Create a file for decorators

Author: Pierre-Sassoulas

pylint/testutils/__init__.py

@@ -43,9 +43,10 @@
 ]
 
 from pylint.testutils.constants import UPDATE_OPTION
+from pylint.testutils.decorator import set_config
 from pylint.testutils.functional_test_file import FunctionalTestFile
 from pylint.testutils.get_test_info import _get_tests_info
 from pylint.testutils.lint_module_test import LintModuleTest
 from pylint.testutils.output_line import Message
 from pylint.testutils.reporter_for_tests import GenericTestReporter, MinimalTestReporter
-from pylint.testutils.utils import CheckerTestCase, _tokenize_str, linter, set_config
+from pylint.testutils.utils import CheckerTestCase, _tokenize_str, linter

pylint/testutils/decorator.py

@@ -0,0 +1,24 @@
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
+
+import functools
+
+from pylint.testutils.utils import CheckerTestCase
+
+
+def set_config(**kwargs):
+    """Decorator for setting config values on a checker."""
+
+    def _wrapper(fun):
+        @functools.wraps(fun)
+        def _forward(self):
+            for key, value in kwargs.items():
+                setattr(self.checker.config, key, value)
+            if isinstance(self, CheckerTestCase):
+                # reopen checker in case, it may be interested in configuration change
+                self.checker.open()
+            fun(self)
+
+        return _forward
+
+    return _wrapper

pylint/testutils/utils.py

@@ -3,7 +3,6 @@
 
 """functional/non regression tests for pylint"""
 import contextlib
-import functools
 import tokenize
 from io import StringIO
 
@@ -47,24 +46,6 @@ def options_providers(self):
         return linter.options_providers
 
 
-def set_config(**kwargs):
-    """Decorator for setting config values on a checker."""
-
-    def _wrapper(fun):
-        @functools.wraps(fun)
-        def _forward(self):
-            for key, value in kwargs.items():
-                setattr(self.checker.config, key, value)
-            if isinstance(self, CheckerTestCase):
-                # reopen checker in case, it may be interested in configuration change
-                self.checker.open()
-            fun(self)
-
-        return _forward
-
-    return _wrapper
-
-
 class CheckerTestCase:
     """A base testcase class for unit testing individual checker classes."""