Can't make pyhello.py example to bind on ivydefault bus but it works when forcing bus to 0.0.0.0:2010

Problem

From the examples folder,

I've first launched python ivyprobe.py It returned:

Broadcasting on ivydefault

Changes in applications' bindings are hidden

Go ahead! (type .help for help on commands)

Then I've launched python pyhello.py It returned:

pyhello: Ivy will broadcast on ivydefault

pyhello: pyhello send a tick

pyhello: IvyTimerRepeatAfter id is 4529047200

pyhello: pyhello doing IvyMainLoop

pyhello: pyhello send a tick

...

But pyhello wasn't seen by ivyprobe (I tried the .who command which returned [])

For info, lsof -Pn -i4 command returned:

python3.1 5103 Me 3u IPv4 0x1053c3c5abaeb5e3 0t0 TCP *:50399 (LISTEN)

python3.1 5103 Me 4u IPv4 0x1053c3c5ad15760b 0t0 UDP *:2010

python3.1 5159 Me 3u IPv4 0x1053c3c5c6366b23 0t0 TCP *:50403 (LISTEN)

python3.1 5159 Me 4u IPv4 0x1053c3c5ad1532ab 0t0 UDP *:2010

Solution

However, I've managed to connect pyhello using python pyhello.py -b 0.0.0.0:2010

It returned:

pyhello: Ivy application 127.0.0.1:50440 (pyivyprobe) was connected

pyhello: currents Ivy application are [['pyivyprobe']]

pyhello: Received from 127.0.0.1:50440 (pyivyprobe): [[pyivyprobe is ready]]

And ivyprobe returned:

Ivy application 127.0.0.1:50439 (pyhello) has connected

Ivy applications currently on the bus: pyhello

In that case lsof -Pn -i4 command returned:

python3.1 5264 Robotron 3u IPv4 0x1053c3c5c6368b33 0t0 TCP *:50444 (LISTEN)

python3.1 5264 Robotron 4u IPv4 0x1053c3c5ad1538cb 0t0 UDP *:2010

python3.1 5264 Robotron 5u IPv4 0x1053c3c5abae6063 0t0 TCP 127.0.0.1:50446->127.0.0.1:50445 (ESTABLISHED)

python3.1 5282 Robotron 3u IPv4 0x1053c3c5b73ca5d3 0t0 TCP *:50445 (LISTEN)

python3.1 5282 Robotron 4u IPv4 0x1053c3c5ad156cdb 0t0 UDP *:2010

python3.1 5282 Robotron 5u IPv4 0x1053c3c5abaeb5e3 0t0 TCP 127.0.0.1:50445->127.0.0.1:50446 (ESTABLISHED)

Question

So, my question is : why I need to force ivybus selection ? I'm working on MacOS Monterey, Running Python 3.10.0 with ivy-python 3.3 release

Edited Oct 11, 2023 by Théo de la Hogue

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