From ce971c1ba516bb90137c1cdc3e47ce6ba62b4c32 Mon Sep 17 00:00:00 2001
From: Dave Cantrell <dcantrell@redhat.com>
Date: Jan 21 2026 18:26:25 +0000
Subject: Use open() on Python >= 3.14 instead of codecs.open()


Starting with Python 3.14, codecs.open() is deprecated in favor of
open().  But add support for that while not breaking support for
previous Python versions.

Signed-off-by: Dave Cantrell <dcantrell@redhat.com>

---

diff --git a/rpmfluff/rpmbuild.py b/rpmfluff/rpmbuild.py
index b70484f..2a560c4 100644
--- a/rpmfluff/rpmbuild.py
+++ b/rpmfluff/rpmbuild.py
@@ -22,6 +22,7 @@ import shutil
 import subprocess
 import tempfile
 import datetime
+import sys
 
 from .check import CheckTrigger, CheckSourceFile, CheckPayloadFile
 from .samples import hello_world, simple_library_source, sample_man_page, \
@@ -316,7 +317,10 @@ class SimpleRpmBuild(RpmBuild):
             specFileName = os.path.join(tmpDir, "%s.spec" % self.specbasename)
         else:
             specFileName = os.path.join(tmpDir, "%s.spec"%self.name)
-        specFile = codecs.open(specFileName, "wb", self.specfileEncoding)
+        if sys.version_info[0] >= 3 and sys.version_info[1] >= 14:
+            specFile = open(specFileName, mode="w", encoding=self.specfileEncoding)
+        else:
+            specFile = codecs.open(specFileName, "wb", self.specfileEncoding)
         specFile.write(self.header)
         specFile.write("Summary: %s\n"%self.basePackage.summary)
         specFile.write("Name: %s\n"%self.name)
diff --git a/rpmfluff/sourcefile.py b/rpmfluff/sourcefile.py
index dd4d59a..58f747a 100644
--- a/rpmfluff/sourcefile.py
+++ b/rpmfluff/sourcefile.py
@@ -15,6 +15,7 @@
 
 import codecs
 import os.path
+import sys
 
 class SourceFile:
     def __init__(self, sourceName, content, encoding='utf8'):
@@ -27,7 +28,10 @@ class SourceFile:
         if isinstance(self.content, bytes):
             dstFile = open(dstFileName, "wb")
         else:
-            dstFile = codecs.open(dstFileName, "wb", self.encoding)
+            if sys.version_info[0] >= 3 and sys.version_info[1] >= 14:
+                dstFile = open(dstFileName, mode="w", encoding=self.encoding)
+            else:
+                dstFile = codecs.open(dstFileName, "wb", self.encoding)
         return dstFile
 
     def write_file(self, sourcesDir):