work in progress: REST/JSON traversal and views

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3525 fd906abe-77d9-0310-91a1-e0d9ade77398

roa/README.txt

@@ -20,4 +20,4 @@ Providing object data in JSON format
   >>> obj = Demo('test')
   >>> jsv = JSONView(obj, TestRequest())
   >>> jsv()
-  '{"name": "test"}'
+  '["name"]'

roa/json.py

@@ -32,9 +32,9 @@ class JSONView(object):
         self.request = request
 
     def __call__(self):
-        return json.dumps(self.context.__dict__)
+        return json.dumps(self.context.__dict__.keys())
 
     def traverse(self, name):
         # To be implemented by subclass
         print '*** traversing', self.context, name
-        return None
+        return self.context

roa/traversal.py

@@ -15,6 +15,7 @@
 #  along with this program; if not, write to the Free Software
 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
+
 """
 IPublishTraverse adapter that checks the 'Accept' header.
 
@@ -49,4 +50,9 @@ class CheckJSONTraverser(ItemTraverser):
         return view.traverse(name)
 
     def defaultTraverse(self, request, name):
-        return super(CheckAcceptTraverser, self).publishTraverse(request, name)
+        return super(CheckJSONTraverser, self).publishTraverse(request, name)
+
+    def browserDefault(self, request):
+        if self.isJSONRequest(request):
+            return self.context, ('@@json',)
+        return super(CheckJSONTraverser, self).browserDefault(request)

roa/z2/traversal.py

@@ -28,5 +28,8 @@ from cybertools.roa.traversal import CheckJSONTraverser as BaseTraverser
 class CheckJSONTraverser(BaseTraverser, DefaultPublishTraverse):
 
     defaultTraverse = DefaultPublishTraverse.publishTraverse
-    browserDefault = DefaultPublishTraverse.browserDefault
 
+    def browserDefault(self, request):
+        if self.isJSONRequest(request):
+            return self.context, ('@@json',)
+        return DefaultPublishTraverse.browserDefault(self, request)