[SOLVED] Could sofa use full Python instead of being embedded in XML file using component

[shang]

hi,all
Does any one knows is it possible to step debug Python scene file instead of embedding the python script in xml.scn file using PythonScriptController?

[Hugo]

Hi @xiaojuan

What do you mean exactly by “step debug Python scene file instead of embedding the python script” ?
Best

Hugo

[shang]

hi @Hugo
I mean loading the python scene file directly instead of call the python script using PythonScriptController in xml scene file.

And step debugging is only allowed in cpp scene,right? I am thinking step debugging is simple in debugging a scene code.

[Hugo]

Hi @xiaojuan

Are you already using Python in your simulation?
You can write a scene only in a .py file and run it with runSofa. However, as soon as you need interactions during the simulation (or printing information for your debugging) you need a PythonScriptController.

Another solution would be to compile SOFA in debug mode, not sure that’s what you want to do.
Best

Hugo

[shang]

Thank you Hugo
I am exactly using python to interact with the scene, and need to print data to console platform. So, I used PythonScriptController component in xml.
I also tried to compile SOFA in debug mode in cpp project.However, it is very slow and time-consuming in compilation and debugging process.So,I gave up cpp compilation.

[Hugo]

Alright, shall we close this topic then?

[shang]

OK~

[Damien Marchal]

Hi xiaojuan,

I’m not sure I fully understand your question but you can use the classical python debugger pdb for stepping into the python code.

Extract from the doc: https://docs.python.org/2/library/pdb.html
“””
The typical usage to break into the debugger from a running program is to insert

import pdb; pdb.set_trace()

at the location you want to break into the debugger. You can then step through the code following this statement, and continue running without the debugger using the c command.
“””

I have never used it but I think it will do what you want.

[Author]

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