Executar comando do OS (unix) como root usando sudo no Python - run a command as root using sudo from Python

0_with_subprocess_and_password_as_function.py

import subprocess

echo = subprocess.Popen(['echo','123'],
                        stdout=subprocess.PIPE,
                        )

sudo = subprocess.Popen(['sudo','-S','iptables','-L'],
                        stdin=echo.stdout,
                        stdout=subprocess.PIPE,
                        )

end_of_pipe = sudo.stdout

print "Iptables Chains:"
print end_of_pipe.read()

avoid_os_run_with_subprocess.py

import subprocess

echo = subprocess.Popen(['echo','123'],
                        stdout=subprocess.PIPE,
                        )

sudo = subprocess.Popen(['sudo','-S','iptables','-L'],
                        stdin=echo.stdout,
                        stdout=subprocess.PIPE,
                        )

end_of_pipe = sudo.stdout

print "Iptables Chains:"
print end_of_pipe.read()

only_returned_text.py

import os

def mypass():
        mypass = '123'
        return mypass

        
def command(cmd):
        text = os.popen( "echo %s | sudo -S %s" % (mypass(),cmd) ).read()
        return text

print command('iptables -L')

run_as_sudo.py

import os

def mypass():
        mypass = '123'
        return mypass

        
def command(cmd):
        os.popen( "echo %s | sudo -S %s" % (mypass(),cmd) )
        f = open("log.txt", "r")
        text = f.read()
        f.close()
        
        return text

command('iptables -L > log.txt')

with_subprocess_version_2.py

import subprocess

def mypass():
    mypass = '123' #or get the password from anywhere
    return mypass

echo = subprocess.Popen(['echo',mypass()],
                        stdout=subprocess.PIPE,
                        )

sudo = subprocess.Popen(['sudo','-S','iptables','-L'],
                        stdin=echo.stdout,
                        stdout=subprocess.PIPE,
                        )

end_of_pipe = sudo.stdout

print "Password ok \n Iptables Chains %s" % end_of_pipe.read()

waaa, is realy easy, ths;)