Change to root user in python

Question

How can i change to root user providing my password in the script?

I have this code

import os

# change to root user

# changing to root call this function
# example
os.sytem('reboot')

PS. not only this function but iptables too, so i need to change to root with out typing the password because i want to be automated.

You should also avoid storing login credential (username, password) in your code. If you're curious why take a look at this — Jakob Sachs
– Jakob Sachs, Commented Aug 24, 2018 at 8:43
Take a look at this thread: stackoverflow.com/questions/5191878/… Use some part of the program for root user as a sub-process.i.e Use subprocess import instead of using os. — Delegate
– Delegate, Commented Aug 24, 2018 at 8:45

Peter Sutton · Accepted Answer · 2018-08-24 08:53:44Z

0

If you don't want to do anything after the call to reboot, you can use os.exec*() to replace the current Python process with sudo, which will switch to the root user. Then, have sudo execute reboot as below.

import os
import shutil


SUDO_PATH = shutil.which('sudo')

if SUDO_PATH is None:
    raise OSError('cannot find sudo executable')

os.execl(SUDO_PATH, SUDO_PATH, 'reboot')

For the cases where you wish do something after executing an external process, use subprocess.run().

edited Aug 24, 2018 at 8:53

answered Aug 24, 2018 at 8:46

Peter Sutton

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