An implementation (not tested) of the PVVMember class.

lib/mdb/db.py

@@ -26,15 +26,17 @@ class PVVMember(dict):
         # Populate the object with the fields and values provided in the
         # `data' object.  `dbref' is a pointer to the PVVDB instance that
         # created the PVVMember instance.
-        pass
+        dict.__init__(self, data)
+        self.dbref = dbref
 
     def save(self):
         # Synchronise the object to disk via the database interface.
-        pass
+        self.dbref.save(self)
 
     def load(self):
         # Update the object with the data on disk.
-        pass
+        o = self.dbref.load(data)
+        self.update(o)
 
     def is_saved(self):
         # Checks whether the objects need to be saved or loaded.
@@ -118,7 +120,7 @@ class PVVDB:
                 # we should not be here
                 raise PVVDBError, "%s not legal datatype." % `self.format[key]`
             member[key] = value
-        return PVVMember(member, username)
+        return PVVMember(member, self)
 
     def save(self, username, comment="", lock=False):
         # Write the record to the database.  Will automatically unlock