Filter löschen
Filter löschen

Exporting Matlab code as Python package: Coolprop dependency error

42 Ansichten (letzte 30 Tage)
VS
VS am 9 Jul. 2024 um 14:44
Bearbeitet: Walter Roberson am 19 Jul. 2024 um 18:39
I have a Matlab code that accesses python wrapper for CoolProp and uses CoolProp.CoolProp.PropsSI function calls to get state properties in the form of py.CoolProp.CoolProp.PropsSI(...).
For example:
function T = test(p)
T= py.CoolProp.CoolProp.PropsSI('T','P',p,'Q',0,"Nitrogen");
end
If you run it from Matlab, everything works.
Following the steps in Create Python Application Using Library Compiler App I exported the Matlab functions as a python package. It is explicitly stated that the dependencies are recognized and added automatically. However, I encountered the following error when a function is called (see Package MATLAB Function and Deploy to Python Application) in Python:
import matlab_package as mtl
handle = mtl.initialize()
T = handle.test(100000)
MatlabRuntimeError: An error occurred when evaluating the result from a function. Details: File ....m, line ..., in ...\mcrCache23.2\...\...\....m, line ..., in run_model Unable to resolve the name 'py.CoolProp.CoolProp.PropsSI'.
I am not sure how I need to export it so that the dependency works. Any help?
UPDATE:
I narrowed down the issue to the InProcess operation of MatlabRuntime. Is there a way to invoke it Out-Of-Process? I have included
pyenv(ExecutionMode="OutOfProcess")
into the packaged matlab function, but it doesn't seem help it.

Antworten (1)

Oliver Jaehrig
Oliver Jaehrig am 10 Jul. 2024 um 14:08
Bearbeitet: Walter Roberson am 19 Jul. 2024 um 18:39
  1 Kommentar
VS
VS am 19 Jul. 2024 um 15:19
Bearbeitet: VS am 19 Jul. 2024 um 16:32
sadly it didn't help. I believe the problem lies in the execution mode of the Matlab runtime. It runs InProcess, and I cannot find a way to invoke it Out-Of-Process

Melden Sie sich an, um zu kommentieren.

Kategorien

Mehr zu Python Package Integration finden Sie in Help Center und File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by