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Terminating started Popen subprocess in Python

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Sure, I'd be happy to help you with that. In Python, the subprocess module provides a way to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. When working with subprocesses, it's essential to know how to terminate them gracefully. In this tutorial, I'll guide you through terminating a started Popen subprocess in Python.
First, you need to import the subprocess module:
To start a subprocess, use the subprocess.Popen class. Here's a simple example:
Replace the command variable with the actual command you want to run.
To terminate the subprocess, you can use the terminate() method of the Popen object. This sends a SIGTERM signal to the process:
Alternatively, you can use the kill() method to send a SIGKILL signal, forcefully terminating the process:
It's a good practice to handle exceptions when terminating a subprocess. The subprocess.CalledProcessError exception is raised if the process returns a non-zero exit code:
Replace the command variable with the actual command you want to run.
This tutorial provides a basic overview of how to start and terminate a subprocess using the subprocess module in Python. Depending on your use case, you may need to customize the error handling and termination logic. Always consider the specific requirements of your application when working with subprocesses.
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First, you need to import the subprocess module:
To start a subprocess, use the subprocess.Popen class. Here's a simple example:
Replace the command variable with the actual command you want to run.
To terminate the subprocess, you can use the terminate() method of the Popen object. This sends a SIGTERM signal to the process:
Alternatively, you can use the kill() method to send a SIGKILL signal, forcefully terminating the process:
It's a good practice to handle exceptions when terminating a subprocess. The subprocess.CalledProcessError exception is raised if the process returns a non-zero exit code:
Replace the command variable with the actual command you want to run.
This tutorial provides a basic overview of how to start and terminate a subprocess using the subprocess module in Python. Depending on your use case, you may need to customize the error handling and termination logic. Always consider the specific requirements of your application when working with subprocesses.
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