Opening powershell from python

Question

I would like to open a powershell from my python script, then launch another python script in this newly created powershell.

import subprocess

subprocess.call("start C:\\Windows\\System32\\WindowsPowerShell\\v1.0", shell=True) 
# Here, I would like to write this in the new opened powershell : python ./hello_world.py (then press ENTER)

input("end")

Any idea how I can do that ? Thanks and have a good day !

I tried the subprocess.Popen + communicate but nothing was written in my new powershell

Pascal · Accepted Answer · 2022-10-27 11:50:25Z

1

Another alternative:

import subprocess
subprocess.run(["powershell", "-Command", "python hello-world.py"], capture_output=True, cwd="C:\\your\\path")

Will output:

CompletedProcess(args=['powershell', '-Command', 'python hello-world.py'], returncode=0, stdout=b'hello world\r\n', stderr=b'')

Where stdout=b'hello world\r\n' is your output.

answered Oct 27, 2022 at 11:50

Pascal

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Omer Dagry · Accepted Answer · 2022-10-27 12:28:34Z

0

you can just use os.system()

import os

os.system("start powershell python path_to_file") 
# some code

edited Oct 27, 2022 at 12:28

answered Oct 27, 2022 at 11:46

Omer Dagry

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5 Comments

cecile Over a year ago

Not really what I need for 3 reasons : 1/ I would like to open in a new window to be able to see logs for each python file I run 2/ I would like to use powershell (blue background) 3/ I would like the new powershell to be independant from parent (meaning I can close parent and still have the child powershells)

Omer Dagry Over a year ago

if you use threading or multiprocessing you can achieve this

Omer Dagry Over a year ago

try os.startfile("powershell.exe")

cecile Over a year ago

This works perfectly to open the new powershell, but then how do I write "python ./hello_world.py" in my new powershell please?

Omer Dagry Over a year ago

ok I found a way os.system("start powershell python path_to_file")

Fikra Laksana Putra · Accepted Answer · 2022-10-27 11:51:39Z

0

I think subprocess is not intended to interact with active window. but to send stream data to pipeline.

try using pyautogui to interact with Powershell window.

answered Oct 27, 2022 at 11:51

Fikra Laksana Putra

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