From: Nikita Sobolev <mail@sobolevn.me>
Date: Mon, 2 May 2022 22:25:52 +0000 (+0300)
Subject: bpo-46547: remove leaking vars into `pydoc.Helper` namespace (#30957)
X-Git-Tag: v3.11.0b1~117
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cb6c6648bea57046d5ceff9382f19ebae024b918;p=thirdparty%2FPython%2Fcpython.git

bpo-46547: remove leaking vars into `pydoc.Helper` namespace (#30957)

Fixes #90705
---

diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 12c2bb450e4f..297ff967a2ce 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -1891,6 +1891,7 @@ class Helper:
             if topic not in topics:
                 topics = topics + ' ' + topic
             symbols[symbol] = topics
+    del topic, symbols_, symbol, topics
 
     topics = {
         'TYPES': ('types', 'STRINGS UNICODE NUMBERS SEQUENCES MAPPINGS '
diff --git a/Misc/NEWS.d/next/Library/2022-01-27-14-41-55.bpo-46547.JMyYz9.rst b/Misc/NEWS.d/next/Library/2022-01-27-14-41-55.bpo-46547.JMyYz9.rst
new file mode 100644
index 000000000000..83065a7a0603
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-01-27-14-41-55.bpo-46547.JMyYz9.rst
@@ -0,0 +1 @@
+Remove variables leaking into ``pydoc.Helper`` class namespace.