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Code Issues Releases Wiki Activity

Workaround of the Python 3.9 multiprocessing issues

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j1nx 2021-04-05 18:25:51 +02:00
parent 6e89056e1e
commit 4960864c13
1 changed files with 38 additions and 0 deletions
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buildroot-external/package/python-mycroft/0003-Workaround-of-Python3.9-multiprocessing-issues.patch Normal file
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@ -0,0 +1,38 @@
From 9761899ea4d897b2c878d9a7ac300a611a0e4609 Mon Sep 17 00:00:00 2001
From: j1nx <p.steenbergen@j1nx.nl>
Date: Mon, 5 Apr 2021 17:05:47 +0200
Subject: [PATCH 1/1] Workaround of Python3.9+ multiprocessing issues
---
mycroft/util/process_utils.py | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/mycroft/util/process_utils.py b/mycroft/util/process_utils.py
index 81f5c90f59..d272b42729 100644
--- a/mycroft/util/process_utils.py
+++ b/mycroft/util/process_utils.py
@@ -10,6 +10,21 @@ from time import sleep
from .log import LOG
+def initialize_mp_context():
+ """Handle import behaviour changes in python 3.9+
+ Pre-import colliding multiprocessing parts.
+ This should be considered a workaround and not a solution of the issue.
+ """
+ LOG.info('Preloading multiprocessing internals...')
+ import multiprocessing.popen_spawn_posix # noqa
+ import multiprocessing.queues # noqa
+ import multiprocessing.resource_tracker # noqa
+ import multiprocessing.synchronize # noqa
+
+
+initialize_mp_context()
+
+
def reset_sigint_handler():
"""Reset the sigint handler to the default.
--
2.20.1