Python Subprocess Module

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Python Subprocess Module
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subprocess — Subprocess management — Python 3.12.6 documentation
https://docs.python.org/3/library/subprocess.html
The subprocess Module: Wrapping Programs With Python – Real Python
https://realpython.com/python-subprocess/
Python subprocess module - GeeksforGeeks
https://www.geeksforgeeks.org/python-subprocess-module/
The subprocess module in Python allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module is intended to replace several older modules and functions like os.system, os.spawn*, and os.popen.
Basic Usage
The most common way to use the subprocess module is through the subprocess.run() function. This function runs a command, waits for it to complete, and then returns a CompletedProcess instance. Here is a basic example:
import subprocess

# Run a simple command
result = subprocess.run(['ls', '-l'], capture_output=True, text=True)

# Print the output
print(result.stdout)
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In this example, the capture_output=True argument captures the standard output and error streams, and text=True ensures that the output is returned as a string rather than bytes.
Advanced Usage with Popen
For more advanced use cases, you can use the subprocess.Popen class, which offers more control over the process. This class allows you to start a process and interact with its standard input, output, and error streams.
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Python 3 Programming Tutorial - Subprocess module
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What is a subprocess module?
The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules and functions: Information about how the subprocess module can be used to replace these modules and functions can be found in the following sections.
docs.python.org
GeeksForGeeks
https://www.geeksforgeeks.org/python/python-subprocess-module
Python subprocess module - GeeksforGeeks
The subprocess module is used to run external programs or system commands from Python. It allows to execute commands, capture their output and interact with other processes.
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Subprocess module input/output examples
Run shell scripts with subprocess

Python
https://docs.python.org › library › subprocess
subprocess — Subprocess management — Python 3.14.5rc1 …
1 day ago · Learn how to use the subprocess module to spawn new processes, connect to their pipes, and obtain their return codes. See the run() function, the CompletedProcess class, and the exceptions …
- Subprocess
  We would like to show you a description here but the site won’t allow us.
- Python 3.6.15 Documentation
  We would like to show you a description here but the site won’t allow us.
- Concurrent.Futures
  The concurrent.futures module provides a high-level interface for asynchronously …
- PEP 324
  This PEP describes a new module for starting and communicating with …
- Multiprocessing
  Introduction ¶ multiprocessing is a package that supports spawning processes using …
- Subprocesses
  Both create_subprocess_exec() and create_subprocess_shell() functions …
- Sched
  The sched module defines a class which implements a general purpose event …
- Concurrent Execution
  subprocess — Subprocess management Using the subprocess Module Frequently …
- Table of Contents
  What’s New in Python- What’s new in Python 3.14- Summary – Release …
- Report a Bug
  Dealing with Bugs ¶ Python is a mature programming language which has …
About Python subprocess
How To Use subprocess to Run External Programs in Python 3
Python 3 includes the subprocess module for running external programs and reading their outputs in your Python code. You might find subprocess useful if you want to use another program on you…
DigitalOcean
Python 3: Get Standard Output and Standard Error from subprocess.run ...
Computer Science Atlas
How do I execute a program or call a system command?
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Stack Overflow
GeeksForGeeks
https://www.geeksforgeeks.org › python › python-subprocess-module
Python subprocess module - GeeksforGeeks
Apr 4, 2026 · The subprocess module is used to run external programs or system commands from Python. It allows to execute commands, capture their output and interact with other processes.
W3School
https://www.w3schools.com › python › ref_module_subprocess.asp
Python subprocess Module - W3Schools
The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain return codes. Use it to execute external commands, run shell scripts, or interact with other …
Real Python
https://realpython.com › python-subprocess
The subprocess Module: Wrapping Programs With Python
Jan 18, 2025 · By using subprocess, you can execute shell commands like ls or dir, launch applications, and handle both input and output streams. This module …
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DataCamp
https://www.datacamp.com › tutorial › python-subprocess
An Introduction to Python Subprocess: Basics and Examples
Apr 23, 2026 · Learn how to use the Python subprocess module to run external commands, redirect input and output, and handle errors. See examples of automating system tasks, running command …
Codecademy
https://www.codecademy.com › article › python...
Python Subprocess Tutorial: Master run() and Popen() …
Learn how to use Python’s `subprocess` module, including `run ()` and `Popen ()` to execute shell commands, capture output, and control processes with real-world …
oneuptime.com
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How to Use subprocess Module in Python - oneuptime.com
Jan 25, 2026 · Learn how to use Python's subprocess module to run external commands, capture output, handle pipes, and automate system tasks safely and effectively. The subprocess module lets you …
Python Geeks
https://pythongeeks.org › subprocess
Subprocess in Python
We will learn about this feature of Python using the module names ‘subprocess’. So let us start with an introduction to the subprocess in Python. What is Subprocess …
PyPI
https://pypi.org › project › subprocess.run
subprocess.run · PyPI
Nov 16, 2013 · To use pipe from the shell. You can install it from PyPi, by simply pip: to test it, launch python. The subprocess module extension to run processes.
Stack Overflow
https://stackoverflow.com › questions
python - How to use `subprocess` command with pipes
Nov 11, 2012 · To use a pipe with the subprocess module, you can pass shell=True but be aware of the Security Considerations. It is discouraged using shell=True. …

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Python Subprocess Module

subprocess — Subprocess management — Python 3.12.6 documentation

https://docs.python.org/3/library/subprocess.html

The subprocess Module: Wrapping Programs With Python – Real Python

https://realpython.com/python-subprocess/

Python subprocess module - GeeksforGeeks

https://www.geeksforgeeks.org/python-subprocess-module/

subprocess — Subprocess management — Python 3.14.5rc1 …

Subprocess

Python 3.6.15 Documentation

Concurrent.Futures

PEP 324

Multiprocessing

Subprocesses

Sched

Concurrent Execution

Table of Contents

Report a Bug

Python subprocess module - GeeksforGeeks

Python subprocess Module - W3Schools

The subprocess Module: Wrapping Programs With Python

Videos of Python subprocess Module

more videos

An Introduction to Python Subprocess: Basics and Examples

Python Subprocess Tutorial: Master run() and Popen() …

How to Use subprocess Module in Python - oneuptime.com

Subprocess in Python

subprocess.run · PyPI

python - How to use `subprocess` command with pipes

Deep dive into Python Subprocess Module

Deep dive into Python Subprocess Module

subprocess — Subprocess management — Python 3.12.6 documentation

https://docs.python.org/3/library/subprocess.html

The subprocess Module: Wrapping Programs With Python – Real Python

https://realpython.com/python-subprocess/

Python subprocess module - GeeksforGeeks

https://www.geeksforgeeks.org/python-subprocess-module/

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Deep dive into Python Subprocess Module