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[ModelicaSystem] replace depreciated importlib.load_module() #287

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Merged
merged 1 commit into from
May 28, 2025
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[ModelicaSystem] replace depreciated importlib.load_module() #287

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11 changes: 10 additions & 1 deletion OMPython/ModelicaSystem.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1214,6 +1214,14 @@ def linearize(self, lintime: Optional[float] = None, simflags: Optional[str] = N
compatibility, because linearize() used to return `[A, B, C, D]`.
"""

# replacement for depreciated importlib.load_module()
def load_module_from_path(module_name, file_path):
spec = importlib.util.spec_from_file_location(module_name, file_path)
module_def = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module_def)

return module_def

if self.xmlFile is None:
raise IOError("Linearization cannot be performed as the model is not build, "
"use ModelicaSystem() to build the model first")
Expand Down Expand Up @@ -1271,7 +1279,8 @@ def linearize(self, lintime: Optional[float] = None, simflags: Optional[str] = N
try:
# do not add the linearfile directory to path, as multiple execution of linearization will always use the first added path, instead execute the file
# https://github.com/OpenModelica/OMPython/issues/196
module = importlib.machinery.SourceFileLoader("linearized_model", linearFile.as_posix()).load_module()
module = load_module_from_path(module_name="linearized_model", file_path=linearFile.as_posix())

result = module.linearized_model()
(n, m, p, x0, u0, A, B, C, D, stateVars, inputVars, outputVars) = result
self.linearinputs = inputVars
Expand Down
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