work in progress: relationships

scopes/storage/concept.py

@@ -7,6 +7,8 @@ from scopes.interfaces import IContainer
 from scopes.storage.common import registerContainerClass, registry
 from scopes.storage.tracking import Container, Track
 
+defaultPredicate = 'standard'
+
 
 class Concept(Track):
 
@@ -21,6 +23,10 @@ class Concept(Track):
     def values(self):
        return (t.getSecond() for t in  self.children(Rels.defaultPredicate))
 
+    def addChild(self, child, predicate = defaultPredicate):
+        rels = self.container.storage.getContainer(Triple)
+        rels.save(Triple(self.uid, child.uid, predicate))
+
 
 class Concepts(Container):
 
@@ -52,8 +58,6 @@ class Predicates(Concepts):
     tableName = 'preds'
 
 
-defaultPredicate = 'standard'
-
 def storePredicate(storage, name):
     preds = storage.getContainer(Predicate)
     preds.save(Predicate(name))

scopes/storage/tracking.py

@@ -20,8 +20,12 @@ class Track(object):
     headFields = ['taskId', 'userName']
     prefix = 'rec'
 
-    def __init__(self, *keys, data=None, timeStamp=None, trackId=None, container=None):
+    def __init__(self, *keys, data=None, timeStamp=None, trackId=None, 
+                 container=None, **kw):
         self.head = {}
+        for k, v in kw.items():
+            if k in self.headFields:
+                self.head[k] = kw.pop(k)
         for ix, k in enumerate(keys):
             self.head[self.headFields[ix]] = k
         for k in self.headFields:

tests/tlib_storage.py

@@ -108,6 +108,11 @@ def test_topic(self, config):
     tp_itc = topic.Topic('itc', data=dict(
         title='ITC', description='Information and Communication Technology'))
     topics.save(tp_itc)
+    tp_proglang = topic.Topic('prog_lang', data=dict(
+        title='Programming Languages', 
+        description='Programming Languages'))
+    topics.save(tp_proglang)
+    tp_itc.addChild(tp_proglang)
 
     storage.commit()