folder: use rid for parent; more on concept / organize

scopes/organize/task.py

@@ -0,0 +1,13 @@
+# scopes.organize.task
+
+"""Task (and corresponding container) implementation."""
+
+from scopes.storage.common import registerContainerClass
+from scopes.storage.concept import Concept
+
+
+class Task(Concept):
+
+    headFields = ['name']
+    prefix = 'tsk' 
+

scopes/storage/concept.py

@@ -8,5 +8,5 @@ from scopes.storage.tracking import Container, Track
 
 class Concept(Track):
 
-    headFields = ['parent', 'name']
+    headFields = ['name']
  

scopes/storage/folder.py

@@ -10,23 +10,23 @@ class Folder(Track):
     prefix = 'fldr'
 
     def keys(self):
-        for f in self.container.query(parent=self.name):
+        for f in self.container.query(parent=self.rid):
             yield f.name
 
     def get(self, key, default=None):
-        value = self.container.queryLast(parent=self.name, name=key)
+        value = self.container.queryLast(parent=self.rid, name=key)
         if value is None:
             return default
         return value
 
     def __getitem__(self, key):
-        value = self.container.queryLast(parent=self.name, name=key)
+        value = self.container.queryLast(parent=self.rid, name=key)
         if value is None:
             raise KeyError(key)
         return value
 
     def __setitem__(self, key, value):
-        value.set('parent', self.name)
+        value.set('parent', self.rid)
         value.set('name', key)
         self.container.save(value)
 

scopes/storage/relation.py

@@ -1,3 +1,13 @@
 # scopes.storage.relation
 
 """An SQL-based relationship engine using RDF-like triples."""
+
+from scopes.storage.common import registerContainerClass
+from scopes.storage.tracking import Container, Track
+
+
+class Triple(Track):
+
+    headFields = ['first', 'second', 'pred']
+    prefix = 'rel'
+ 

scopes/storage/tracking.py

@@ -59,6 +59,12 @@ class Track(object):
             return None
         return '%s-%d' % (self.prefix, self.trackId)
 
+    @property
+    def rid(self):
+        if self.trackId is None:
+            return ''
+        return str(self.trackId)
+
 
 @registerContainerClass
 class Container(object):

tests/test_storage.py

@@ -80,7 +80,7 @@ class Test(unittest.TestCase):
         top['child1'] = folder.Folder(data=dict(title='First Child'))
         self.assertEqual(list(top.keys()), ['child1'])
         ch1 = top['child1']
-        self.assertEqual(ch1.parent, top.name)
+        self.assertEqual(ch1.parent, top.rid)
         assert list(top.keys()) == ['child1']
 
 def suite():