Questions tagged [popen]
popen() is a way to communicate with subprocesses using a file-like interface. It originated in C, but has been ported to other languages (via extensions) such as Python.
popen
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Popening a gnome-terminal in python immediately appears as a zombie
For background I am working on a script to train multiple pytorch models. I have a training script that I want to be able to run as a sub process in a gnome terminal. The main reason for this is so I ...
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Python: Submitting and tracking many subprocesses leads to "stuck" subprocesses
I have an 3rd party cli executable I need to call from my python code. These are heavy calculations (cpu) and there are around 50-100 times I need to call it. The executable itself is to some degree ...
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Access host data when running a program from docker container
I'm trying to run the following in a C program hosted in a docker container;
#include <stdio.h>
#include <stdlib.h>
int main( int argc, char *argv[] )
{
FILE *fp;
char path[1035];
...
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Cannot kill Popen process [duplicate]
I have a Python program with the following structure and necessary imports:
def startLogger(logger_dir):
command0 = 'adb logcat -c'
command1 = 'adb logcat'
command2 = 'python3 '+logger_dir+...
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Getting the result from a future in Python
I have the following code which executes a process and calls a callback function when the process is done
import os
import subprocess
import tempfile
def callback(future):
print(future....
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61
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C++: fgets issue in getting command terminal data
I am writing a C++ program for an embedded Linux application for a custom device. Very often, I run Linux terminal commands via popen and pclose. If I need to only check whether the command was ...
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printing output of subprocess.Popen in a pyQt5 Widget (realtime)
I checked every post regarding this issue and I found either very old posts (2011) or posts with solutions not working or fitting.
My "only" wish is to bring the output of Popen to a ...
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Kill open Popen handles on Flask dev server restart
I have a Flask app that I'm using to serve a webapp, whose frontend is built using esbuild.
I've managed to configure the Flask server to start the esbuild process in development mode, and to ensure ...
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Can a Python program find orphan processes that it previously created?
I'm using popen() to create potentially long-running processes in Python. If the parent program dies and then restarts, is there a way to retrieve the previously created processes that are still ...
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Does popen().readline block until all output is read?
I'm running an asynchronous long-running process with popen. If I'm interested in getting all the data written to stdout, can I just do
cmd = popen(...)
for line in cmd.stdout.readline()
... do ...
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How to serialize subprocess.popen()
This is follow-on to Return output of subprocess.popen() in webserver. I have a long running process that is kicked off by a Webserver call (running Django).
I'm using subprocess.popen() to spawn the ...
- 1,194
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Return output of subprocess.popen() in webserver
I have a Webserver in Python using Django. I want to be able to kick of a long-running asynchronous subprocess and then have the client poll with a GET or POST and receive stdout as well as other ...
- 1,194
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Finding pid for python script B execution on a terminal using popen from python script A
I have a python script "A" that uses subprocess.Popen to launch a gnome-terminal and then executes a different python script "B" in there. I am stuck with retrieving the pid for ...
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Cmd command execution with Popen Python
I want to execute command below using Popen:
call "E:/Ansys/ANSYS Inc/v222/ansys/bin/winx64/lsprepost48/lsdynamsvar.bat" && "E:/Ansys/ANSYS Inc/v222/ansys/bin/winx64/lsdyna_sp....
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FFMPEG FDKAAC and Python
Been banging my head against the wall for days on this. I'm writing a python program to take a 48kHz WAV file, convert it to 44.1kHz and encode it to HE-AAC via FDKAAC. FDK cannot convert to sample ...
