From d46348a55b83b73fa9447ed901a70e8562eae8e6 Mon Sep 17 00:00:00 2001
From: Aaron Munger <2019016+amunger@users.noreply.github.com>
Date: Sat, 21 Jun 2025 00:40:52 -0700
Subject: [PATCH] Revert "fix output links for IPython 9 (#248349)" (#252017)

This reverts commit e5ddb82cdc9fdc9b6cff4004ca124a14f9a31359.
---
 extensions/notebook-renderers/src/stackTraceHelper.ts       | 6 ++----
 .../notebook-renderers/src/test/stackTraceHelper.test.ts    | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/extensions/notebook-renderers/src/stackTraceHelper.ts b/extensions/notebook-renderers/src/stackTraceHelper.ts
index a517273ae21..d0d03c20441 100644
--- a/extensions/notebook-renderers/src/stackTraceHelper.ts
+++ b/extensions/notebook-renderers/src/stackTraceHelper.ts
@@ -32,10 +32,8 @@ export function formatStackTrace(stack: string, trustHtml: boolean): { formatted
 
 const formatSequence = /\u001b\[.+?m/g;
 const fileRegex = /File\s+(?:\u001b\[.+?m)?(.+):(\d+)/;
-// look for the "--->" before a line number
-const lineNumberRegex = /^((?:\u001b\[.+?m|\s)*[-]+>(?:\u001b\[.+?m|\s)*)(\d+)(?:\u001b\[.+?m)*( .*)/;
-// just capturing parts of "Cell In[3], line 2" with lots of formatting in between
-const cellRegex = /(?<prefix>(?:\u001b\[.+?m)*Cell(?:\u001b\[.+?m|\s)*In(?:\u001b\[.+?m|\s)*\[(?<executionCount>\d+)\](?:\u001b\[.+?m|\s|,)+)(?<lineLabel>line (?<lineNumber>\d+)).*/;
+const lineNumberRegex = /^((?:\u001b\[.+?m)?[ \->]+?)(\d+)(?:\u001b\[0m)?( .*)/;
+const cellRegex = /(?<prefix>Cell\s+(?:\u001b\[.+?m)?In\s*\[(?<executionCount>\d+)\],\s*)(?<lineLabel>line (?<lineNumber>\d+)).*/;
 // older versions of IPython ~8.3.0
 const inputRegex = /(?<prefix>Input\s+?(?:\u001b\[.+?m)(?<cellLabel>In\s*\[(?<executionCount>\d+)\]))(?<postfix>.*)/;
 
diff --git a/extensions/notebook-renderers/src/test/stackTraceHelper.test.ts b/extensions/notebook-renderers/src/test/stackTraceHelper.test.ts
index 1b29ce6818f..41f7d10f9c8 100644
--- a/extensions/notebook-renderers/src/test/stackTraceHelper.test.ts
+++ b/extensions/notebook-renderers/src/test/stackTraceHelper.test.ts
@@ -45,7 +45,7 @@ suite('StackTraceHelper', () => {
 		assert.equal(errorLocation, '<a href=\'vscode-notebook-cell:?execution_count=3&line=2\'>line 2</a>');
 	});
 
-	test('IPython stack line numbers are linkified for IPython 9.0.0', () => {
+	test.skip('IPython stack line numbers are linkified for IPython 9.0.0', () => {
 		const stack =
 			'\u001b[31m---------------------------------------------------------------------------\u001b[39m\n' +
 			'\u001b[31mTypeError\u001b[39m                                 Traceback (most recent call last)\n' +