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d5e50e Niklas Polke 2026-07-30 18:30:34
Document Python Virtual Environment
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# Python Virtual Environment
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## Overview
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| Action | Command |
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| - | - |
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| <a href="#install-required-packages">Install</a> | `sudo apt install python3-venv` |
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| <a href="#create">Create</a> | `python3 -m venv .venv` |
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| <a href="#activate">Activate</a> | `source .venv/bin/activate` |
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| <a href="#deactivate">Deactivate</a> | `deativate` |
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## Install Required Packages
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```bash
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sudo apt install python3-venv
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```
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- installiert das python modul venv zum erstellen von virtual environments
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## Create
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```bash
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python3 -m venv .venv
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```
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- executes python3 of PATH (? default python3 of the system)
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- executes modul venv (for virtual environment)
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- creates new directory .venv
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- initializes virtual python environment in .venv/
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- creates the following structure:
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```
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/home/<user>/<project>/
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|---.venv/
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| |--- bin/
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| |--- lib/
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| |--- ...
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|--- <myprogram.py>
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```
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## Activate
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```bash
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source .venv/bin/activate
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```
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- activates the python virtual environment within .venv/
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- all following python executions are made from within this virtual environment
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- console inserts virtual environment name at beginning:
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```bash
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(venv) <user>@raspberrypi:~/<project> $
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```
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### Alternative
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- alternatively the python virtual environment can directly be called (e.g. from scripts):
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```bash
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/home/<user>/<project>/.venv/bin/python ...
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```
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## Deactivate
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```bash
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deactivate
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```
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- deactivates the active virtual environment