Difference between revisions of "Set up a Python virtual environment"
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Install dependencies within the new Python virtual environment, using <code>pip</code>, the default package manager for Unix-like systems such as Mac OS and Linux. Swap out the {packagename} for the package you want to install. | Install dependencies within the new Python virtual environment, using <code>pip</code>, the default package manager for Unix-like systems such as Mac OS and Linux. Swap out the {packagename} for the package you want to install. | ||
<syntaxhighlight lang="bash"> | |||
pip install {packagename} | pip install {packagename} | ||
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== Deactivate == | == Deactivate == | ||
Revision as of 18:38, 4 November 2021
Python virtual environments run their own site directories, allowing them to be optionally separated from system directories. This can easily avoid a potential nightmare of version conflicts - one piece of software on your system may require a certain version to run, while another make require a different one.
Create
venv is a tool that can be used to create an environment:
python3 -m venv venv
Activate
source venv/bin/activate
You will see the prompt change to something like this:
(venv)Username@Computer myfolder %
Use
Install dependencies within the new Python virtual environment, using pip, the default package manager for Unix-like systems such as Mac OS and Linux. Swap out the {packagename} for the package you want to install.
pip install {packagename}
Deactivate
To stop it, type:
deactivate
Close
Simply type
exit