Using Python to execute cmd commands

Question

Hello i have been playing around with python recently and have been trying to learn how to control external peripherals and i/o ports on my laptop.

I have been trying to disable USB ports and disable my network adapter. However when i run my program it does not work. The code does not have a specific syntax error but when it is ran nothing happens.

import subprocess


def main():

    print("PROGRAM STARTED")
    subprocess.call(["runas", "/user:Administrator", "cmd.exe /c netsh interface set interface '*' admin=disable"])

    print("Program Exited")


if __name__ == "__main__":
    main()

Can't reproduce. It asks for password (and when I provide one, since the user doesn't exist, fails). — CristiFati
– CristiFati, Commented Apr 30, 2018 at 17:53
Ive had the issue with all users i use, every user i have has access to administrator privileges so feel free to change the user. also to answer your first question it runs perfectly no errors but no execution of the command. — bradley plater
– bradley plater, Commented Apr 30, 2018 at 18:29

Sagar Ruchandani · Accepted Answer · 2018-04-30 17:44:59Z

1

I think you should try to run such commands as admin in windows. This might help: https://social.technet.microsoft.com/Forums/windows/en-US/05cce5f6-3c3a-4bb8-8b72-8c1ce4b5eff1/how-to-run-a-program-as-adminitrator-via-the-command-line?forum=w7itproappcompat

You can also modify your command to print the output in stdout to debug easily.
print subprocess.check_output(['runas','/user:Bradley', "cmd.exe /c netsh interface set interface '*' admin=disable")

answered Apr 30, 2018 at 17:44

Sagar Ruchandani

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2 Comments

bradley plater Over a year ago

I ran that and got this error(b'Microsoft Windows [Version 10.0.16299.371]\r\n(c) 2017 Microsoft Corporation. All rights reserved.\r\n\r\nC:\\Users\\Bradley\\Desktop>') i assume this has something to do with bytes due to the 'b' at the start?

MxLDevs Over a year ago

@bradleyplater That is not an error you are printing a message.

bradley plater · Accepted Answer · 2018-05-01 18:16:33Z

0

I found the issue with the code. to start with i was using the subprocess.call function however trying to run the program with Administrator through python do it through command prompt and use this line of code instead

subprocess.run(["powershell","Disable-NetAdapter -Name '*'"])

Note* Yes i changed from cmd to powershell this is because the command was easier to use.

answered May 1, 2018 at 18:16

bradley plater

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