QProcess Python, run a bash script

Question

I have a following bash script:

script.sh

#!/bin/bash
echo "Ann"
echo "Kasia"
source /home/user/anaconda3/etc/profile.d/conda.sh
conda activate my_environment
conda list

I want to run it using QtCore.QProcess. I tested the following configurations, unfortunately non of them printed results.

main.py

from PyQt5 import  QtCore
process = QtCore.QProcess()
process.start("/bin/bash", ["-i", "-c", "script.sh"])

from PyQt5 import  QtCore
process = QtCore.QProcess()
process.start("script.sh")

The output is 'Process finished with exit code 0'

I expect it to be something like:

Ann
Kasia
wcwidth                   0.2.5                      py_0  
webencodings              0.5.1                    py38_1  
werkzeug                  1.0.1                      py_0  
wheel                     0.35.1                     py_0  
widgetsnbextension        3.5.1                    py38_0

I want to admit that when I open terminal and type ./script.sh it works fine and prints output — grzegorzs
– grzegorzs, Commented Nov 27, 2020 at 23:42

paxdiablo · Accepted Answer · 2020-11-28 00:05:13Z

1

QProcess.start() starts a process asynchronously. That means you probably want to call waitForStarted() and/or waitForFinished() to ensure it finishes before you carry on.

answered Nov 28, 2020 at 0:05

paxdiablo

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