bpo-26131: Deprecate usage of load_module() (GH-23469)

Raise an ImportWarning when the import system falls back on load_module(). As for implementations of load_module(), raise a DeprecationWarning.

1 files changed, 5 insertions, 1 deletions

diff --git a/Lib/zipimport.py b/Lib/zipimport.py
index 2e5188a..02e4fd3 100644
--- a/Lib/zipimport.py
+++ b/Lib/zipimport.py
@@ -22,6 +22,7 @@ import _io  # for open
 import marshal  # for loads
 import sys  # for modules
 import time  # for mktime
+import _warnings  # For warn()
 
 __all__ = ['ZipImportError', 'zipimporter']
 
@@ -268,8 +269,11 @@ class zipimporter(_bootstrap_external._LoaderBasics):
         fully qualified (dotted) module name. It returns the imported
         module, or raises ZipImportError if it wasn't found.
 
-        Deprecated since Python 3.10. use exec_module() instead.
+        Deprecated since Python 3.10. Use exec_module() instead.
         """
+        msg = ("zipimport.zipimporter.load_module() is deprecated and slated for "
+               "removal in Python 3.12; use exec_module() instead")
+        _warnings.warn(msg, DeprecationWarning)
         code, ispackage, modpath = _get_module_code(self, fullname)
         mod = sys.modules.get(fullname)
         if mod is None or not isinstance(mod, _module_type):