[Python-checkins] bpo-42278: Use tempfile.TemporaryDirectory rather than tempfile.mktemp in pydoc (GH-23200)
ambv
webhook-mailer at python.org
Sun Aug 29 07:07:56 EDT 2021
https://github.com/python/cpython/commit/c9227df5a9d8e958a2324cf0deba8524d1ded26a
commit: c9227df5a9d8e958a2324cf0deba8524d1ded26a
branch: main
author: E-Paine <63801254+E-Paine at users.noreply.github.com>
committer: ambv <lukasz at langa.pl>
date: 2021-08-29T13:07:51+02:00
summary:
bpo-42278: Use tempfile.TemporaryDirectory rather than tempfile.mktemp in pydoc (GH-23200)
Co-authored-by: Łukasz Langa <lukasz at langa.pl>
files:
A Misc/NEWS.d/next/Security/2021-08-29-12-39-44.bpo-42278.jvmQz_.rst
M Lib/pydoc.py
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index b2915bfdfc0ff0..34a608760338e3 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -1618,13 +1618,14 @@ def pipepager(text, cmd):
def tempfilepager(text, cmd):
"""Page through text by invoking a program on a temporary file."""
import tempfile
- filename = tempfile.mktemp()
- with open(filename, 'w', errors='backslashreplace') as file:
- file.write(text)
- try:
+ with tempfile.TemporaryDirectory() as tempdir:
+ filename = os.path.join(tempdir, 'pydoc.out')
+ with open(filename, 'w', errors='backslashreplace',
+ encoding=os.device_encoding(0) if
+ sys.platform == 'win32' else None
+ ) as file:
+ file.write(text)
os.system(cmd + ' "' + filename + '"')
- finally:
- os.unlink(filename)
def _escape_stdout(text):
# Escape non-encodable characters to avoid encoding errors later
diff --git a/Misc/NEWS.d/next/Security/2021-08-29-12-39-44.bpo-42278.jvmQz_.rst b/Misc/NEWS.d/next/Security/2021-08-29-12-39-44.bpo-42278.jvmQz_.rst
new file mode 100644
index 00000000000000..db880cd9026da4
--- /dev/null
+++ b/Misc/NEWS.d/next/Security/2021-08-29-12-39-44.bpo-42278.jvmQz_.rst
@@ -0,0 +1,2 @@
+Replaced usage of :func:`tempfile.mktemp` with
+:class:`~tempfile.TemporaryDirectory` to avoid a potential race condition.
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