From b41e7b1e022dcf4f56b440df4f29d45b1c766019 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=C5=81ukasz=20Langa?= Date: Tue, 20 May 2025 22:15:43 +0200 Subject: [PATCH] [3.13] gh-128066: Properly handle history file writes for RO fs on PyREPL (gh-134380) (gh-134386) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit (cherry picked from commit c91ad5da9d92eac4718e4da8d53689c3cc24535e) Co-authored-by: Chris Patti Co-authored-by: Łukasz Langa --- Lib/site.py | 6 ++++++ .../2025-05-20-14-41-50.gh-issue-128066.qzzGfv.rst | 3 +++ 2 files changed, 9 insertions(+) create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2025-05-20-14-41-50.gh-issue-128066.qzzGfv.rst diff --git a/Lib/site.py b/Lib/site.py index 89a81c55cb63..aedf36399c37 100644 --- a/Lib/site.py +++ b/Lib/site.py @@ -75,6 +75,7 @@ import builtins import _sitebuiltins import io import stat +import errno # Prefixes for site-packages; add additional prefixes like /usr/local here PREFIXES = [sys.prefix, sys.exec_prefix] @@ -576,6 +577,11 @@ def register_readline(): # home directory does not exist or is not writable # https://bugs.python.org/issue19891 pass + except OSError: + if errno.EROFS: + pass # gh-128066: read-only file system + else: + raise atexit.register(write_history) diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-05-20-14-41-50.gh-issue-128066.qzzGfv.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-05-20-14-41-50.gh-issue-128066.qzzGfv.rst new file mode 100644 index 000000000000..f78190276851 --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-05-20-14-41-50.gh-issue-128066.qzzGfv.rst @@ -0,0 +1,3 @@ +Fixes an edge case where PyREPL improperly threw an error when Python is +invoked on a read only filesystem while trying to write history file +entries. -- 2.47.3