Don't require _testcapi and _testinternalcapi for test_monitoring.py

Lib/test/test_monitoring.py

@@ -14,9 +14,6 @@
 import test.support
 from test.support import import_helper, requires_specialization, script_helper
 
-_testcapi = import_helper.import_module("_testcapi")
-_testinternalcapi = import_helper.import_module("_testinternalcapi")
-
 PAIR = (0,1)
 
 def f1():
@@ -867,6 +864,8 @@ def test_implicit_stop_iteration(self):
            This test checks that both paths record an equivalent event.
            """
 
+        _testinternalcapi = import_helper.import_module("_testinternalcapi")
+
         def gen():
             yield 1
             return 2
@@ -1034,6 +1033,8 @@ def func():
 
     @requires_specialization
     def test_no_unwind_for_shim_frame(self):
+        _testinternalcapi = import_helper.import_module("_testinternalcapi")
+
         class ValueErrorRaiser:
             def __init__(self):
                 raise ValueError()
@@ -2455,6 +2456,7 @@ def run():
             sys.monitoring.set_events(TEST_TOOL, 0)
 
     def test_108390(self):
+        _testinternalcapi = import_helper.import_module("_testinternalcapi")
 
         class Foo:
             def __init__(self, set_event):
@@ -2546,6 +2548,8 @@ def test_func(x):
 class TestTier2Optimizer(CheckEvents):
 
     def test_monitoring_already_opimized_loop(self):
+        _testinternalcapi = import_helper.import_module("_testinternalcapi")
+
         def test_func(recorder):
             set_events = sys.monitoring.set_events
             line = E.LINE
@@ -2582,18 +2586,20 @@ class TestCApiEventGeneration(MonitoringTestBase, unittest.TestCase):
 
     class Scope:
         def __init__(self, *args):
+            self._testcapi = import_helper.import_module("_testcapi")
             self.args = args
 
         def __enter__(self):
-            _testcapi.monitoring_enter_scope(*self.args)
+            self._testcapi.monitoring_enter_scope(*self.args)
 
         def __exit__(self, *args):
-            _testcapi.monitoring_exit_scope()
+            self._testcapi.monitoring_exit_scope()
 
     def setUp(self):
         super(TestCApiEventGeneration, self).setUp()
 
-        capi = _testcapi
+        self._testcapi = import_helper.import_module("_testcapi")
+        capi = self._testcapi
 
         self.codelike = capi.CodeLike(2)
 
@@ -2662,7 +2668,7 @@ def __call__(self, *args):
     def test_fire_event(self):
         for expected, event, function, *args in self.cases:
             offset = 0
-            self.codelike = _testcapi.CodeLike(1)
+            self.codelike = self._testcapi.CodeLike(1)
             with self.subTest(function.__name__):
                 args_ = (self.codelike, offset) + tuple(args)
                 self.check_event_count(event, function, args_, expected)
@@ -2673,7 +2679,7 @@ def test_missing_exception(self):
                 continue
             assert args and isinstance(args[-1], BaseException)
             offset = 0
-            self.codelike = _testcapi.CodeLike(1)
+            self.codelike = self._testcapi.CodeLike(1)
             with self.subTest(function.__name__):
                 args_ = (self.codelike, offset) + tuple(args[:-1]) + (None,)
                 evt = int(math.log2(event))
@@ -2683,7 +2689,7 @@ def test_missing_exception(self):
     def test_fire_event_failing_callback(self):
         for expected, event, function, *args in self.cases:
             offset = 0
-            self.codelike = _testcapi.CodeLike(1)
+            self.codelike = self._testcapi.CodeLike(1)
             with self.subTest(function.__name__):
                 args_ = (self.codelike, offset) + tuple(args)
                 exc = OSError(42)
@@ -2733,12 +2739,14 @@ def check_disable(self, event, func, args, expected):
     def test_disable_event(self):
         for expected, event, function, *args in self.cases:
             offset = 0
-            self.codelike = _testcapi.CodeLike(2)
+            self.codelike = self._testcapi.CodeLike(2)
             with self.subTest(function.__name__):
                 args_ = (self.codelike, 0) + tuple(args)
                 self.check_disable(event, function, args_, expected)
 
     def test_enter_scope_two_events(self):
+        _testcapi = self._testcapi
+
         try:
             yield_counter = CounterWithDisable()
             unwind_counter = CounterWithDisable()