How to run a source from python?

Question

I am trying to run activate.sh file to set environment paths for vitrual environment from python but I am not able to run source files from python. Is there any way to do that

My source is here

if sys.argv[1]=='-a':
        os.system('. activate.sh')
    elif sys.argv[1]=='-d':
        os.system('. deactivate.sh')
    else:
        print('You only have -a, -d as options')

Any reason not to run activate.sh **normally** (from *shell*)? https://stackoverflow.com/questions/54420483/activating-virtualenv-from-within-python-script/54420696#54420696 — CristiFati, Feb 08 '19 at 09:45
I am working on something in which I need to automate this from python. — tushar_ecmc, Feb 08 '19 at 11:07

score 0 · Answer 1 · answered Feb 08 '19 at 09:46

0

You can use subprocess, which will run the bash script. But be careful, only use trusted bash files. So the code should be:

import subprocess
if sys.argv[1]=='-a':
        subprocess.call("activate.sh", shell=True)
    elif sys.argv[1]=='-d':
        subprocess.call("deactivate.sh", shell=True)
    else:
        print('You only have -a, -d as options')

answered Feb 08 '19 at 09:46

Marin Gömöri

67
1
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the activate and deactivate scripts are in the same folder for which I don't want to set path manually. Also by setting the path I am getting Permission Denied – tushar_ecmc Feb 08 '19 at 10:49
This should use the same directory where the script is – Marin Gömöri Feb 08 '19 at 10:57
Permission Denied is all I am getting `/bin/sh: 1: ./activate.sh: Permission denied` – tushar_ecmc Feb 08 '19 at 11:07
set the bash file permission with chmod to 777 so anyone (including python) can read, write and execute it. – Marin Gömöri Feb 08 '19 at 11:14
Even if I make this executable the virtual environment run in the background and closes – tushar_ecmc Feb 09 '19 at 12:15

score 0 · Answer 2 · answered Feb 08 '19 at 12:13

0

This will activate the virtualenv on a new bash session.

Assuming things like platform: linux, new bash session is OK.

import os
# os.execv("/bin/bash", ["bash", "-c", "source ve/bin/activate;bash"])
os.execv("/bin/bash", ["bash", "-c", "source /path/to/activate;bash"])

answered Feb 08 '19 at 12:13

han solo

6,390
1
15
19

I have tried this but the virtual enviroment terminal runs in the background and stops – tushar_ecmc Feb 09 '19 at 12:14

How to run a source from python?

2 Answers2