https://github.com/python/cpython/commit/78fcde039a33d8463e34356d5462fecee0f2831a
commit: 78fcde039a33d8463e34356d5462fecee0f2831a
branch: main
author: buermarc <44375277+buerm...@users.noreply.github.com>
committer: serhiy-storchaka <storch...@gmail.com>
date: 2024-01-17T22:02:14+02:00
summary:
gh-38807: Fix race condition in Lib/trace.py (GH-110143)
Instead of checking if a directory does not exist and thereafter
creating it, directly call os.makedirs() with the exist_ok=True.
files:
A Misc/NEWS.d/next/Library/2023-09-22-22-17-45.gh-issue-38807.m9McRN.rst
M Lib/trace.py
diff --git a/Lib/trace.py b/Lib/trace.py
index 7cb6f897634b14..7886959fa64f68 100755
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -265,8 +265,7 @@ def write_results(self, show_missing=True, summary=False,
coverdir=None, *,
modulename = _modname(filename)
else:
dir = coverdir
- if not os.path.exists(dir):
- os.makedirs(dir)
+ os.makedirs(dir, exist_ok=True)
modulename = _fullmodname(filename)
# If desired, get a list of the line numbers which represent
diff --git
a/Misc/NEWS.d/next/Library/2023-09-22-22-17-45.gh-issue-38807.m9McRN.rst
b/Misc/NEWS.d/next/Library/2023-09-22-22-17-45.gh-issue-38807.m9McRN.rst
new file mode 100644
index 00000000000000..4219723d15b9e6
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-09-22-22-17-45.gh-issue-38807.m9McRN.rst
@@ -0,0 +1,3 @@
+Fix race condition in :mod:`trace`. Instead of checking if a directory
+exists and creating it, directly call :func:`os.makedirs` with the kwarg
+``exist_ok=True``.
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