This document is a straightforward guide for python virtualenvironment basic commands.
Virtual Environments
Create a virtual environment
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Change directory into desired folder where venv will be placed.
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$ cd ../my_directory
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Create a virtual environment.
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python[version] -m venv <venv_name> $ python3 -m venv venv
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Activate the virtual environment created.
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$ cd venv $ source bin/activate
Delete all packages installed by pip inside the virtual environment
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Activate your virtual environment.
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$ cd ../venv $ source bin/activate
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Delete all packages.
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$ pip uninstall -y -r <(pip freeze)
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Deactivae the virtual environment.
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$ deactivate
Installing packages inside virtual environment
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Activate your virtual environment.
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$ cd ../venv $ source bin/activate
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Install desired package.
- Installing individual packages
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$ pip install my_package
- Installing requirements.txt
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$ pip install -r requirements.txt
- Installing individual packages
Determine if you are inside a virtual environment
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Activate your virtual environment.
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$ cd ../venv $ source bin/activate
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Run python.
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$ python3
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Import os and get virtual env from os.
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$ >>> import os $ >>> os.getenv('VIRTUAL_ENV')- If the terminal displays a path, you are inside a virtual env.
- If the terminal displays nothing, you are not inside a virtual env.