[3.13] gh-132921: Fix setuptools._distutils.dep_util deprecation (#133522)

gh-132921: Fix setuptools._distutils.dep_util deprecation

Get newer_group from setuptools.modified on recent setuptools
versions, but keep support for old setuptools versions.

diff --git a/Tools/peg_generator/pegen/build.py b/Tools/peg_generator/pegen/build.py
index 67a7c0c4788e9d00f167269155a9b22f44595232..1c609ff31415341cd9a64848dae884d5b0707cd6 100644 (file)
--- a/Tools/peg_generator/pegen/build.py
+++ b/Tools/peg_generator/pegen/build.py
@@ -95,7 +95,10 @@ def compile_c_extension(
     import setuptools.logging
 
     from setuptools import Extension, Distribution
-    from setuptools._distutils.dep_util import newer_group
+    try:
+        from setuptools.modified import newer_group
+    except ImportError:
+        from setuptools._distutils.dep_util import newer_group
     from setuptools._distutils.ccompiler import new_compiler
     from setuptools._distutils.sysconfig import customize_compiler