Adding inner class for value passing.

autofixture/base.py

@@ -71,6 +71,9 @@ class AutoFixture(object):
     class IGNORE_FIELD(object):
         pass
 
+    class Values(object):
+        pass
+
     overwrite_defaults = False
     follow_fk = True
     generate_fk = False
@@ -146,7 +149,10 @@ def __init__(self, model,
             will be ignored if this parameter is set.
         '''
         self.model = model
-        self.field_values = self.__class__.field_values.copy()
+        self.field_values = dict((
+            (k,v) for k,v in self.Values.__dict__.items()
+            if k[:2] != '__' and k[-2:] != '__' and not k.startswith('_Values__')))
+        self.field_values.update(self.__class__.field_values.copy())
         self.field_values.update(field_values or {})
         self.constraints = constraints or []
         if none_chance is not None:

autofixture_tests/autofixture_test/tests.py

@@ -18,6 +18,12 @@ class SimpleAutoFixture(AutoFixture):
     }
 
 
+class BasicValueFixture(AutoFixture):
+    class Values:
+        chars = 'foo'
+        shortchars = lambda: 'a'
+
+
 class TestBasicModel(TestCase):
     def assertEqualOr(self, first, second, fallback):
         if first != second and not fallback:
@@ -368,6 +374,21 @@ def test_overwrite_attributes(self):
         self.assertEqual(obj.name, 'bar')
 
 
+class TestAutofixtureAPI(TestCase):
+    def setUp(self):
+        self.original_registry = autofixture.REGISTRY
+        autofixture.REGISTRY = {}
+
+    def tearDown(self):
+        autofixture.REGISTRY = self.original_registry
+
+    def test_values_class(self):
+        autofixture.register(BasicModel, BasicValueFixture)
+        for obj in autofixture.create(BasicModel, 10):
+            self.assertEqual(obj.chars, 'foo')
+            self.assertEqual(obj.shortchars, 'a')
+
+
 class TestManagementCommand(TestCase):
     def setUp(self):
         from autofixture.management.commands.loadtestdata import Command