magic-removal: Moved related field processing to module level functions.

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1751 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/fields/related.py

@@ -11,28 +11,29 @@ TABULAR, STACKED = 1, 2
 
 RECURSIVE_RELATIONSHIP_CONSTANT = 'self'
 
-#HACK
-class RelatedField(object):
 pending_lookups = {}
 
-    dispatcher.connect(
-        lambda sender: RelatedField.do_pending_lookups(sender),
-        signal = signals.class_prepared,
-        weak = False)
-
-    def add_lookup(cls, rel_cls, field):
+def add_lookup(rel_cls, field):
     name = field.rel.to
     module = rel_cls.__module__
     key = (module, name)
-        cls.pending_lookups.setdefault(key, []).append((rel_cls, field))
-    add_lookup = classmethod(add_lookup)
+    pending_lookups.setdefault(key, []).append((rel_cls, field))
 
-    def do_pending_lookups(cls, other_cls):
+
+def do_pending_lookups(sender):
+    other_cls = sender
     key = (other_cls.__module__, other_cls.__name__)
-        for rel_cls, field in cls.pending_lookups.setdefault(key,[]):
+    for rel_cls, field in pending_lookups.setdefault(key,[]):
         field.rel.to = other_cls
         field.do_related_class(other_cls, rel_cls)
-    do_pending_lookups = classmethod(do_pending_lookups)
+
+dispatcher.connect(
+    do_pending_lookups,
+    signal = signals.class_prepared
+)
+
+#HACK
+class RelatedField(object):
 
     def contribute_to_class(self, cls, name):
         sup = super(RelatedField, self)
@@ -42,7 +43,7 @@ class RelatedField(object):
         if isinstance(other, basestring):
             if other == RECURSIVE_RELATIONSHIP_CONSTANT:
                 self.rel.to = cls.__name__
-            self.add_lookup(cls, self)
+            add_lookup(cls, self)
         else:
             self.do_related_class(other, cls)