From 855bb179b0b9c213f6c1bc96f193893245fa0d16 Mon Sep 17 00:00:00 2001
From: Benjamin Dauvergne <bdauvergne@entrouvert.com>
Date: Thu, 1 Dec 2022 08:56:26 +0100
Subject: [PATCH] misc: use PIL.Image.Resampling.LANCZOS instead of
 PIL.Image.LANCZOS (#71899)

PIL.Image.LANCZOS is deprecated.
---
 src/authentic2/forms/fields.py | 7 ++++++-
 tox.ini                        | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/authentic2/forms/fields.py b/src/authentic2/forms/fields.py
index 14bf8f332..762e0a182 100644
--- a/src/authentic2/forms/fields.py
+++ b/src/authentic2/forms/fields.py
@@ -147,7 +147,12 @@ class ProfileImageField(FileField):
                 box[3] += box[1]
 
             image = image.crop(box)
-        return image.resize([width, height], PIL.Image.LANCZOS)
+        try:
+            resampling_algorithm = PIL.Image.Resampling.LANCZOS
+        except AttributeError:
+            # can be removed when Pillow < 9.1.0 is not supported anymore
+            resampling_algorithm = PIL.Image.LANCZOS
+        return image.resize([width, height], resampling_algorithm)
 
 
 class ValidatedEmailField(EmailField):
diff --git a/tox.ini b/tox.ini
index ebd3d25e9..4af84c24a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -179,6 +179,7 @@ filterwarnings =
   error:.*please use dns.resolver.resolve:DeprecationWarning:
   error:.*Passing None for the middleware get_response argument is deprecated.*::
   error:.*ANTIALIAS is deprecated and will be removed in Pillow 10::
+  error:.*LANCZOS.*Pillow 10::
 junit_family=xunit2
 
 [coverage:run]