From 9f06ff96ccbda25c447b6a6f94082ea1e7784d96 Mon Sep 17 00:00:00 2001
From: Brett Cannon <brett@python.org>
Date: Sat, 16 Apr 2022 13:17:30 -0700
Subject: gh-91217: deprecate nis (GH-91606)

Automerge-Triggered-By: GH:brettcannon
---
 Doc/whatsnew/3.11.rst                                               | 1 +
 Lib/test/test_nis.py                                                | 5 ++++-
 .../next/Library/2022-04-16-09-33-14.gh-issue-91217.nt9JFs.rst      | 1 +
 Modules/nismodule.c                                                 | 6 ++++++
 4 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2022-04-16-09-33-14.gh-issue-91217.nt9JFs.rst

diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst
index cd452fc..bedf80a 100644
--- a/Doc/whatsnew/3.11.rst
+++ b/Doc/whatsnew/3.11.rst
@@ -882,6 +882,7 @@ Deprecated
   * :mod:`crypt`
   * :mod:`imghdr`
   * :mod:`msilib`
+  * :mod:`nis`
   * :mod:`nntplib`
 
   (Contributed by Brett Cannon in :issue:`47061`.)
diff --git a/Lib/test/test_nis.py b/Lib/test/test_nis.py
index a22142f..797c902 100644
--- a/Lib/test/test_nis.py
+++ b/Lib/test/test_nis.py
@@ -1,10 +1,13 @@
 from test import support
 from test.support import import_helper
 import unittest
+import warnings
 
 
 # Skip test if nis module does not exist.
-nis = import_helper.import_module('nis')
+with warnings.catch_warnings():
+    warnings.simplefilter("ignore", DeprecationWarning)
+    nis = import_helper.import_module('nis')
 
 
 class NisTests(unittest.TestCase):
diff --git a/Misc/NEWS.d/next/Library/2022-04-16-09-33-14.gh-issue-91217.nt9JFs.rst b/Misc/NEWS.d/next/Library/2022-04-16-09-33-14.gh-issue-91217.nt9JFs.rst
new file mode 100644
index 0000000..fc29034
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-04-16-09-33-14.gh-issue-91217.nt9JFs.rst
@@ -0,0 +1 @@
+Deprecate the nis module.
diff --git a/Modules/nismodule.c b/Modules/nismodule.c
index cdda1a6..948f756 100644
--- a/Modules/nismodule.c
+++ b/Modules/nismodule.c
@@ -524,5 +524,11 @@ static struct PyModuleDef nismodule = {
 PyMODINIT_FUNC
 PyInit_nis(void)
 {
+    if (PyErr_WarnEx(PyExc_DeprecationWarning,
+                     "'nis' is deprecated and slated for removal in "
+                     "Python 3.13",
+                     7)) {
+        return NULL;
+    }
     return PyModuleDef_Init(&nismodule);
 }
-- 
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