From 4c893c92f551c9dd2a7cfbe7ae8171ad8139df0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Beraud?= <hberaud@redhat.com>
Date: Mon, 10 May 2021 14:18:43 +0200
Subject: [PATCH] Deprecate the fnmatch module.

Oslo.utils's fnmatch module was added to fix the py2.7 fnmatch module
who was not thread safe [1]. Python 2.7 is no longer supported so now we
can use the stdlib's fnmatch module and deprecate the one of oslo.utils.

[1] https://bugs.python.org/issue23191$
[2] https://opendev.org/openstack/oslo.utils/commit/e46a46ba90741987f1147afc56876e3d0d27e8a2

Change-Id: I538379f91d2ba415c566ada8d221b62b47ba80bb
---
 oslo_utils/fnmatch.py                                    | 9 +++++++++
 .../notes/deprecate-fnmatch-057a092d434a0c53.yaml        | 5 +++++
 2 files changed, 14 insertions(+)
 create mode 100644 releasenotes/notes/deprecate-fnmatch-057a092d434a0c53.yaml

diff --git a/oslo_utils/fnmatch.py b/oslo_utils/fnmatch.py
index 71439ab9..c52cf055 100644
--- a/oslo_utils/fnmatch.py
+++ b/oslo_utils/fnmatch.py
@@ -24,6 +24,15 @@ import os
 import posixpath
 import re
 import sys
+import warnings
+
+import debtcollector
+
+warnings.simplefilter("always")
+debtcollector.deprecate(
+    "Using the oslo.utils's 'fnmatch' module is deprecate, "
+    "please use the stdlib `fnmatch` module."
+)
 
 
 if sys.version_info > (2, 7, 9):
diff --git a/releasenotes/notes/deprecate-fnmatch-057a092d434a0c53.yaml b/releasenotes/notes/deprecate-fnmatch-057a092d434a0c53.yaml
new file mode 100644
index 00000000..e187d5f3
--- /dev/null
+++ b/releasenotes/notes/deprecate-fnmatch-057a092d434a0c53.yaml
@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    Oslo.utils's ``fnmatch`` module is deprecated, please use the stdlib
+    ``fnmatch`` module which is thread safe for python 3+.