Python linuxcnc.stat() showing no result.
04 May 2018 07:25 #110172
by kpj10
Python linuxcnc.stat() showing no result. was created by kpj10
Short:
The other day i was making a python script to see currently opend ngc file, in case if I'm running a global LinuxCNC installation i can read the current file, but for a local installation of LinuxCNC I'm getting an empty string. What could be the problem.
Long:
On my laptop i have a simulation package of LinuxCNC installed. The installation was done pulling the LinuxCNC from GitHub and making a deb package, as i wanted to make a system wide installation.
Often there are other branches of LinuxCNC that solves my problem, hence I download them and make a local installation on my laptop.
To start a global installed file i directly type linuxcnc in my shell script.
Whereas for a local installation i have to cd to the location and then to script folder then i type ./linuxcnc. Everytime things work fine.
The other day i was making a python script to see currently opend ngc file, in case if I'm running a global LinuxCNC installation i can read the current file, but for a local installation of LinuxCNC I'm getting an empty string. What could be the problem.
Any help will be appreciated.
Thanks,
Kunal.
The other day i was making a python script to see currently opend ngc file, in case if I'm running a global LinuxCNC installation i can read the current file, but for a local installation of LinuxCNC I'm getting an empty string. What could be the problem.
Long:
On my laptop i have a simulation package of LinuxCNC installed. The installation was done pulling the LinuxCNC from GitHub and making a deb package, as i wanted to make a system wide installation.
Often there are other branches of LinuxCNC that solves my problem, hence I download them and make a local installation on my laptop.
To start a global installed file i directly type linuxcnc in my shell script.
Whereas for a local installation i have to cd to the location and then to script folder then i type ./linuxcnc. Everytime things work fine.
The other day i was making a python script to see currently opend ngc file, in case if I'm running a global LinuxCNC installation i can read the current file, but for a local installation of LinuxCNC I'm getting an empty string. What could be the problem.
Any help will be appreciated.
Thanks,
Kunal.
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09 May 2018 12:37 #110431
by andypugh
Replied by andypugh on topic Python linuxcnc.stat() showing no result.
Can you explain what you mean by "global" and "local"?
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09 May 2018 13:01 #110433
by Todd Zuercher
Replied by Todd Zuercher on topic Python linuxcnc.stat() showing no result.
Just a guess from the context, "global"=standard full installation of Linuxcnc, "local"=RIP (run in place).
Is that what you mean Kunal?
Is that what you mean Kunal?
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09 May 2018 13:35 #110436
by kpj10
Replied by kpj10 on topic Python linuxcnc.stat() showing no result.
Yep. Global is standard installation, and local is RIP.
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15 May 2018 12:24 #110757
by andypugh
Replied by andypugh on topic Python linuxcnc.stat() showing no result.
Are you starting your Python code from the same environment (ie command line terminal) as LinuxCNC?
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15 May 2018 12:48 #110762
by kpj10
Replied by kpj10 on topic Python linuxcnc.stat() showing no result.
I start LinuxCNC from a terminal window, then again i open a new terminal window type python there i import the linuxcnc python module and do what I want to do.
For the timing i have made a glade app which i start with my LinuxCNC configuration.
In that app when I try to check current position just after homing, i'm getting 3.58... for x and y though its x and y are at 0. But when i make a move i get correct position.
For the timing i have made a glade app which i start with my LinuxCNC configuration.
In that app when I try to check current position just after homing, i'm getting 3.58... for x and y though its x and y are at 0. But when i make a move i get correct position.
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15 May 2018 13:26 #110765
by andypugh
Replied by andypugh on topic Python linuxcnc.stat() showing no result.
I think you need to run the rip-environment script in the second window prior to opening python.
Or use linuxcnc& in the first window to get back to the command line after launching linuxcnc (probably better)
Or use linuxcnc& in the first window to get back to the command line after launching linuxcnc (probably better)
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15 May 2018 13:38 #110767
by kpj10
Replied by kpj10 on topic Python linuxcnc.stat() showing no result.
I'll try out your second suggestion, because the first suggested solution is the approach i follow.
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