Terry J. Reedy added the comment:
Problems with multiprocessing and tkinter on Mac might have been due to using
the default start method, which used to be fork and is now spawn. This should
be retested sometime.
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versions: +Python 3.10 -Python 3.8
Terry J. Reedy added the comment:
#34313 reports problems with multiprocessing when using at least some versions
of tkinter on some versions of macOS.
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versions: +Python 3.8 -Python 3.4, Python 3.5
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Python tracker
Terry J. Reedy added the comment:
Pydev, Re: Status of PEP 3145 - Asynchronous I/O for subprocess.popen; Antoine
Pitrou:
Why don't you use multiprocessing or concurrent.futures? They have
everything you need for continuous conversation between processes.
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stage: - needs patch
Terry J. Reedy added the comment:
In the thread that started here
https://mail.python.org/pipermail/python-dev/2014-March/133492.html
in this message.
https://mail.python.org/pipermail/python-dev/2014-March/133671.html
Josiah Carlson posted a pastebin link about how to actually use the pipes.
Terry J. Reedy added the comment:
https://mail.python.org/pipermail/python-dev/2014-March/133641.html
from Victor Stinner gives example code using asyncio
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New submission from Terry J. Reedy:
Idle once used os.spawnv to open the user subprocess and 2.7 still does.
Sockets were then used to interact with the subprocess. Since rev71746,
2011-8-3, 3.2+ use subprocess.Popen but still use sockets. A rare but continual
problem is failure to make the
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