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Tag: subprocess
Why is junk data appearing in my Python’s subprocess stdout?
I’m writing a Python app that runs a command on an AWS remote docker container, and saves the output to a file. The command that is being run remotely is generating binary data (a database dump). The app works great if I start the download and don’t touch anything. The issue I’m having is th…
subprocess popen is returning blanck output
On trying to run the grep for the output of previous command using popen returning blank without any error output i got: Answer You don’t need to concoct a pipeline of kubectl + grep here.
subprocess.run only accepting first argument
Using Python 3.10.6 trying to pass an argument to a command line opened via subprocess.run, I’ve tried toggling shell=True/False, as well as passing the second argument with the input variable, no luck. here is the relevant code: [‘cmd’, ‘echo hello’] Microsoft Windows [Version 1…
How to run shell script on azure web app while running django app?
I want to run a shell script on the azure web hosting server while hosting the Django project my Django view contains a subprocess module code to run the shell script but I don’t know which shell is used by my server, bash or something else and I am unable to run that shell script. So How do I run
Strip positional information from subprocess std out
I am running a subprocess in python, capturing the std output: The command in question uses positional characters to update the number of packets sent, but in the resultant output, eg results.stdout, I see all of the updates. Ideally, I only want to save the final output, eg Not every one of the 194 interim l…
Subprocess.call() won’t run kill all, I’m on macOS using python
I am trying to kill an app using killall on macos, but everytime I try to do it, it doesn’t kill the app. I have the right name and all but it still won’t kill the app. My code: It returns None and doesn’t kill the program. Answer subprocess.call() uses the same function signature as the Pop…
Python : FileNotFoundError [WinError 2] The system cannot find the file specified , subprocess.py:1582
Details error message:- We have something similar issue listed here: https://bugs.python.org/issue17023 The file is there, the path is fine too. But why am I getting this error as the file is there at the specified location? I`m getting this error while running formatter linters. Answer
Is there a way to run a bat file from python and keep going with the execution of the program?
I am running a program where first I run a batch and then I want to do other things which need the script run by batch file to be active. The problem is that the instructions after the running of the batch are not executed because the execution of the batch script is not terminated. The code is something like…
How can I run an ffmpeg command in a python script?
I want to overlay a transparent video over top of an image using ffmpeg and python I am able to do this successfully through terminal, but I cannot get ffmpeg commands to work in python. The following command produces the result that I want in terminal when I am in the directory with the files there. In pytho…