LinuxCNC Python module

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JT
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13 Dec 2023 14:01 - 13 Dec 2023 14:08 #288035 by JT

LinuxCNC Python module was created by JT

The 2.9 docs show a status

axes (returns integer) - number of axes. Derived from [TRAJ]COORDINATES INI value.

When I try and get the axes I get the following error:

s.poll()
s.axes
AttributeError: 'linuxcnc.stat' object has no attribute 'axes'. Did you mean: 'axis'?

I looked in src/emc/task/taskinf.cc and can't find stat->axes anywhere, so was this removed or is the documents wrong?

JT

Last edit: 13 Dec 2023 14:08 by JT. Reason: fix typo

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JT
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13 Dec 2023 14:07 #288036 by JT

Replied by JT on topic LinuxCNC Python module

Looking at the original commit for taskinf.cc and I see:

stat->axes = localEmcTrajAxes;

So someone removed it at some point... how frustrating.

JT

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JT
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13 Dec 2023 14:13 #288037 by JT

Replied by JT on topic LinuxCNC Python module

Looks like Jeff deleted it with commit
43deeedd065faf31254933ee56af01c314823827

JT

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Aciera
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13 Dec 2023 14:21 - 13 Dec 2023 14:31 #288038 by Aciera

Replied by Aciera on topic LinuxCNC Python module

Try 'axis_mask'

[edit]
This will not only give you how many axes there are but actually which ones (ie XYZABCUVW)

But, yes the reference to 'axes' should be removed from the docs .

Last edit: 13 Dec 2023 14:31 by Aciera.

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tommylight
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13 Dec 2023 14:31 #288040 by tommylight

Replied by tommylight on topic LinuxCNC Python module

First post, shows "axes" and below "axis"
Did you try to stat "axis" ?

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Aciera
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13 Dec 2023 14:33 #288041 by Aciera

Replied by Aciera on topic LinuxCNC Python module

He's referring to these:

Of which 'axes' has been removed.

The following user(s) said Thank You: tommylight

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JT
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13 Dec 2023 14:39 - 13 Dec 2023 14:40 #288042 by JT

Replied by JT on topic LinuxCNC Python module

I don't see why axes was removed as the [TRAJ] COORDINATES is still a valid and required ini entry.

It feels like axes was removed without any thought...

JT

Last edit: 13 Dec 2023 14:40 by JT.

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tommylight
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13 Dec 2023 14:40 #288043 by tommylight

Replied by tommylight on topic LinuxCNC Python module

Oh i see, thank you.
I was thinking maybe a typo, made that mistake more than once typing on this forum, despite knowing "axis" is a single axis and "axes" is multiple.

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Aciera
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13 Dec 2023 14:46 - 13 Dec 2023 15:28 #288044 by Aciera

Replied by Aciera on topic LinuxCNC Python module

I don't see why axes was removed as the [TRAJ] COORDINATES is still a valid and required ini entry.
Maybe because it was felt to be redundant information as 'axis_mask' actually gives you more information about the [TRAJ] COORDINATES entry.
The axis status gave you the number of axes without having to know new math...

JT

I have no clue what happened to this post lol...

Last edit: 13 Dec 2023 15:28 by JT.

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Aciera
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13 Dec 2023 14:58 #288047 by Aciera

Replied by Aciera on topic LinuxCNC Python module

I have created a pull request to fix the documentation
github.com/LinuxCNC/linuxcnc/pull/2789

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LinuxCNC Python module

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