gh-138310: Adds sys.audit event for import_module

Lib/importlib/_bootstrap.py

@@ -1306,6 +1306,7 @@ def _sanity_check(name, package, level):
 _ERR_MSG_PREFIX = 'No module named '
 
 def _find_and_load_unlocked(name, import_):
+    sys.audit("import", name, None, sys.path, sys.meta_path, sys.path_hooks)
     path = None
     parent = name.rpartition('.')[0]
     parent_spec = None

Lib/test/audit-tests.py

@@ -672,6 +672,26 @@ def hook(event, args):
         assertEqual(event_script_path, tmp_file.name)
         assertEqual(remote_event_script_path, tmp_file.name)
 
+def test_import_module():
+    import importlib
+
+    with TestHook() as hook:
+        importlib.import_module("importlib")  # already imported, won't get logged
+        importlib.import_module("email") # standard library module
+        importlib.import_module("pythoninfo")  # random module
+        importlib.import_module(".test_importlib.abc", "test")  # relative import
+
+    actual = [a[0] for e, a in hook.seen if e == "import"]
+    assertSequenceEqual(
+        [
+            "email",
+            "pythoninfo",
+            "test.test_importlib.abc",
+            "test.test_importlib"
+        ],
+        actual,
+    )
+
 if __name__ == "__main__":
     from test.support import suppress_msvcrt_asserts
 

Lib/test/test_audit.py

@@ -331,5 +331,8 @@ def test_sys_remote_exec(self):
         if returncode:
             self.fail(stderr)
 
+    def test_import_module(self):
+        self.do_test("test_import_module")
+
 if __name__ == "__main__":
     unittest.main()

Python/import.c

@@ -3694,15 +3694,6 @@ import_find_and_load(PyThreadState *tstate, PyObject *abs_name)
         Py_XDECREF(sys_path);
         return NULL;
     }
-    if (_PySys_Audit(tstate, "import", "OOOOO",
-                     abs_name, Py_None, sys_path ? sys_path : Py_None,
-                     sys_meta_path ? sys_meta_path : Py_None,
-                     sys_path_hooks ? sys_path_hooks : Py_None) < 0) {
-        Py_XDECREF(sys_path_hooks);
-        Py_XDECREF(sys_meta_path);
-        Py_XDECREF(sys_path);
-        return NULL;
-    }
     Py_XDECREF(sys_path_hooks);
     Py_XDECREF(sys_meta_path);
     Py_XDECREF(sys_path);