WIP - more suppressing of warnings

Author: rani-pinchuk

Lib/test/test_concurrent_futures/util.py

@@ -11,6 +11,7 @@
 
 from test import support
 from test.support import threading_helper
+import warnings
 
 
 def create_future(state=PENDING, exception=None, result=None):
@@ -51,7 +52,15 @@ def setUp(self):
                 max_workers=self.worker_count,
                 mp_context=self.get_context(),
                 **self.executor_kwargs)
-            self.manager = self.get_context().Manager()
+            # gh-135427
+            # In some of the tests, a forked child forks another child of itself. In that case, using
+            # warnings_helper.ignore_warnings decorator does not actually ignore the warning from that
+            # child of child, and a warnings_helper.ignore_warnings exception is raised.
+            with warnings.catch_warnings():
+                warnings.filterwarnings('ignore',
+                                        message=".*fork.*may lead to deadlocks in the child.*",
+                                        category=DeprecationWarning)
+                self.manager = self.get_context().Manager()
         else:
             self.executor = self.executor_type(
                 max_workers=self.worker_count,

Lib/test/test_logging.py

@@ -730,6 +730,7 @@ def remove_loop(fname, tries):
     # based on os.fork existing because that is what users and this test use.
     # This helps ensure that when fork exists (the important concept) that the
     # register_at_fork mechanism is also present and used.
+    @warnings_helper.ignore_warnings(category=DeprecationWarning)  # gh-135427
     @support.requires_fork()
     @threading_helper.requires_working_threading()
     @skip_if_asan_fork
@@ -4067,6 +4068,7 @@ def test_config_reject_simple_queue_handler_multiprocessing_context(self):
                 with self.assertRaises(ValueError):
                     self._apply_simple_queue_listener_configuration(qspec)
 
+    @warnings_helper.ignore_warnings(category=DeprecationWarning)  # gh-135427
     @skip_if_tsan_fork
     @support.requires_subprocess()
     @unittest.skipUnless(support.Py_DEBUG, "requires a debug build for testing"