gh-156363: Speed up import of rlcompleter by deferring inspect and re

Lib/rlcompleter.py

@@ -31,12 +31,12 @@
 
 import atexit
 import builtins
-import inspect
 import keyword
-import re
 import __main__
 import warnings
 import types
+lazy import inspect
+lazy import re
 
 __all__ = ["Completer"]
 

Lib/test/test_rlcompleter.py

@@ -4,6 +4,7 @@
 import types
 import rlcompleter
 from test.support import MISSING_C_DOCSTRINGS
+from test.support.import_helper import ensure_lazy_imports
 
 class CompleteMe:
     """ Trivial class used in testing rlcompleter.Completer. """
@@ -252,5 +253,9 @@ def test_duplicate_globals(self):
         self.assertEqual(completer.complete('Ellipsis', 0), 'Ellipsis()')
         self.assertIsNone(completer.complete('Ellipsis', 1))
 
+    def test_lazy_imports(self):
+        ensure_lazy_imports("rlcompleter", {"inspect", "re"})
+
+
 if __name__ == '__main__':
     unittest.main()

Misc/NEWS.d/next/Library/2026-08-25-12-43-10.gh-issue-156363.RlzImp.rst

@@ -0,0 +1 @@
+Speed up the :mod:`rlcompleter` module's import time.