Read varible of hal componet for Python 3

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5 years 8 months ago #199414 by TheRoslyak
Read varible of hal componet for Python 3 was created by TheRoslyak
Hi everyone
How I can read varible of hal componet
Now I use thread for
os.popen("halcmd getp axis.x.pos-cmd").read()
Perhaps there is an easier way?
Only Python 3!!!

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5 years 8 months ago #199444 by cmorley
Replied by cmorley on topic Read varible of hal componet for Python 3
After compiling to use python 3 ,use the python HAL module.

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5 years 8 months ago #199446 by TheRoslyak
Replied by TheRoslyak on topic Read varible of hal componet for Python 3
Can you give Hello world for this.(To read values already created variables.)
I found only examples to create hal-compotent.

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5 years 8 months ago #199482 by phillc54
Replied by phillc54 on topic Read varible of hal componet for Python 3
get_value should do what you want.

linuxcnc.org/docs/2.8/html/hal/halmodule.html#_get_value

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5 years 8 months ago #199503 by TheRoslyak
Replied by TheRoslyak on topic Read varible of hal componet for Python 3
On python3 don't work. Or may be I'm stupid?)

UPD library HAL for python3 It's different (AI engine bla bla bla)

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5 years 8 months ago #199508 by phillc54
Replied by phillc54 on topic Read varible of hal componet for Python 3
Was LinuxCNC built with python3?

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5 years 6 months ago #205328 by elisa
Replied by elisa on topic Read varible of hal componet for Python 3
Hi!

Did you find a solution?

I would like to do the same thing but I am trouble with hal.get_value()...

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