Re-implement newer and newer_group to avoid deprecated distutils.util

com/win32com/test/pippo_server.py

@@ -6,10 +6,11 @@
 import sys
 
 import pythoncom
-import win32com
 import winerror
 from win32com.server.util import wrap
 
+from .util import newer
+
 
 class CPippo:
     #
@@ -41,8 +42,6 @@ def Method3(self, in1):
 
 
 def BuildTypelib():
-    from distutils.dep_util import newer
-
     this_dir = os.path.dirname(__file__)
     idl = os.path.abspath(os.path.join(this_dir, "pippo.idl"))
     tlb = os.path.splitext(idl)[0] + ".tlb"

com/win32com/test/util.py

@@ -1,4 +1,3 @@
-import gc
 import logging
 import os
 import sys
@@ -13,7 +12,20 @@
 import win32com
 import winerror
 from pythoncom import _GetGatewayCount, _GetInterfaceCount
-from pywin32_testutil import LeakTestCase, TestLoader, TestResult, TestRunner
+from pywin32_testutil import (
+    LeakTestCase,
+    TestLoader as TestLoader,
+    TestRunner as TestRunner,
+)
+
+
+def newer(source, target):
+    """Re-implemented from deprecated `distutils.dep_util.newer`"""
+    if not os.path.exists(target):
+        return True
+    mtime1 = os.path.getmtime(source)
+    mtime2 = os.path.getmtime(target)
+    return mtime1 > mtime2
 
 
 def CheckClean():

setup.py

@@ -31,30 +31,54 @@
 import subprocess
 import sys
 import winreg
+from pathlib import Path
+from tempfile import gettempdir
+from typing import Iterable, List, Tuple, Union
 
 # setuptools must be imported before distutils for markh in some python versions.
 # CI doesn't hit this, so not sure what's going on.
 from setuptools import setup
 from setuptools.command.build_ext import build_ext
 
+import distutils.util
 from distutils import log
 from distutils.command.build import build
 from distutils.command.install import install
 from distutils.command.install_data import install_data
 from distutils.command.install_lib import install_lib
 from distutils.core import Extension
-from pathlib import Path
-from tempfile import gettempdir
-from typing import Iterable, List, Tuple, Union
-
 
 # some modules need a static CRT to avoid problems caused by them having a
 # manifest.
 static_crt_modules = ["winxpgui"]
 
 
-import distutils.util
-from distutils.dep_util import newer_group
+def newer_group(sources, target, missing="error"):
+    """Re-implemented from deprecated `distutils.dep_util.newer_group`"""
+    # If the target doesn't even exist, then it's definitely out-of-date.
+    if not os.path.exists(target):
+        return True
+
+    # Otherwise we have to find out the hard way: if *any* source file
+    # is more recent than 'target', then 'target' is out-of-date and
+    # we can immediately return true.  If we fall through to the end
+    # of the loop, then 'target' is up-to-date and we return false.
+    target_mtime = os.path.getmtime(target)
+    for source in sources:
+        if not os.path.exists(source):
+            if missing == "error":  # blow up when we stat() the file
+                pass
+            elif missing == "ignore":  # missing source dropped from
+                continue  #  target's dependency list
+            elif missing == "newer":  # missing source means target is
+                return True  #  out-of-date
+
+        source_mtime = os.path.getmtime(source)
+        if source_mtime > target_mtime:
+            return True
+    else:
+        return False
+
 
 build_id_patch = build_id
 if not "." in build_id_patch: