[issue5065] IDLE improve Subprocess Startup Error message

[Steven D'Aprano]

New submission from Steven D'Aprano <steve at pearwood.info>:

When launching IDLE, it reports:

"IDLE's subprocess didn't make connection. Either IDLE can't start a 
subprocess or personal firewall software is blocking the connection."

This should report what needs to be opened on the firewall to allow 
the connection, e.g. "Allow UDP/TCP connections to 127.0.0.1 on ports 
FOO and BAR and try again".

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components: IDLE
messages: 80560
nosy: stevenjd
severity: normal
status: open
title: IDLE improve Subprocess Startup Error message
type: feature request

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5065>
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