[OMCSessionZMQ] move code to run model executable from ModelicaSystemCmd to OMCSessionZMQ

Author: syntron

OMPython/OMCSession.py

@@ -687,6 +687,45 @@ def run_model_executable(cmd_run_data: OMCSessionRunData) -> int:
 
         return returncode
 
+    @staticmethod
+    def run_model_executable(cmd_run_data: OMCSessionRunData) -> int:
+        """
+        Run the command defined in cmd_run_data. This class is defined as static method such that there is no need to
+        keep instances of over classes around.
+        """
+
+        my_env = os.environ.copy()
+        if isinstance(cmd_run_data.cmd_library_path, str):
+            my_env["PATH"] = cmd_run_data.cmd_library_path + os.pathsep + my_env["PATH"]
+
+        cmdl = cmd_run_data.get_cmd()
+
+        logger.debug("Run OM command %s in %s", repr(cmdl), cmd_run_data.cmd_path)
+        try:
+            cmdres = subprocess.run(
+                cmdl,
+                capture_output=True,
+                text=True,
+                env=my_env,
+                cwd=cmd_run_data.cmd_cwd_local,
+                timeout=cmd_run_data.cmd_timeout,
+                check=True,
+            )
+            stdout = cmdres.stdout.strip()
+            stderr = cmdres.stderr.strip()
+            returncode = cmdres.returncode
+
+            logger.debug("OM output for command %s:\n%s", repr(cmdl), stdout)
+
+            if stderr:
+                raise OMCSessionException(f"Error running model executable {repr(cmdl)}: {stderr}")
+        except subprocess.TimeoutExpired as ex:
+            raise OMCSessionException(f"Timeout running model executable {repr(cmdl)}") from ex
+        except subprocess.CalledProcessError as ex:
+            raise OMCSessionException(f"Error running model executable {repr(cmdl)}") from ex
+
+        return returncode
+
     def execute(self, command: str):
         warnings.warn("This function is depreciated and will be removed in future versions; "
                       "please use sendExpression() instead", DeprecationWarning, stacklevel=2)