Alternatives to run a .exe file with python - Stack Overflow

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I'm attempting to run the SWAT+ model executable (swatplus-61.0.2-ifx-win_amd64-Rel.exe) from Python using the subprocess module. However, I encounter the following error when running the executable through Python:

The procedure entry point for_sop_core_quiet could not be located in the dynamic link library 'swatplus-61.0.2-ifx-win_amd64-Rel.exe'.

Interestingly, the executable runs perfectly when invoked manually from the Command Prompt, but fails when trying to execute it using subprocess in Python.

import os
import subprocess

exe_file = r"C:\Users\mcva\Desktop\swat_plus_gango - Copy\swatplus-61.0.2-ifx-win_amd64-Rel.exe"

# Attempt to run the executable using subprocess
try:
    subprocess.run([exe_file], check=True)
    print("SWAT+ ran successfully")
except subprocess.CalledProcessError as e:
    print(f"Error while running SWAT+: {e}")
    print(f"Exit Code: {e.returncode}")
    print(f"Error Output: {e.stderr}")

Troubleshooting steps I've tried: Manually run the executable: The executable runs perfectly from the Command Prompt, but fails when invoked from Python. Checking paths: I verified that the path to the executable is correct. The file exists at C:\Users\mcva\Desktop\swat_plus_gango - Copy\swatplus-61.0.2-ifx-win_amd64-Rel.exe and is accessible. Error code 3221225785: The error code 3221225785 (0xc0000135) indicates a possible DLL conflict, but when running manually, this doesn't appear. Dependencies and DLLs: I confirmed that the SWAT+ executable works in a manual run, so it should have all the necessary dependencies. Running executable from Python: When trying to run the executable via Python’s subprocess.run() function, I encounter the error mentioned above. The output is not informative: it just mentions that the entry point for for_sop_core_quiet is missing.What I need help with: Why does SWAT+ run manually but not when invoked via Python? How can I resolve the for_sop_core_quiet entry point issue when running via Python? Are there any environment setup steps or configuration tweaks needed for running SWAT+ from Python? How can I ensure that all necessary DLLs or dependencies are correctly loaded when running from Python? Any insights or suggestions would be greatly appreciated!

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