qt-Dragon HD Qtvcp error

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01 Oct 2022 02:03 #253135 by cspice
Hello,
I updated linuxcnc to version: 2.9.0-pre0-7921-gfdda9b21a
Now my qtDragonHD configuration does not load anymore, even if I try the sim version of QtDragon_hd it gets a Qtcvp error, the only version of qtDragon that works are the non hd sim versions.
Below is the QTvcp error message, what can be the cause of this error message?

Traceback (most recent call last):
  File "/usr/bin/qtvcp", line 511, in <module>
    APP = QTVCP()
  File "/usr/bin/qtvcp", line 277, in __init__
    window.load_extension(opts.usermod)
  File "/usr/lib/python3/dist-packages/qtvcp/qt_makegui.py", line 265, in load_extension
    methods, self[obj].handler_module, self[obj].handler_instance = self._load_handlers([handlerpath], self.halcomp, self[obj])
  File "/usr/lib/python3/dist-packages/qtvcp/qt_makegui.py", line 293, in _load_handlers
    mod = __import__(basename)
  File "/usr/share/qtvcp/screens/qtdragon_hd/qtdragon_hd_handler.py", line 18, in <module>
    from math import dist, ceil
ImportError: cannot import name 'dist' from 'math' (unknown location)


 

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01 Oct 2022 02:13 #253136 by cmorley
Replied by cmorley on topic qt-Dragon HD Qtvcp error
It cant find a math library.
run this in a terminal:
sudo apt install python3-distutils
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01 Oct 2022 12:14 #253169 by cspice
Replied by cspice on topic qt-Dragon HD Qtvcp error
I tried it but python3-distutils is already installed.

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01 Oct 2022 15:35 #253181 by cmorley
Replied by cmorley on topic qt-Dragon HD Qtvcp error
Can you tell us about your linux system?
Can you yell us the python version number?

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03 Oct 2022 20:51 #253384 by cspice
Replied by cspice on topic qt-Dragon HD Qtvcp error
Hello sorry for the late reply, My linux system details are,
Debian 10
Kernel : Linux cnc-plasma 5.10.0-0.deb10.17-rt-amd64
Linuxcnc Version : 2.9.0-pre0-7939-g600ba1a08
Python 2 : Python 2.7.16 (default, Oct 10 2019, 22:02:15)
Python 3 : Python 3.7.3 (default, Jan 22 2021, 20:04:44)
python3-distutils version (3.7.3-1)

I missed out a part of the error message on my first post,
I don't understand why it asks me to install python3-distutils even though it is installed, is it a missing dependency?

Traceback (most recent call last):
File "/usr/share/qtvcp/screens/qtdragon_hd/qtdragon_hd_handler.py", line 19, in <module>
from math import dist, ceil
ImportError: cannot import name 'dist' from 'math' (unknown location)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/bin/qtvcp", line 511, in <module>
APP = QTVCP()
File "/usr/bin/qtvcp", line 277, in __init__
window.load_extension(opts.usermod)
File "/usr/lib/python3/dist-packages/qtvcp/qt_makegui.py", line 265, in load_extension
methods, self[obj].handler_module, self[obj].handler_instance = self._load_handlers([handlerpath], self.halcomp, self[obj])
File "/usr/lib/python3/dist-packages/qtvcp/qt_makegui.py", line 293, in _load_handlers
mod = __import__(basename)
File "/usr/share/qtvcp/screens/qtdragon_hd/qtdragon_hd_handler.py", line 21, in <module>
LOG.error('Is python distutils installed? (sudo apt install python3-distutils')
NameError: name 'LOG' is not defined

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04 Oct 2022 01:09 #253400 by cmorley
Replied by cmorley on topic qt-Dragon HD Qtvcp error
can you open a terminal type:
python3

then:
from math import dist, ceil

and see if you get an error.

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04 Oct 2022 12:18 #253440 by cspice
Replied by cspice on topic qt-Dragon HD Qtvcp error
Yes I get an error.

>>> from math import dist, ceil
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: cannot import name 'dist' from 'math' (unknown location)
>>>

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04 Oct 2022 12:59 #253442 by cmorley
Replied by cmorley on topic qt-Dragon HD Qtvcp error
Hmm well I have no answers for you. I googled the error and never got a great answer.
I did read that the modules was changed a lot at one point, but didn't elaborate more.

If HD is important to you, I could probably write a work around.
dist is used to calculate time to do a probe move.

Chris

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10 Oct 2022 10:55 #253859 by jb
Replied by jb on topic qt-Dragon HD Qtvcp error
Hello, there is a fix in master for this. github.com/LinuxCNC/linuxcnc/pull/2083

Sorry for the inconvenience.
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10 Oct 2022 12:57 #253879 by cmorley
Replied by cmorley on topic qt-Dragon HD Qtvcp error
Thanks for the fix - sorry for not figuring it out myself :)

Chris
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