- Don't use rm -f in %prep, it hides failures.

- Switch to autosetup and pyproject macros.
- Correct path used for running the testsuite.
- Add patch support-python-312.patch:
  * Do not a monkey patch for assertRaisesRegexp, it is not required.

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-ZConfig?expand=0&rev=21

support-python-312.patch

@@ -0,0 +1,37 @@
+From f5af2333db607f612f21ab0d4efd35b5cc72199b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Petr=20Van=C4=9Bk?= <arkamar@atlas.cz>
+Date: Tue, 6 Jun 2023 08:52:08 +0200
+Subject: [PATCH] Fix tests for Python 3.12
+
+In the tests, remove the assertRaisesRegexp method, deprecated since
+Python 3.2, to prevent test failures following the method's removal in
+Python 3.12.
+---
+ src/ZConfig/tests/support.py | 7 -------
+ 1 file changed, 7 deletions(-)
+
+diff --git a/src/ZConfig/tests/support.py b/src/ZConfig/tests/support.py
+index 959f2b9..559c015 100644
+--- a/src/ZConfig/tests/support.py
++++ b/src/ZConfig/tests/support.py
+@@ -17,7 +17,6 @@
+ import contextlib
+ import os
+ import sys
+-import unittest
+ from io import StringIO
+ from urllib.request import pathname2url
+ 
+@@ -79,12 +78,6 @@ def f2(self):
+ class TestHelper:
+     """Utility methods which can be used with the schema support."""
+ 
+-    # Not derived from unittest.TestCase; some test runners seem to
+-    # think that means this class contains tests.
+-
+-    assertRaisesRegex = getattr(unittest.TestCase, 'assertRaisesRegex',
+-                                unittest.TestCase.assertRaisesRegexp)
+-
+     def load_both(self, schema_url, conf_url):
+         schema = self.load_schema(schema_url)
+         conf = self.load_config(schema, conf_url)