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From 53a497ae37b3220662ac177e9477e9551e4e37b0 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 14 Jan 2026 14:32:40 +0100
Subject: [PATCH] Update cache_from_source() for Python 3.15
The debug_override parameter of cache_from_source() is deprecated in
Python 3.14. The function docstring says:
The debug_override parameter is deprecated. If debug_override
is not None, a True value is the same as setting 'optimization'
to the empty string while a False value is equivalent to setting
'optimization' to '1'.
The parameter has been removed in Python 3.15.
Fixes #255
---
distlib/util.py | 6 +++++-
tests/test_util.py | 2 +-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/distlib/util.py b/distlib/util.py
index 0d5bd7a..b700384 100644
--- a/distlib/util.py
+++ b/distlib/util.py
@@ -589,7 +589,11 @@ def ensure_dir(self, path):
self.dirs_created.add(path)
def byte_compile(self, path, optimize=False, force=False, prefix=None, hashed_invalidation=False):
- dpath = cache_from_source(path, not optimize)
+ if not optimize:
+ optimization = ''
+ else:
+ optimization = '1'
+ dpath = cache_from_source(path, optimization=optimization)
logger.info('Byte-compiling %s to %s', path, dpath)
if not self.dry_run:
if force or self.newer(path, dpath):
diff --git a/tests/test_util.py b/tests/test_util.py
index d8694a9..d4bb572 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -652,7 +652,7 @@ def test_is_writable(self):
def test_byte_compile(self):
path = os.path.join(self.workdir, 'hello.py')
- dpath = cache_from_source(path, True)
+ dpath = cache_from_source(path, optimization='')
self.fileop.write_text_file(path, 'print("Hello, world!")', 'utf-8')
self.fileop.byte_compile(path, optimize=False)
self.assertTrue(os.path.exists(dpath))
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