diff --git a/Lib/unittest/__init__.py b/Lib/unittest/__init__.py
index 5ff1bf3..4d63954 100644
--- a/Lib/unittest/__init__.py
+++ b/Lib/unittest/__init__.py
@@ -58,7 +58,7 @@ __unittest = True
 
 from .result import TestResult
 from .case import (addModuleCleanup, TestCase, FunctionTestCase, SkipTest, skip,
-                   skipIf, skipUnless, expectedFailure)
+                   skipIf, skipUnless, expectedFailure, _skipInRpmBuild)
 from .suite import BaseTestSuite, TestSuite
 from .loader import (TestLoader, defaultTestLoader, makeSuite, getTestCaseNames,
                      findTestCases)
diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index a157ae8..64f912c 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -3,6 +3,7 @@
 import sys
 import functools
 import difflib
+import os
 import logging
 import pprint
 import re
@@ -158,6 +159,22 @@ class _BaseTestCaseContext:
         msg = self.test_case._formatMessage(self.msg, standardMsg)
         raise self.test_case.failureException(msg)
 
+# Non-standard/downstream-only hooks for handling issues with specific test
+# cases:
+
+def _skipInRpmBuild(reason):
+    """
+    Non-standard/downstream-only decorator for marking a specific unit test
+    to be skipped when run within the %check of an rpmbuild.
+
+    Specifically, this takes effect when WITHIN_PYTHON_RPM_BUILD is set within
+    the environment, and has no effect otherwise.
+    """
+    if 'WITHIN_PYTHON_RPM_BUILD' in os.environ:
+        return skip(reason)
+    else:
+        return _id
+
 class _AssertRaisesBaseContext(_BaseTestCaseContext):
 
     def __init__(self, expected, test_case, expected_regex=None):