From a508ebafadcfe2e25554b029593f3e66d01ede6c Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Mon, 16 Mar 2020 21:50:36 +0100
Subject: [PATCH] Issue #309: Add Python 3.9 support to spawnv_passfds()
Python 3.9 added (umask, user, group, extra_groups) parameters to
_posixsubprocess.fork_exec().
---
billiard/compat.py | 8 ++++++--
tox.ini | 2 +-
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/billiard/compat.py b/billiard/compat.py
index b172d9a..b5ce7c7 100644
--- a/billiard/compat.py
+++ b/billiard/compat.py
@@ -220,10 +220,14 @@ def spawnv_passfds(path, args, passfds):
passfds = sorted(passfds)
errpipe_read, errpipe_write = os.pipe()
try:
- return _posixsubprocess.fork_exec(
+ args = [
args, [fsencode(path)], True, tuple(passfds), None, None,
-1, -1, -1, -1, -1, -1, errpipe_read, errpipe_write,
- False, False, None)
+ False, False]
+ if sys.version_info >= (3, 9):
+ args.extend((None, None, None, -1)) # group, extra_groups, user, umask
+ args.append(None) # preexec_fn
+ return _posixsubprocess.fork_exec(*args)
finally:
os.close(errpipe_read)
os.close(errpipe_write)