Revert "Add ValidatorMixin.validator_for"

A more drastic solution is in order.

This reverts commit dfcd6e8.

Author: Julian

jsonschema.py

@@ -267,10 +267,6 @@ def check_schema(cls, schema):
         for error in cls(cls.META_SCHEMA).iter_errors(schema):
             raise SchemaError.create_from(error)
 
-    def validator_for(self, validator):
-        validator_attr = "validate_%s" % (validator.lstrip("$"),)
-        return getattr(self, validator_attr, None)
-
     def iter_errors(self, instance, _schema=None):
         if _schema is None:
             _schema = self.schema
@@ -283,7 +279,9 @@ def iter_errors(self, instance, _schema=None):
                 validators = iteritems(_schema)
 
             for k, v in validators:
-                validator = self.validator_for(k)
+                validator_attr = "validate_%s" % (k.lstrip("$"),)
+                validator = getattr(self, validator_attr, None)
+
                 if validator is None:
                     continue
 

tests.py

@@ -834,24 +834,6 @@ class Validator(ValidatorMixin):
         self.assertTrue(Validator.validate_ref.called)
         self.assertFalse(Validator.validate_type.called)
 
-    def test_validator_for(self):
-        class Validator(ValidatorMixin):
-            validate_type = mock.Mock()
-        validator = Validator({})
-        self.assertEqual(
-            validator.validator_for("type"), validator.validate_type,
-        )
-
-    def test_redefined_validator_for(self):
-        v = mock.Mock(return_value=[])
-
-        class Validator(ValidatorMixin):
-            def validator_for(self, validator):
-                return v
-
-        Validator({"foo" : 12}).validate(42)
-        v.assert_called_once_with(12, 42, {"foo" : 12})
-
 
 class TestRefResolver(unittest.TestCase):