open terminal with sudo python [duplicate]

Question

I have to open a terminal using sudo from python. Consider my password is pass and I need to run a command within script which is sudo critical-stack-intel pull.

I have following small piece of code:

import subprocess
import shlex

command = "sudo critical-stack-intel pull"
popen = subprocess.Popen(shlex.split(command),stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
popen.communicate("pass")
popen.wait()
# print help(p)

If i run the file as python myfile.py, it asks me for password within terminal. This is not what I desire. I want the python to handle the password I gave and run normally. How do I get this done?

EDIT

Using popen.communicate(pass + "\n") along with sudo -S did what i desired.

sudo opens the tty, it does not use stdin by default. Use sudo -S instead — Andrea Corbellini
– Andrea Corbellini, Commented Dec 1, 2015 at 10:16
The accepted answer there is not the best answer, unfortunately; but the question is a duplicate, and you'll find good answers there. — tripleee
– tripleee, Commented Dec 1, 2015 at 10:48

mrks · Accepted Answer · 2015-12-01 10:16:51Z

2

You can use the -S option of sudo to pass the password via stdin. Most likely, though, it's a better idea to allow sudo access to critical-stack-intel without password using /etc/sudoers.

answered Dec 1, 2015 at 10:16

mrks

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7 Comments

Joost Over a year ago

Fixing this in /etc/sudoers seems like the right approach. Check out command aliasses

Mahadeva Over a year ago

I used -S in my command along with popen.communicate(pass) but its not ending the session.

Andrea Corbellini Over a year ago

@SarvagyaPant: IIRC communicate() does not close stdin. You need to send a newline character together with your password

Mahadeva Over a year ago

@mrks can you update the answer suggesting to use pass + "\n" in my code.

Andrea Corbellini Over a year ago

Actually I was wrong: all streams are closed by communicate()

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