provide __repr__() and asDict() for tracks, and other improvements

scopes/interfaces.py

@@ -11,11 +11,8 @@ class ITraversable(Interface):
 
 class IContainer(ITraversable):
 
-    def items():
-        """Return a sequence of key, value pairs of child objects."""
-
-    def keys():
-        """Return a sequence of keys of child objects."""
+    def values():
+        """Return a sequence of child objects."""
 
     def __getitem__(key):
         """Return the item addressed by `key`; rais KeyError if not found."""

scopes/server/browser.py

@@ -39,6 +39,6 @@ class DefaultView:
         ob = self.context
         result = dict(head=ob.head, data=ob.data)
         if IContainer.providedBy(ob):
-            result['items'] = list(ob.keys())
+            result['items'] = [v.asDict() for v in ob.values()]
         return json.dumps(result)
 

scopes/storage/folder.py

@@ -14,11 +14,14 @@ class Folder(Track):
     headFields = ['parent', 'name', 'ref']
     prefix = 'fldr'
 
+    def values(self):
+        return self.container.query(parent=self.rid)
+
     def items(self):
-        return ((f.name, f) for f in self.container.query(parent=self.rid))
+        return ((v.name, v) for v in self.values())
 
     def keys(self):
-        return (k for k, v in self.items())
+        return (v.name for v in self.values())
 
     def get(self, key, default=None):
         value = self.container.queryLast(parent=self.rid, name=key)
@@ -38,7 +41,8 @@ class Folder(Track):
         self.container.save(value)
 
     def __str__(self):
-        return 'folder: %s; keys: %s' % (self.name, list(self.keys()))
+        return '%s: %s; keys: %s' % (self.__class__.__name__,
+                self.name, list(self.keys()))
 
 
 class Root(Folder):

scopes/storage/tracking.py

@@ -62,6 +62,13 @@ class Track(object):
             return ''
         return str(self.trackId)
 
+    def __repr__(self):
+        return '%s: %s' % (self.__class__.__name__, self.asDict())
+
+    def asDict(self):
+        return dict(uid=self.uid, head=self.head, data=self.data, 
+                    timeStamp = str(self.timeStamp)[:19])
+
 
 @registerContainerClass
 class Container(object):

tests/tlib_server.py

@@ -22,5 +22,5 @@ def test_app(self, config):
     storage = config.storageFactory(config.dbschema)
     response = publishRequest(config, storage, '/top')
     result = json.loads(response.consumeBody())
-    self.assertEqual(result['items'], ['child1'])
+    self.assertEqual(result['items'][0]['head']['name'], 'child1')