Improve SourceColumn workflow by allowing explicit functions as columns. Remove usage of encapsulate. Move instances of 'extra_columns' to SourceColumn.

2015-08-16 14:26:41 -04:00
parent 938328bc14
commit 60bc327756
36 changed files with 366 additions and 389 deletions
@@ -281,11 +281,13 @@ class SourceColumn(object):
            # unhashable type: list
            return ()

-    def __init__(self, source, label, attribute):
+    def __init__(self, source, label, attribute=None, func=None):
+        self.source = source
+        self.label = label
+        self.attribute = attribute
+        self.func = func
        self.__class__._registry.setdefault(source, [])
-        self.__class__._registry[source].append(
-            {'label': label, 'attribute': attribute}
-        )
+        self.__class__._registry[source].append(self)


 class CombinedSource(object):