From a6516de08b7062d224a6a5f88a7d4ad4dd1fd051 Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Wed, 17 Jul 2024 16:03:54 +0200 Subject: [PATCH] [3.12] gh-78889: Stop IDLE Shell freezes from sys.stdout.shell.xyz (GH-121876) (#121912) gh-78889: Stop IDLE Shell freezes from sys.stdout.shell.xyz (GH-121876) Problem occurred when attribute xyz could not be pickled. Since this is not trivial to selectively fix, block all attributes (other than 'width'). IDLE does not access them and they are private implementation details. (cherry picked from commit 58753f33e47fe48906883dc010771f68c13b7e52) Co-authored-by: Terry Jan Reedy --- Lib/idlelib/News3.txt | 3 +++ Lib/idlelib/run.py | 3 +++ .../next/IDLE/2024-07-16-16-57-03.gh-issue-78889.U7ghFD.rst | 2 ++ 3 files changed, 8 insertions(+) create mode 100644 Misc/NEWS.d/next/IDLE/2024-07-16-16-57-03.gh-issue-78889.U7ghFD.rst diff --git a/Lib/idlelib/News3.txt b/Lib/idlelib/News3.txt index c92196f1f4a6..39791d60c068 100644 --- a/Lib/idlelib/News3.txt +++ b/Lib/idlelib/News3.txt @@ -4,6 +4,9 @@ Released after 2023-10-02 ========================= +gh-78889: Stop Shell freezes by blocking user access to non-method +sys.stdout.shell attributes, which are all private. + gh-78955: Use user-selected color theme for Help => IDLE Doc. gh-96905: In idlelib code, stop redefining built-ins 'dict' and 'object'. diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py index 53e80a9b4280..476a7b26c004 100644 --- a/Lib/idlelib/run.py +++ b/Lib/idlelib/run.py @@ -436,6 +436,9 @@ class StdioFile(io.TextIOBase): def __init__(self, shell, tags, encoding='utf-8', errors='strict'): self.shell = shell + # GH-78889: accessing unpickleable attributes freezes Shell. + # IDLE only needs methods; allow 'width' for possible use. + self.shell._RPCProxy__attributes = {'width': 1} self.tags = tags self._encoding = encoding self._errors = errors diff --git a/Misc/NEWS.d/next/IDLE/2024-07-16-16-57-03.gh-issue-78889.U7ghFD.rst b/Misc/NEWS.d/next/IDLE/2024-07-16-16-57-03.gh-issue-78889.U7ghFD.rst new file mode 100644 index 000000000000..604194ebb2e8 --- /dev/null +++ b/Misc/NEWS.d/next/IDLE/2024-07-16-16-57-03.gh-issue-78889.U7ghFD.rst @@ -0,0 +1,2 @@ +Stop Shell freezes by blocking user access to non-method sys.stdout.shell attributes, +which are all private. -- 2.47.3