From: Irit Katriel <iritkatriel@yahoo.com>
Date: Fri, 15 Jan 2021 15:59:44 +0000 (+0000)
Subject: bpo-42934: use TracebackException(compact=True) in unittest.TestResult (GH-24221)
X-Git-Tag: v3.10.0a5~96
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ba876c44a8d06668e622fb580fdcde45c7a36d48;p=thirdparty%2FPython%2Fcpython.git

bpo-42934: use TracebackException(compact=True) in unittest.TestResult (GH-24221)
---

diff --git a/Lib/unittest/result.py b/Lib/unittest/result.py
index 111317b329a8..ce7468e31481 100644
--- a/Lib/unittest/result.py
+++ b/Lib/unittest/result.py
@@ -183,7 +183,8 @@ class TestResult(object):
         else:
             length = None
         tb_e = traceback.TracebackException(
-            exctype, value, tb, limit=length, capture_locals=self.tb_locals)
+            exctype, value, tb,
+            limit=length, capture_locals=self.tb_locals, compact=True)
         msgLines = list(tb_e.format())
 
         if self.buffer:
diff --git a/Misc/NEWS.d/next/Library/2021-01-15-11-48-00.bpo-42934.ILKoOI.rst b/Misc/NEWS.d/next/Library/2021-01-15-11-48-00.bpo-42934.ILKoOI.rst
new file mode 100644
index 000000000000..92f2402d2324
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2021-01-15-11-48-00.bpo-42934.ILKoOI.rst
@@ -0,0 +1,3 @@
+Use :class:`~traceback.TracebackException`'s new ``compact`` param in
+:class:`~unittest.TestResult` to reduce time and memory consumed by
+traceback formatting.