Changeset 3 for supermodel/trunk/supermodel/fields.py

Timestamp:

01/17/07 17:05:18 (6 years ago)

Author:

ged

Message:

implemented the has_field statement + added a unittest to demonstrate it

Files:

• supermodel/trunk/supermodel/fields.py (modified) (2 diffs)

supermodel/trunk/supermodel/fields.py

@@ -24 +24 @@
 
 
+class HasField(object):
+    """
+        Specifies one field of an entity
+    """
+
+    def __init__(self, entity, name, *args, **kwargs):
+        field = Field(*args, **kwargs)
+        field.colname = name
+        entity._descriptor.add_field(field)
+
+has_field = Statement(HasField)
+
+
 class WithFields(object):
     
     """
-        Specifies all fields of an entity
+        Specifies all fields of an entity at once
     """
     
@@ -39 +52 @@
             desc.add_field(field)
 
+with_fields = Statement(WithFields)
 
-with_fields = Statement(WithFields)