guix/gnu/packages/patches/python-piexif-fix-tests-with-pillow-7.2.patch

From 5209b53e9689ce28dcd045f384633378d619718f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Wi=C5=9Bniewski?= <vuko@vuko.pl>
Date: Thu, 5 Nov 2020 16:18:52 +0100
Subject: [PATCH] convert IFDRational to tuples in tests

This fixes tests with Pillow version >= 7.2.0
---
 tests/s_test.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/s_test.py b/tests/s_test.py
index 5d105de..a7cad54 100644
--- a/tests/s_test.py
+++ b/tests/s_test.py
***************
*** 9,14 ****
--- 9,15 ----
  import time
  import unittest
  
+ import PIL
  from PIL import Image
  import piexif
  from piexif import _common, ImageIFD, ExifIFD, GPSIFD, TAGS, InvalidImageDataError
***************
*** 580,585 ****
--- 581,597 ----
  # test utility methods----------------------------------------------
  
      def _compare_value(self, v1, v2):
+         if isinstance(v2, PIL.TiffImagePlugin.IFDRational):
+             v2 = (v2.numerator, v2.denominator)
+         if isinstance(v2, tuple):
+             converted_v2 = []
+             for el in v2:
+                 if isinstance(el, PIL.TiffImagePlugin.IFDRational):
+                     converted_v2.append((el.numerator, el.denominator))
+                 else:
+                     converted_v2.append(el)
+             v2 = tuple(converted_v2)
+ 
          if type(v1) != type(v2):
              if isinstance(v1, tuple):
                  self.assertEqual(pack_byte(*v1), v2)