.rest import RestController
+from webob import exc
+from webtest import TestApp, AppError
+from py.test import raises
+from json import dumps, loads
+
+
+class TestRestController(object):
+    
+    def test_basic_rest(self):
+        class ThingsController(RestController):
+            data = ['zero', 'one', 'two', 'three']
+            
+            @expose('json')
+            def get_one(self, id):
+                return self.data[int(id)]
+
+            @expose('json')
+            def get_all(self):
+                return self.data
+                
+            @expose('json')
+            def post(self, value):
+                self.data.append(value)
+                response.status = 302
+                return 'CREATED'
+
+            @expose('json')
+            def put(self, id, value):
+                self.data[int(id)] = value
+                return 'UPDATED'
+            
+            @expose('json')
+            def delete(self, id):
+                del self.data[int(id)]
+                return 'DELETED'
+        
+        class RootController(object):
+            things = ThingsController()
+        
+        # create the app
+        app = TestApp(make_app(RootController()))
+        
+        # test get_all
+        r = app.get('/things')
+        assert r.status_int == 200
+        assert r.body == dumps(ThingsController.data)
+        
+        # test get_one
+        for i, value in enumerate(ThingsController.data):
+            r = app.get('/things/%d' % i)
+            assert r.status_int == 200
+            assert r.body == dumps(value)
+        
+        # test post
+        r = app.post('/things', {'value':'four'})
+        assert r.status_int == 302
+        assert r.body == dumps('CREATED')
+        
+        # make sure it works
+        r = app.get('/things/4')
+        assert r.status_int == 200
+        assert r.body == dumps('four')
+        
+        # test put
+        r = app.put('/things/4', {'value':'FOUR'})
+        assert r.status_int == 200
+        assert r.body == dumps('UPDATED')
+        
+        # make sure it works
+        r = app.get('/things/4')
+        assert r.status_int == 200
+        assert r.body == dumps('FOUR')
+        
+        # test delete
+        r = app.delete('/things/4')
+        assert r.status_int == 200
+        assert r.body == dumps('DELETED')
+        
+        # make sure it works
+        r = app.get('/things')
+        assert r.status_int == 200
+        assert len(loads(r.body)) == 4